[569] | 1 | /* |
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| 2 | * $Id: PaneProxy.java,v 1.35 2003/09/19 23:14:24 dwd Exp $ |
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| 3 | * |
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| 4 | * This software is provided by NOAA for full, free and open release. It is |
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| 5 | * understood by the recipient/user that NOAA assumes no liability for any |
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| 6 | * errors contained in the code. Although this software is released without |
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| 7 | * conditions or restrictions in its use, it is expected that appropriate |
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| 8 | * credit be given to its author and to the National Oceanic and Atmospheric |
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| 9 | * Administration should the software be included by the recipient as an |
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| 10 | * element in other product development. |
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| 11 | */ |
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| 12 | |
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| 13 | package gov.noaa.pmel.sgt; |
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| 14 | |
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| 15 | import gov.noaa.pmel.sgt.swing.Draggable; |
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| 16 | import gov.noaa.pmel.sgt.beans.Panel; |
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| 17 | |
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| 18 | import gov.noaa.pmel.util.Debug; |
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| 19 | |
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| 20 | import java.awt.Graphics2D; |
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| 21 | import java.awt.Stroke; |
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| 22 | |
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| 23 | import java.awt.Dimension; |
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| 24 | import java.awt.Image; |
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| 25 | import java.awt.Graphics; |
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| 26 | import java.awt.Rectangle; |
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| 27 | import java.awt.Point; |
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| 28 | import java.awt.PrintGraphics; |
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| 29 | import java.awt.Container; |
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| 30 | import java.awt.Component; |
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| 31 | import java.awt.Color; |
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| 32 | import java.awt.Cursor; |
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| 33 | |
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| 34 | import java.awt.event.MouseEvent; |
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| 35 | import java.awt.event.InputEvent; |
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| 36 | |
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| 37 | import java.util.Vector; |
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| 38 | import java.util.Properties; |
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| 39 | |
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| 40 | import java.beans.PropertyChangeListener; |
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| 41 | import java.beans.PropertyChangeSupport; |
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| 42 | |
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| 43 | /** |
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| 44 | * PaneProxy implements the functionality common to <code>JPane</code> |
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| 45 | * and <code>Pane</code>. |
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| 46 | * |
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| 47 | * @author Donald Denbo |
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| 48 | * @version $Revision: 1.35 $, $Date: 2003/09/19 23:14:24 $ |
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| 49 | */ |
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| 50 | class PaneProxy { |
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| 51 | public static String SGTVersion = "3.0"; |
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| 52 | public static boolean Java2D = false; |
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| 53 | public static StrokeDrawer strokeDrawer = null; |
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| 54 | |
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| 55 | private Container pane_; |
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| 56 | |
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| 57 | private String ident_; |
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| 58 | private Dimension panesize_; |
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| 59 | private Image offscreen_; |
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| 60 | private Dimension pagesize_; |
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| 61 | private Point pageOrigin_ = new Point(0, 0); |
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| 62 | private boolean printer_ = false; |
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| 63 | private boolean opaque_ = true; |
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| 64 | private int halign_ = AbstractPane.CENTER; |
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| 65 | private int valign_ = AbstractPane.MIDDLE; |
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| 66 | private int printMode_ = AbstractPane.SHRINK_TO_FIT; |
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| 67 | private Object selectedobject_; |
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| 68 | private Object old_selectedobject_ = null; |
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| 69 | private Rectangle selectedRect_; |
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| 70 | private Rectangle zoom_rect_ = new Rectangle(0, 0, 0, 0); |
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| 71 | private Rectangle old_zoom_rect_; |
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| 72 | private Point zoom_start_ = new Point(0, 0); |
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| 73 | private boolean in_zoom_ = false; |
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| 74 | private boolean in_select_ = false; |
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| 75 | private boolean in_move_ = false; |
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| 76 | private boolean moved_ = false; |
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| 77 | private boolean draggable_ = false; |
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| 78 | private boolean moveable_ = false; |
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| 79 | private Point move_ref_; |
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| 80 | private boolean batch_ = true; |
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| 81 | private boolean modified_ = false; |
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| 82 | private boolean ignoreModified_ = false; |
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| 83 | private boolean firstDraw_ = true; |
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| 84 | private boolean mouseEventsEnabled_ = true; |
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| 85 | |
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| 86 | private PropertyChangeSupport changes_ = null; |
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| 87 | |
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| 88 | public PaneProxy(Container pane, String id, Dimension size) { |
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| 89 | ident_ = id; |
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| 90 | panesize_ = size; |
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| 91 | pane_ = pane; |
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| 92 | changes_ = new PropertyChangeSupport(pane_); |
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| 93 | // |
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| 94 | testJava2D(); |
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| 95 | } |
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| 96 | /** |
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| 97 | * @since 3.0 |
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| 98 | */ |
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| 99 | public static String getVersion() { |
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| 100 | return SGTVersion; |
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| 101 | } |
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| 102 | |
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| 103 | private void testJava2D() { |
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| 104 | Class cl; |
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| 105 | boolean java2d = true; |
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| 106 | try { |
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| 107 | cl = Class.forName("java.awt.Graphics2D"); |
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| 108 | } catch (ClassNotFoundException e) { |
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| 109 | java2d = false; |
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| 110 | } |
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| 111 | Java2D = java2d; |
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| 112 | if(Java2D) { |
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| 113 | strokeDrawer = new StrokeDrawer2(); |
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| 114 | } else { |
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| 115 | strokeDrawer = new StrokeDrawer1(); |
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| 116 | } |
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| 117 | } |
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| 118 | |
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| 119 | public Dimension getSize() { |
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| 120 | return panesize_; |
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| 121 | } |
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| 122 | |
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| 123 | void draw() { |
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| 124 | ignoreModified_ = true; |
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| 125 | if(Debug.DEBUG) System.out.println("PaneProxy: [" + ident_ + "] " + |
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| 126 | " draw(), batch=" + batch_); |
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| 127 | printer_ = false; |
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| 128 | Graphics g = pane_.getGraphics(); |
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| 129 | // |
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| 130 | // test existance of graphics context. |
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| 131 | // |
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| 132 | if(g == null) { |
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| 133 | ignoreModified_ = false; |
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| 134 | return; |
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| 135 | } |
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| 136 | if(firstDraw_) { |
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| 137 | ((AbstractPane)pane_).init(); |
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| 138 | firstDraw_ = false; |
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| 139 | } |
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| 140 | Graphics goff; |
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| 141 | Dimension isze = pane_.getSize(); |
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| 142 | if(offscreen_ == (Image) null) { |
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| 143 | offscreen_ = pane_.createImage(isze.width, isze.height); |
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| 144 | } else { |
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| 145 | if(isze.width != panesize_.width || isze.height != panesize_.height) { |
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| 146 | offscreen_ = pane_.createImage(isze.width, isze.height); |
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| 147 | } |
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| 148 | } |
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| 149 | panesize_ = isze; |
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| 150 | goff = offscreen_.getGraphics(); |
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| 151 | // super.paint(g); |
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| 152 | Rectangle clip = pane_.getBounds(); |
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| 153 | goff.setClip(0, 0, clip.width, clip.height); |
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| 154 | |
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| 155 | drawLayers(goff); |
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| 156 | g.drawImage(offscreen_, 0, 0, pane_); |
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| 157 | drawDraggableItems(g); |
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| 158 | modified_ = false; |
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| 159 | ignoreModified_ = false; |
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| 160 | pane_.repaint(); |
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| 161 | } |
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| 162 | |
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| 163 | void draw(Graphics g) { |
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| 164 | Rectangle clip = pane_.getBounds(); |
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| 165 | draw(g, clip.width, clip.height); |
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| 166 | } |
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| 167 | |
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| 168 | void draw(Graphics g, int width, int height) { |
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| 169 | ignoreModified_ = true; |
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| 170 | if(Debug.DEBUG) System.out.println("PaneProxy: [" + ident_ + "] draw(g), batch="+batch_); |
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| 171 | if(g instanceof PrintGraphics) { |
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| 172 | printer_ = true; |
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| 173 | pagesize_ = ((PrintGraphics)g).getPrintJob().getPageDimension(); |
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| 174 | } else { |
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| 175 | printer_ = false; |
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| 176 | pagesize_ = null; |
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| 177 | } |
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| 178 | g.setClip(0, 0, width, height); |
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| 179 | drawLayers(g); |
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| 180 | drawDraggableItems(g); |
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| 181 | modified_ = false; |
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| 182 | ignoreModified_ = false; |
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| 183 | } |
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| 184 | |
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| 185 | void drawPage(Graphics g, double width, double height) { |
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| 186 | ignoreModified_ = true; |
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| 187 | if(Debug.DEBUG) System.out.println("PaneProxy: [" + ident_ + "] drawPage(g), batch="+batch_); |
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| 188 | printer_ = true; |
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| 189 | |
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| 190 | Color saved = g.getColor(); |
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| 191 | g.setColor(pane_.getBackground()); |
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| 192 | Rectangle r = pane_.getBounds(); |
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| 193 | g.fillRect(r.x, r.y, r.width, r.height); |
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| 194 | g.setColor(saved); |
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| 195 | |
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| 196 | drawLayers(g); |
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| 197 | drawDraggableItems(g); |
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| 198 | modified_ = false; |
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| 199 | ignoreModified_ = false; |
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| 200 | printer_ = false; |
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| 201 | } |
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| 202 | void setOpaque(boolean opaque) { |
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| 203 | opaque_ = opaque; |
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| 204 | } |
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| 205 | boolean isOpaque() { |
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| 206 | return opaque_; |
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| 207 | } |
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| 208 | void drawLayers(Graphics g) { |
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| 209 | if(!printer_) { |
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| 210 | if(opaque_) { |
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| 211 | Rectangle r = pane_.getBounds(); |
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| 212 | g.setColor(pane_.getBackground()); |
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| 213 | g.fillRect(0, 0, r.width, r.height); |
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| 214 | } |
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| 215 | g.setColor(pane_.getForeground()); |
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| 216 | } |
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| 217 | // System.out.println("PaneProxy.drawLayers("+getId()+"): print = " + printer_ + ", pane = " + pane_.getBounds()); |
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| 218 | // g.drawRect(2,2,r.width-5,r.height-5); |
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| 219 | // |
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| 220 | // draw Layers |
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| 221 | // |
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| 222 | Component[] comps = pane_.getComponents(); |
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| 223 | for(int i=0; i < comps.length; i++) { |
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| 224 | try { |
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| 225 | if(comps[i] instanceof Layer) { |
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| 226 | ((Layer)comps[i]).draw(g); |
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| 227 | } else if(comps[i] instanceof LayerControl) { |
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| 228 | ((LayerControl)comps[i]).draw(g); |
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| 229 | } |
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| 230 | /* if(printer_ && comps[i] instanceof Panel) { |
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| 231 | ((Panel)comps[i]).paintBorder(g); |
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| 232 | } */ |
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| 233 | } catch (PaneNotFoundException e) {} |
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| 234 | } |
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| 235 | } |
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| 236 | void drawDraggableItems(Graphics g) { |
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| 237 | if(Debug.DEBUG) System.out.println("PaneProxy: [" + ident_ + |
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| 238 | "] drawDraggableItems, batch="+batch_); |
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| 239 | // |
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| 240 | // draw draggable items in each layer |
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| 241 | // |
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| 242 | Component[] comps = pane_.getComponents(); |
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| 243 | for(int i=0; i < comps.length; i++) { |
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| 244 | try { |
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| 245 | if(comps[i] instanceof LayerControl) { |
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| 246 | ((LayerControl)comps[i]).drawDraggableItems(g); |
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| 247 | } |
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| 248 | } catch (PaneNotFoundException e) {} |
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| 249 | } |
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| 250 | } |
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| 251 | |
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| 252 | void paint(Graphics g) { |
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| 253 | if(Debug.DEBUG || Debug.DRAW_TRACE) |
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| 254 | System.out.println("PaneProxy: [" + ident_ + |
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| 255 | "] paint(g): "+g.getClipBounds()+ |
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| 256 | ", batch="+batch_+", modified="+modified_); |
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| 257 | Dimension isze = pane_.getSize(); |
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| 258 | if(isze.width != panesize_.width || isze.height != panesize_.height) offscreen_ = null; |
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| 259 | if(offscreen_ != null && !modified_) { |
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| 260 | g.drawImage(offscreen_, 0, 0, pane_); |
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| 261 | drawDraggableItems(g); |
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| 262 | } else { |
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| 263 | if(Debug.DRAW_TRACE) System.out.println("PaneProxy: [" + ident_ + |
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| 264 | "] paint: calling draw(), batch="+batch_); |
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| 265 | draw(); |
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| 266 | } |
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| 267 | modified_ = false; |
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| 268 | } |
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| 269 | |
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| 270 | String getId() { |
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| 271 | return ident_; |
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| 272 | } |
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| 273 | void setId(String id) { |
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| 274 | ident_ = id; |
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| 275 | } |
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| 276 | void setPageAlign(int vert, int horz) { |
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| 277 | valign_ = vert; |
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| 278 | halign_ = horz; |
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| 279 | } |
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| 280 | void setPageVAlign(int vert) { |
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| 281 | valign_ = vert; |
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| 282 | } |
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| 283 | void setPageHAlign(int horz) { |
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| 284 | halign_ = horz; |
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| 285 | } |
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| 286 | int getPageVAlign() { |
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| 287 | return valign_; |
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| 288 | } |
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| 289 | int getPageHAlign() { |
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| 290 | return halign_; |
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| 291 | } |
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| 292 | void setPageOrigin(Point p) { |
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| 293 | pageOrigin_ = p; |
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| 294 | } |
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| 295 | Point getPageOrigin() { |
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| 296 | return pageOrigin_; |
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| 297 | } |
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| 298 | boolean isPrinter() { |
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| 299 | return printer_; |
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| 300 | } |
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| 301 | Dimension getPageSize() { |
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| 302 | return pagesize_; |
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| 303 | } |
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| 304 | void setSize(Dimension d) { |
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| 305 | panesize_ = d; |
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| 306 | offscreen_ = null; |
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| 307 | } |
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| 308 | Layer getFirstLayer() { |
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| 309 | Component[] comps = pane_.getComponents(); |
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| 310 | for(int i=0; i < comps.length; i++) { |
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| 311 | if(comps[i] instanceof Layer) { |
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| 312 | return (Layer)comps[i]; |
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| 313 | } |
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| 314 | } |
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| 315 | return null; |
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| 316 | } |
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| 317 | Layer getLayer(String id) throws LayerNotFoundException { |
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| 318 | Component[] comps = pane_.getComponents(); |
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| 319 | for(int i=0; i < comps.length; i++) { |
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| 320 | if(comps[i] instanceof Layer) { |
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| 321 | if(((Layer)comps[i]).getId() == id) return (Layer)comps[i]; |
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| 322 | } else if(comps[i] instanceof Panel) { |
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| 323 | if(((Panel)comps[i]).hasLayer(id)) return (Layer)((Panel)comps[i]).getLayer(id); |
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| 324 | } |
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| 325 | } |
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| 326 | throw new LayerNotFoundException(); |
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| 327 | } |
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| 328 | |
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| 329 | Layer getLayerFromDataId(String id) throws LayerNotFoundException { |
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| 330 | Component[] comps = pane_.getComponents(); |
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| 331 | for(int i=0; i < comps.length; i++) { |
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| 332 | if(comps[i] instanceof Layer) { |
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| 333 | if(((Layer)comps[i]).isDataInLayer(id)) return (Layer)comps[i]; |
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| 334 | } else if(comps[i] instanceof Panel) { |
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| 335 | if(((Panel)comps[i]).isDataInPanel(id)) return (Layer)((Panel)comps[i]).getLayerFromDataId(id); |
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| 336 | } |
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| 337 | } |
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| 338 | throw new LayerNotFoundException(); |
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| 339 | } |
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| 340 | Object getSelectedObject() { |
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| 341 | return selectedobject_; |
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| 342 | } |
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| 343 | void setSelectedObject(Object obj) { |
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| 344 | old_selectedobject_ = selectedobject_; |
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| 345 | selectedobject_ = obj; |
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| 346 | } |
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| 347 | Rectangle getZoomBounds() { |
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| 348 | return zoom_rect_; |
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| 349 | } |
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| 350 | /** |
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| 351 | * @since 3.0 |
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| 352 | */ |
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| 353 | Point getZoomStart() { |
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| 354 | return zoom_start_; |
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| 355 | } |
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| 356 | |
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| 357 | Object getObjectAt(int x, int y) { |
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| 358 | Object obj = null; |
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| 359 | Component[] comps = pane_.getComponents(); |
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| 360 | if(comps.length != 0) { |
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| 361 | Layer ly; |
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| 362 | for(int i=0; i < comps.length; i++) { |
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| 363 | if(comps[i] instanceof Layer) { |
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| 364 | obj = ((Layer)comps[i]).getObjectAt(x, y, false); |
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| 365 | if(obj != null) return obj; |
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| 366 | } else if(comps[i] instanceof Panel) { |
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| 367 | obj = ((Panel)comps[i]).getObjectAt(x, y, false); |
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| 368 | if(obj != null) return obj; |
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| 369 | } |
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| 370 | } |
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| 371 | } |
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| 372 | return obj; |
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| 373 | } |
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| 374 | /** |
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| 375 | * @since 3.0 |
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| 376 | */ |
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| 377 | Object[] getObjectsAt(int x, int y) { |
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| 378 | Vector obList = new Vector(); |
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| 379 | Object obj = null; |
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| 380 | Component[] comps = pane_.getComponents(); |
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| 381 | if(comps.length != 0) { |
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| 382 | Layer ly; |
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| 383 | for(int i=0; i < comps.length; i++) { |
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| 384 | if(comps[i] instanceof Layer) { |
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| 385 | obj = ((Layer)comps[i]).getObjectAt(x, y, false); |
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| 386 | if(obj != null) obList.addElement(obj); |
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| 387 | } else if(comps[i] instanceof Panel) { |
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| 388 | obj = ((Panel)comps[i]).getObjectAt(x, y, false); |
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| 389 | if(obj != null) obList.addElement(obj); |
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| 390 | } |
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| 391 | } |
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| 392 | } |
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| 393 | return obList.toArray(); |
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| 394 | } |
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| 395 | |
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| 396 | boolean processMouseEvent(MouseEvent event) { |
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| 397 | boolean event_handled = false; |
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| 398 | if(!mouseEventsEnabled_) return event_handled; |
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| 399 | if (event.getID() == MouseEvent.MOUSE_CLICKED) { |
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| 400 | event_handled = Pane_MouseClicked(event); |
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| 401 | } else if (event.getID() == MouseEvent.MOUSE_PRESSED) { |
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| 402 | event_handled = Pane_MouseDown(event); |
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| 403 | } else if (event.getID() == MouseEvent.MOUSE_RELEASED) { |
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| 404 | event_handled = Pane_MouseUp(event); |
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| 405 | } |
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| 406 | return event_handled; |
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| 407 | } |
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| 408 | |
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| 409 | boolean processMouseMotionEvent(MouseEvent event) { |
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| 410 | boolean event_handled = false; |
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| 411 | if(!mouseEventsEnabled_) return event_handled; |
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| 412 | if (event.getID() == MouseEvent.MOUSE_DRAGGED) { |
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| 413 | event_handled = Pane_MouseDrag(event); |
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| 414 | } else if(event.getID() == MouseEvent.MOUSE_MOVED) { |
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| 415 | event_handled = Pane_MouseMoved(event); |
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| 416 | } |
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| 417 | return event_handled; |
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| 418 | } |
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| 419 | |
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| 420 | private boolean Pane_MouseClicked(MouseEvent event) { |
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| 421 | Object obj; |
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| 422 | Rectangle rect; |
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| 423 | Selectable savedobj = null; |
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| 424 | int mod = event.getModifiers(); |
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| 425 | // |
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| 426 | // button 1 must be clicked. Modifiers are now allowed! |
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| 427 | // |
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| 428 | // if(!(((mod & MouseEvent.BUTTON1_MASK) != 0) && |
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| 429 | // ((mod - MouseEvent.BUTTON1_MASK) == 0))) return false; |
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| 430 | if(!((mod & MouseEvent.BUTTON1_MASK) != 0)) return false; |
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| 431 | in_zoom_ = false; |
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| 432 | in_select_ = false; |
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| 433 | // if(in_move_ && !moved_ && selectedobject_ instanceof Selectable) { |
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| 434 | if(!moved_ && selectedobject_ instanceof Selectable) { |
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| 435 | if(Debug.DEBUG) System.out.println("MouseClicked (in_move_ && !moved_ && Selectable)"); |
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| 436 | // |
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| 437 | // second click of selected object de-select |
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| 438 | // |
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| 439 | if(((Selectable)selectedobject_).isSelected()) { |
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| 440 | if(Debug.DEBUG) System.out.println("MouseClicked (isSelected)"); |
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| 441 | savedobj = (Selectable)selectedobject_; |
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| 442 | // |
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| 443 | // remove box |
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| 444 | // |
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| 445 | Graphics g = pane_.getGraphics(); |
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| 446 | if(moveable_) { |
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| 447 | g.setColor(Color.red); |
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| 448 | } else { |
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| 449 | g.setColor(Color.blue); |
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| 450 | } |
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| 451 | g.setXORMode(pane_.getBackground()); |
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| 452 | g.drawRect(selectedRect_.x, selectedRect_.y, |
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| 453 | selectedRect_.width, selectedRect_.height); |
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| 454 | g.setPaintMode(); |
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| 455 | savedobj.setSelected(false); |
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| 456 | pane_.setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR)); |
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| 457 | return false; |
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| 458 | } |
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| 459 | } |
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| 460 | // old_selectedobject_ = selectedobject_; |
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| 461 | selectedobject_ = null; |
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| 462 | Component[] comps = pane_.getComponents(); |
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| 463 | if(comps.length != 0) { |
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| 464 | Layer ly; |
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| 465 | for(int i=0; i < comps.length; i++) { |
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| 466 | if(comps[i] instanceof Layer) { |
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| 467 | obj = ((Layer)comps[i]).getObjectAt(event.getX(), event.getY()); |
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| 468 | if(obj != null) { |
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| 469 | selectedobject_ = obj; |
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| 470 | break; |
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| 471 | } |
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| 472 | } else if(comps[i] instanceof Panel) { |
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| 473 | obj = ((Panel)comps[i]).getObjectAt(event.getX(), event.getY(), false); |
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| 474 | if(obj != null) { |
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| 475 | selectedobject_ = obj; |
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| 476 | break; |
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| 477 | } |
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| 478 | } |
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| 479 | } |
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| 480 | if(selectedobject_ instanceof Selectable) { |
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| 481 | if(Debug.DEBUG) System.out.println("MouseClicked (new Selectable)"); |
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| 482 | if(!selectedobject_.equals(savedobj) && |
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| 483 | ((Selectable)selectedobject_).isSelectable()) { |
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| 484 | if(Debug.DEBUG) System.out.println("MouseClicked (new isSelectable)"); |
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| 485 | ((Selectable)selectedobject_).setSelected(true); |
---|
| 486 | // |
---|
| 487 | // mouseclick on selectable object select object |
---|
| 488 | // |
---|
| 489 | in_select_ = true; |
---|
| 490 | if(!in_move_) { |
---|
| 491 | if(Debug.DEBUG) System.out.println("MouseClicked (new !in_move_)"); |
---|
| 492 | // |
---|
| 493 | // if in_move_ = true, already have drawn box |
---|
| 494 | // |
---|
| 495 | // |
---|
| 496 | // draw initial box |
---|
| 497 | // |
---|
| 498 | selectedRect_ = new Rectangle(((Selectable)selectedobject_).getBounds()); |
---|
| 499 | Graphics g = pane_.getGraphics(); |
---|
| 500 | if(moveable_) { |
---|
| 501 | g.setColor(Color.red); |
---|
| 502 | } else { |
---|
| 503 | g.setColor(Color.blue); |
---|
| 504 | } |
---|
| 505 | g.setXORMode(pane_.getBackground()); |
---|
| 506 | g.drawRect(selectedRect_.x, selectedRect_.y, |
---|
| 507 | selectedRect_.width, selectedRect_.height); |
---|
| 508 | g.setPaintMode(); |
---|
| 509 | } |
---|
| 510 | in_move_ = false; |
---|
| 511 | changes_.firePropertyChange("objectSelected", |
---|
| 512 | old_selectedobject_, |
---|
| 513 | selectedobject_); |
---|
| 514 | } |
---|
| 515 | } else if(selectedobject_ != null) { |
---|
| 516 | // |
---|
| 517 | // selectedobject is in a Key |
---|
| 518 | // |
---|
| 519 | changes_.firePropertyChange("objectSelected", |
---|
| 520 | old_selectedobject_, |
---|
| 521 | selectedobject_); |
---|
| 522 | } |
---|
| 523 | } |
---|
| 524 | return false; // pass event to next level |
---|
| 525 | } |
---|
| 526 | private boolean Pane_MouseMoved(MouseEvent event) { |
---|
| 527 | if(in_select_) { |
---|
| 528 | if(selectedRect_.contains(event.getX(), event.getY())) { |
---|
| 529 | pane_.setCursor(Cursor.getPredefinedCursor(Cursor.MOVE_CURSOR)); |
---|
| 530 | } else { |
---|
| 531 | pane_.setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR)); |
---|
| 532 | } |
---|
| 533 | return true; |
---|
| 534 | } else { |
---|
| 535 | pane_.setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR)); |
---|
| 536 | } |
---|
| 537 | return false; |
---|
| 538 | } |
---|
| 539 | private boolean Pane_MouseDown(MouseEvent event) { |
---|
| 540 | Object obj; |
---|
| 541 | Selectable savedobj = null; |
---|
| 542 | // |
---|
| 543 | // continue only if button1 is pressed |
---|
| 544 | // |
---|
| 545 | if((event.getModifiers() & InputEvent.BUTTON1_MASK) == 0) return false; |
---|
| 546 | // |
---|
| 547 | // reset logicals |
---|
| 548 | // |
---|
| 549 | |
---|
| 550 | old_zoom_rect_ = new Rectangle(zoom_rect_); |
---|
| 551 | |
---|
| 552 | zoom_rect_.x = 0; |
---|
| 553 | zoom_rect_.y = 0; |
---|
| 554 | zoom_rect_.width = 0; |
---|
| 555 | zoom_rect_.height = 0; |
---|
| 556 | |
---|
| 557 | if(event.isShiftDown()) { |
---|
| 558 | // |
---|
| 559 | // shift mousedown start zoom |
---|
| 560 | // |
---|
| 561 | in_zoom_ = true; |
---|
| 562 | zoom_start_.x = event.getX(); |
---|
| 563 | zoom_start_.y = event.getY(); |
---|
| 564 | zoom_rect_.x = event.getX(); |
---|
| 565 | zoom_rect_.y = event.getY(); |
---|
| 566 | zoom_rect_.width = 1; |
---|
| 567 | zoom_rect_.height = 1; |
---|
| 568 | Graphics g = pane_.getGraphics(); |
---|
| 569 | g.setColor(pane_.getForeground()); |
---|
| 570 | g.setXORMode(pane_.getBackground()); |
---|
| 571 | g.drawRect(zoom_rect_.x, zoom_rect_.y, |
---|
| 572 | zoom_rect_.width, zoom_rect_.height); |
---|
| 573 | g.setPaintMode(); |
---|
| 574 | return true; // handled event here! |
---|
| 575 | } else if(event.isControlDown()) { |
---|
| 576 | // |
---|
| 577 | // control mousedown ends zoom |
---|
| 578 | // |
---|
| 579 | return false; // pass event to next level |
---|
| 580 | } else if(in_select_ && moveable_ && |
---|
| 581 | selectedRect_.contains(event.getX(), event.getY())) { |
---|
| 582 | if(Debug.DEBUG) System.out.println("MouseDown (in_select_ && in Rect)"); |
---|
| 583 | // |
---|
| 584 | // object selected start move operation |
---|
| 585 | // |
---|
| 586 | in_move_ = true; |
---|
| 587 | moved_ = false; |
---|
| 588 | move_ref_ = new Point(event.getX(), event.getY()); |
---|
| 589 | return true; |
---|
| 590 | } else if(in_select_ && !moveable_ && |
---|
| 591 | selectedRect_.contains(event.getX(), event.getY())) { |
---|
| 592 | in_move_ = false; |
---|
| 593 | moved_ = false; |
---|
| 594 | return true; |
---|
| 595 | } else { |
---|
| 596 | // |
---|
| 597 | // object not selected begin move operation |
---|
| 598 | // |
---|
| 599 | if(selectedobject_ instanceof Selectable) |
---|
| 600 | savedobj = (Selectable)selectedobject_; |
---|
| 601 | else |
---|
| 602 | savedobj = null; |
---|
| 603 | selectedobject_ = null; |
---|
| 604 | Component[] comps = pane_.getComponents(); |
---|
| 605 | if(comps.length != 0) { |
---|
| 606 | Layer ly; |
---|
| 607 | for(int i=0; i < comps.length; i++) { |
---|
| 608 | if(comps[i] instanceof Layer) { |
---|
| 609 | obj = ((Layer)comps[i]).getObjectAt(event.getX(), event.getY()); |
---|
| 610 | if(obj != null) { |
---|
| 611 | selectedobject_ = obj; |
---|
| 612 | break; |
---|
| 613 | } |
---|
| 614 | } else if(comps[i] instanceof Panel) { |
---|
| 615 | obj = ((Panel)comps[i]).getObjectAt(event.getX(), event.getY(), false); |
---|
| 616 | if(obj != null) { |
---|
| 617 | selectedobject_ = obj; |
---|
| 618 | break; |
---|
| 619 | } |
---|
| 620 | } |
---|
| 621 | } |
---|
| 622 | if(selectedobject_ instanceof Selectable) { |
---|
| 623 | if(Debug.DEBUG) System.out.println("MouseDown (Selectable)"); |
---|
| 624 | // |
---|
| 625 | // found selectable object begin single operation move |
---|
| 626 | // |
---|
| 627 | if(((Selectable)selectedobject_).isSelectable()) { |
---|
| 628 | if(Debug.DEBUG) System.out.println("MouseDown (isSelectable)"); |
---|
| 629 | draggable_ = selectedobject_ instanceof Draggable; |
---|
| 630 | if(selectedobject_ instanceof Moveable) { |
---|
| 631 | moveable_ = ((Moveable)selectedobject_).isMoveable(); |
---|
| 632 | } else { |
---|
| 633 | moveable_ = false; |
---|
| 634 | } |
---|
| 635 | if(moveable_ || draggable_) { |
---|
| 636 | in_move_ = true; |
---|
| 637 | } else { |
---|
| 638 | in_move_ = false; |
---|
| 639 | } |
---|
| 640 | moved_ = false; |
---|
| 641 | if(Debug.DEBUG) System.out.println("MouseDown (isDraggable) " + draggable_); |
---|
| 642 | ((Selectable)selectedobject_).setSelected(false); |
---|
| 643 | selectedRect_ = new Rectangle(((Selectable)selectedobject_).getBounds()); |
---|
| 644 | if(!draggable_ && moveable_) { |
---|
| 645 | // |
---|
| 646 | // draw initial box |
---|
| 647 | // |
---|
| 648 | Graphics g = pane_.getGraphics(); |
---|
| 649 | g.setColor(Color.red); |
---|
| 650 | g.setXORMode(pane_.getBackground()); |
---|
| 651 | g.drawRect(selectedRect_.x, selectedRect_.y, |
---|
| 652 | selectedRect_.width, selectedRect_.height); |
---|
| 653 | g.setPaintMode(); |
---|
| 654 | } |
---|
| 655 | if(!draggable_) pane_.setCursor(Cursor.getPredefinedCursor(Cursor.MOVE_CURSOR)); |
---|
| 656 | move_ref_ = new Point(event.getX(), event.getY()); |
---|
| 657 | return true; |
---|
| 658 | } |
---|
| 659 | } |
---|
| 660 | } |
---|
| 661 | // |
---|
| 662 | // mousedown start zoom if object not found |
---|
| 663 | // |
---|
| 664 | in_zoom_ = true; |
---|
| 665 | zoom_start_.x = event.getX(); |
---|
| 666 | zoom_start_.y = event.getY(); |
---|
| 667 | zoom_rect_.x = event.getX(); |
---|
| 668 | zoom_rect_.y = event.getY(); |
---|
| 669 | zoom_rect_.width = 1; |
---|
| 670 | zoom_rect_.height = 1; |
---|
| 671 | Graphics g = pane_.getGraphics(); |
---|
| 672 | g.setColor(pane_.getForeground()); |
---|
| 673 | g.setXORMode(pane_.getBackground()); |
---|
| 674 | g.drawRect(zoom_rect_.x, zoom_rect_.y, |
---|
| 675 | zoom_rect_.width, zoom_rect_.height); |
---|
| 676 | g.setPaintMode(); |
---|
| 677 | return true; // handled event here! |
---|
| 678 | } |
---|
| 679 | // return false; |
---|
| 680 | } |
---|
| 681 | private boolean Pane_MouseDrag(MouseEvent event) { |
---|
| 682 | boolean handled = false; |
---|
| 683 | // |
---|
| 684 | // continue only if button1 is pressed |
---|
| 685 | // |
---|
| 686 | // if((event.getModifiers() & InputEvent.BUTTON1_MASK) == 0) return handled; |
---|
| 687 | |
---|
| 688 | if(in_zoom_) { |
---|
| 689 | handled = true; |
---|
| 690 | Graphics g = pane_.getGraphics(); |
---|
| 691 | g.setColor(pane_.getForeground()); |
---|
| 692 | g.setXORMode(pane_.getBackground()); |
---|
| 693 | g.drawRect(zoom_rect_.x, zoom_rect_.y, |
---|
| 694 | zoom_rect_.width, zoom_rect_.height); |
---|
| 695 | zoom_rect_.width = event.getX() - zoom_start_.x; |
---|
| 696 | if(zoom_rect_.width < 0) { |
---|
| 697 | zoom_rect_.x = event.getX(); |
---|
| 698 | zoom_rect_.width = Math.abs(zoom_rect_.width); |
---|
| 699 | } else { |
---|
| 700 | zoom_rect_.x = zoom_start_.x; |
---|
| 701 | } |
---|
| 702 | zoom_rect_.height = event.getY() - zoom_start_.y; |
---|
| 703 | if(zoom_rect_.height < 0) { |
---|
| 704 | zoom_rect_.y = event.getY(); |
---|
| 705 | zoom_rect_.height = Math.abs(zoom_rect_.height); |
---|
| 706 | } else { |
---|
| 707 | zoom_rect_.y = zoom_start_.y; |
---|
| 708 | } |
---|
| 709 | g.drawRect(zoom_rect_.x, zoom_rect_.y, |
---|
| 710 | zoom_rect_.width, zoom_rect_.height); |
---|
| 711 | g.setPaintMode(); |
---|
| 712 | } else if(in_move_) { |
---|
| 713 | handled = true; |
---|
| 714 | moved_ = true; |
---|
| 715 | Graphics g = pane_.getGraphics(); |
---|
| 716 | if(!draggable_ && moveable_) { |
---|
| 717 | g.setColor(Color.red); |
---|
| 718 | g.setXORMode(pane_.getBackground()); |
---|
| 719 | g.drawRect(selectedRect_.x, selectedRect_.y, |
---|
| 720 | selectedRect_.width, selectedRect_.height); |
---|
| 721 | } else if(draggable_){ |
---|
| 722 | ((LayerChild)selectedobject_).setVisible(false); |
---|
| 723 | Rectangle rect = ((LayerChild)selectedobject_).getBounds(); |
---|
| 724 | pane_.repaint(rect.x - 1, rect.y - 1, |
---|
| 725 | rect.width + 2, rect.height + 2); |
---|
| 726 | } |
---|
| 727 | selectedRect_.x += event.getX() - move_ref_.x; |
---|
| 728 | selectedRect_.y += event.getY() - move_ref_.y; |
---|
| 729 | if(!draggable_ && moveable_) { |
---|
| 730 | g.drawRect(selectedRect_.x, selectedRect_.y, |
---|
| 731 | selectedRect_.width, selectedRect_.height); |
---|
| 732 | g.setPaintMode(); |
---|
| 733 | } else if(draggable_) { |
---|
| 734 | try { |
---|
| 735 | ((LayerChild)selectedobject_).setVisible(true); |
---|
| 736 | ((Draggable)selectedobject_).setLocation(new |
---|
| 737 | Point(selectedRect_.x, selectedRect_.y), false); |
---|
| 738 | // ((Draggable)selectedobject_).setLocationNoVeto(selectedRect_.x, |
---|
| 739 | // selectedRect_.y); |
---|
| 740 | ((LayerChild)selectedobject_).draw(g); |
---|
| 741 | } catch (LayerNotFoundException e) {} |
---|
| 742 | } |
---|
| 743 | move_ref_ = new Point(event.getX(), event.getY()); |
---|
| 744 | } |
---|
| 745 | return handled; |
---|
| 746 | } |
---|
| 747 | private boolean Pane_MouseUp(MouseEvent event) { |
---|
| 748 | // |
---|
| 749 | // continue only if button1 is pressed |
---|
| 750 | // |
---|
| 751 | if((event.getModifiers() & InputEvent.BUTTON1_MASK) == 0) return false; |
---|
| 752 | |
---|
| 753 | if(in_zoom_) { |
---|
| 754 | // |
---|
| 755 | // finish zoom |
---|
| 756 | // |
---|
| 757 | in_zoom_ = false; |
---|
| 758 | Graphics g = pane_.getGraphics(); |
---|
| 759 | g.setColor(pane_.getForeground()); |
---|
| 760 | g.setXORMode(pane_.getBackground()); |
---|
| 761 | g.drawRect(zoom_rect_.x, zoom_rect_.y, |
---|
| 762 | zoom_rect_.width, zoom_rect_.height); |
---|
| 763 | changes_.firePropertyChange("zoomRectangle", old_zoom_rect_, zoom_rect_); |
---|
| 764 | // if(!event.isShiftDown()) return true; // abort zoom! |
---|
| 765 | return false; // pass event to next level |
---|
| 766 | } else if(in_move_ && moved_) { |
---|
| 767 | if(Debug.DEBUG) System.out.println("MouseUp (in_move_ && moved_)"); |
---|
| 768 | // |
---|
| 769 | // finish move |
---|
| 770 | // |
---|
| 771 | Graphics g = pane_.getGraphics(); |
---|
| 772 | if(!draggable_ && moveable_) { |
---|
| 773 | g.setColor(Color.red); |
---|
| 774 | g.setXORMode(pane_.getBackground()); |
---|
| 775 | g.drawRect(selectedRect_.x, selectedRect_.y, |
---|
| 776 | selectedRect_.width, selectedRect_.height); |
---|
| 777 | g.setPaintMode(); |
---|
| 778 | } |
---|
| 779 | // redraw, but should this only be if actually moved? |
---|
| 780 | if(Debug.DRAW_TRACE)System.out.println("PaneProxy: Pane_MouseUp: calling draw(), batch="+batch_); |
---|
| 781 | Point loc = new Point(selectedRect_.x, selectedRect_.y); |
---|
| 782 | if(draggable_) { |
---|
| 783 | ((Draggable)selectedobject_).setLocation(loc); |
---|
| 784 | paint(g); |
---|
| 785 | } else if(moveable_){ |
---|
| 786 | ((Moveable)selectedobject_).setLocation(loc); |
---|
| 787 | //draw(); |
---|
| 788 | modified_ = true; |
---|
| 789 | pane_.repaint(); |
---|
| 790 | } |
---|
| 791 | in_move_ = false; |
---|
| 792 | in_select_ = false; |
---|
| 793 | moved_ = false; |
---|
| 794 | draggable_ = false; |
---|
| 795 | moveable_ = false; |
---|
| 796 | ((Selectable)selectedobject_).setSelected(false); |
---|
| 797 | pane_.setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR)); |
---|
| 798 | return true; |
---|
| 799 | } |
---|
| 800 | return false; |
---|
| 801 | } |
---|
| 802 | Dimension getMaximumSize() { |
---|
| 803 | return new Dimension(Integer.MAX_VALUE, Integer.MAX_VALUE); |
---|
| 804 | } |
---|
| 805 | /** |
---|
| 806 | * Returns the minimum size of this <code>Pane</code>. |
---|
| 807 | * |
---|
| 808 | * @return minimum size |
---|
| 809 | */ |
---|
| 810 | Dimension getMinimumSize() { |
---|
| 811 | return new Dimension(panesize_.width, panesize_.height); |
---|
| 812 | } |
---|
| 813 | /** |
---|
| 814 | * Returns the preferred size of this <code>Pane</code>. |
---|
| 815 | * |
---|
| 816 | * @return preferred size |
---|
| 817 | */ |
---|
| 818 | Dimension getPreferredSize() { |
---|
| 819 | return new Dimension(panesize_.width, panesize_.height); |
---|
| 820 | } |
---|
| 821 | /** |
---|
| 822 | * Get a <code>String</code> representatinof the |
---|
| 823 | * <code>Pane</code>. |
---|
| 824 | * |
---|
| 825 | * @return <code>String</code> representation |
---|
| 826 | */ |
---|
| 827 | public String toString() { |
---|
| 828 | String name = pane_.getClass().getName(); |
---|
| 829 | return name.substring(name.lastIndexOf(".")+1) + ": " + ident_; |
---|
| 830 | } |
---|
| 831 | void setBatch(boolean batch, String msg) { |
---|
| 832 | batch_ = batch; |
---|
| 833 | if(Debug.EVENT) System.out.println("PaneProxy: [" + ident_ + |
---|
| 834 | "] setBatch("+batch_+"): "+msg); |
---|
| 835 | if(!batch_ && modified_) { |
---|
| 836 | /* |
---|
| 837 | * batching turned off and environment has been modified |
---|
| 838 | * re-draw pane() |
---|
| 839 | */ |
---|
| 840 | if(Debug.EVENT) |
---|
| 841 | System.out.println("PaneProxy: [" + ident_ + |
---|
| 842 | "] modified=true, draw(): batch off"); |
---|
| 843 | //draw(); |
---|
| 844 | if(Debug.DRAW_TRACE)System.out.println("PaneProxy: [" + ident_ + |
---|
| 845 | "] setBatch: calling repaint(), batch="+batch_ |
---|
| 846 | +", modified="+modified_); |
---|
| 847 | pane_.repaint(); |
---|
| 848 | // modified_ = false; |
---|
| 849 | } |
---|
| 850 | } |
---|
| 851 | boolean isBatch() { |
---|
| 852 | return batch_; |
---|
| 853 | } |
---|
| 854 | void setIgnoreModified(boolean ig) { |
---|
| 855 | ignoreModified_ = ig; |
---|
| 856 | } |
---|
| 857 | void clearModified() { |
---|
| 858 | modified_ = false; |
---|
| 859 | } |
---|
| 860 | void setModified(boolean mod, String mess) { |
---|
| 861 | if(ignoreModified_) return; |
---|
| 862 | modified_ = mod; |
---|
| 863 | if(Debug.EVENT && batch_) { |
---|
| 864 | System.out.println("PaneProxy: [" + ident_ + |
---|
| 865 | "] setModified("+modified_+"), Batch on: " + mess); |
---|
| 866 | } |
---|
| 867 | if(modified_ && !batch_) { |
---|
| 868 | if(Debug.EVENT) |
---|
| 869 | System.out.println("PaneProxy: [" + ident_ + |
---|
| 870 | "] setModified("+modified_+"), Batch off: " + mess); |
---|
| 871 | //draw(); |
---|
| 872 | if(Debug.DRAW_TRACE)System.out.println("PaneProxy.setModified: calling repaint(), batch="+batch_ |
---|
| 873 | + ", modified="+modified_); |
---|
| 874 | pane_.repaint(); |
---|
| 875 | } |
---|
| 876 | } |
---|
| 877 | boolean isModified() { |
---|
| 878 | return modified_; |
---|
| 879 | } |
---|
| 880 | /** |
---|
| 881 | * @since 3.0 |
---|
| 882 | */ |
---|
| 883 | void setMouseEventsEnabled(boolean enable) { |
---|
| 884 | mouseEventsEnabled_ = enable; |
---|
| 885 | } |
---|
| 886 | /** |
---|
| 887 | * @since 3.0 |
---|
| 888 | */ |
---|
| 889 | boolean isMouseEventsEnabled() { |
---|
| 890 | return mouseEventsEnabled_; |
---|
| 891 | } |
---|
| 892 | /** |
---|
| 893 | * @since 3.0 |
---|
| 894 | */ |
---|
| 895 | void setPageScaleMode(int mode) { |
---|
| 896 | printMode_ = mode; |
---|
| 897 | } |
---|
| 898 | /** |
---|
| 899 | * @since 3.0 |
---|
| 900 | */ |
---|
| 901 | int getPageScaleMode() { |
---|
| 902 | return printMode_; |
---|
| 903 | } |
---|
| 904 | /* |
---|
| 905 | * Pane PropertyChange methods |
---|
| 906 | */ |
---|
| 907 | public void addPropertyChangeListener(PropertyChangeListener l) { |
---|
| 908 | changes_.addPropertyChangeListener(l); |
---|
| 909 | } |
---|
| 910 | public void removePropertyChangeListener(PropertyChangeListener l) { |
---|
| 911 | changes_.removePropertyChangeListener(l); |
---|
| 912 | } |
---|
| 913 | } |
---|