1 | /* Copyright (c) 2006-2012 by OpenLayers Contributors (see authors.txt for |
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2 | * full list of contributors). Published under the 2-clause BSD license. |
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3 | * See license.txt in the OpenLayers distribution or repository for the |
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4 | * full text of the license. */ |
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5 | |
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6 | |
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7 | /** |
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8 | * @requires OpenLayers/Marker.js |
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9 | */ |
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10 | |
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11 | /** |
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12 | * Class: OpenLayers.Marker.Box |
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13 | * |
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14 | * Inherits from: |
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15 | * - <OpenLayers.Marker> |
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16 | */ |
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17 | OpenLayers.Marker.Box = OpenLayers.Class(OpenLayers.Marker, { |
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18 | |
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19 | /** |
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20 | * Property: bounds |
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21 | * {<OpenLayers.Bounds>} |
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22 | */ |
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23 | bounds: null, |
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24 | |
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25 | /** |
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26 | * Property: div |
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27 | * {DOMElement} |
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28 | */ |
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29 | div: null, |
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30 | |
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31 | /** |
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32 | * Constructor: OpenLayers.Marker.Box |
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33 | * |
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34 | * Parameters: |
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35 | * bounds - {<OpenLayers.Bounds>} |
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36 | * borderColor - {String} |
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37 | * borderWidth - {int} |
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38 | */ |
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39 | initialize: function(bounds, borderColor, borderWidth) { |
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40 | this.bounds = bounds; |
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41 | this.div = OpenLayers.Util.createDiv(); |
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42 | this.div.style.overflow = 'hidden'; |
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43 | this.events = new OpenLayers.Events(this, this.div); |
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44 | this.setBorder(borderColor, borderWidth); |
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45 | }, |
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46 | |
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47 | /** |
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48 | * Method: destroy |
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49 | */ |
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50 | destroy: function() { |
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51 | |
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52 | this.bounds = null; |
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53 | this.div = null; |
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54 | |
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55 | OpenLayers.Marker.prototype.destroy.apply(this, arguments); |
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56 | }, |
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57 | |
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58 | /** |
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59 | * Method: setBorder |
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60 | * Allow the user to change the box's color and border width |
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61 | * |
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62 | * Parameters: |
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63 | * color - {String} Default is "red" |
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64 | * width - {int} Default is 2 |
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65 | */ |
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66 | setBorder: function (color, width) { |
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67 | if (!color) { |
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68 | color = "red"; |
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69 | } |
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70 | if (!width) { |
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71 | width = 2; |
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72 | } |
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73 | this.div.style.border = width + "px solid " + color; |
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74 | }, |
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75 | |
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76 | /** |
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77 | * Method: draw |
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78 | * |
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79 | * Parameters: |
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80 | * px - {<OpenLayers.Pixel>} |
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81 | * sz - {<OpenLayers.Size>} |
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82 | * |
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83 | * Returns: |
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84 | * {DOMElement} A new DOM Image with this markerŽs icon set at the |
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85 | * location passed-in |
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86 | */ |
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87 | draw: function(px, sz) { |
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88 | OpenLayers.Util.modifyDOMElement(this.div, null, px, sz); |
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89 | return this.div; |
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90 | }, |
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91 | |
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92 | /** |
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93 | * Method: onScreen |
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94 | * |
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95 | * Rreturn: |
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96 | * {Boolean} Whether or not the marker is currently visible on screen. |
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97 | */ |
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98 | onScreen:function() { |
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99 | var onScreen = false; |
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100 | if (this.map) { |
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101 | var screenBounds = this.map.getExtent(); |
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102 | onScreen = screenBounds.containsBounds(this.bounds, true, true); |
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103 | } |
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104 | return onScreen; |
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105 | }, |
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106 | |
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107 | /** |
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108 | * Method: display |
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109 | * Hide or show the icon |
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110 | * |
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111 | * Parameters: |
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112 | * display - {Boolean} |
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113 | */ |
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114 | display: function(display) { |
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115 | this.div.style.display = (display) ? "" : "none"; |
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116 | }, |
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117 | |
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118 | CLASS_NAME: "OpenLayers.Marker.Box" |
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119 | }); |
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120 | |
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