[76] | 1 | /* Copyright (c) 2006-2010 by OpenLayers Contributors (see authors.txt for |
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| 2 | * full list of contributors). Published under the Clear BSD license. |
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| 3 | * See http://svn.openlayers.org/trunk/openlayers/license.txt 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/Control.js |
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| 9 | * @requires OpenLayers/Control/MouseDefaults.js |
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| 10 | */ |
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| 11 | |
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| 12 | /** |
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| 13 | * Class: OpenLayers.Control.MouseToolbar |
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| 14 | * This class is DEPRECATED in 2.4 and will be removed by 3.0. |
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| 15 | * If you need this functionality, use <OpenLayers.Control.NavToolbar> |
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| 16 | * instead!!! |
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| 17 | */ |
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| 18 | OpenLayers.Control.MouseToolbar = OpenLayers.Class( |
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| 19 | OpenLayers.Control.MouseDefaults, { |
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| 20 | |
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| 21 | /** |
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| 22 | * Property: mode |
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| 23 | */ |
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| 24 | mode: null, |
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| 25 | /** |
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| 26 | * Property: buttons |
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| 27 | */ |
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| 28 | buttons: null, |
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| 29 | |
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| 30 | /** |
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| 31 | * APIProperty: direction |
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| 32 | * {String} 'vertical' or 'horizontal' |
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| 33 | */ |
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| 34 | direction: "vertical", |
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| 35 | |
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| 36 | /** |
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| 37 | * Property: buttonClicked |
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| 38 | * {String} |
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| 39 | */ |
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| 40 | buttonClicked: null, |
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| 41 | |
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| 42 | /** |
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| 43 | * Constructor: OpenLayers.Control.MouseToolbar |
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| 44 | * |
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| 45 | * Parameters: |
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| 46 | * position - {<OpenLayers.Pixel>} |
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| 47 | * direction - {String} |
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| 48 | */ |
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| 49 | initialize: function(position, direction) { |
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| 50 | OpenLayers.Control.prototype.initialize.apply(this, arguments); |
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| 51 | this.position = new OpenLayers.Pixel(OpenLayers.Control.MouseToolbar.X, |
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| 52 | OpenLayers.Control.MouseToolbar.Y); |
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| 53 | if (position) { |
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| 54 | this.position = position; |
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| 55 | } |
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| 56 | if (direction) { |
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| 57 | this.direction = direction; |
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| 58 | } |
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| 59 | this.measureDivs = []; |
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| 60 | }, |
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| 61 | |
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| 62 | /** |
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| 63 | * APIMethod: destroy |
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| 64 | */ |
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| 65 | destroy: function() { |
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| 66 | for( var btnId in this.buttons) { |
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| 67 | var btn = this.buttons[btnId]; |
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| 68 | btn.map = null; |
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| 69 | btn.events.destroy(); |
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| 70 | } |
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| 71 | OpenLayers.Control.MouseDefaults.prototype.destroy.apply(this, |
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| 72 | arguments); |
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| 73 | }, |
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| 74 | |
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| 75 | /** |
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| 76 | * Method: draw |
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| 77 | */ |
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| 78 | draw: function() { |
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| 79 | OpenLayers.Control.prototype.draw.apply(this, arguments); |
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| 80 | OpenLayers.Control.MouseDefaults.prototype.draw.apply(this, arguments); |
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| 81 | this.buttons = {}; |
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| 82 | var sz = new OpenLayers.Size(28,28); |
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| 83 | var centered = new OpenLayers.Pixel(OpenLayers.Control.MouseToolbar.X,0); |
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| 84 | this._addButton("zoombox", "drag-rectangle-off.png", "drag-rectangle-on.png", centered, sz, "Shift->Drag to zoom to area"); |
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| 85 | centered = centered.add((this.direction == "vertical" ? 0 : sz.w), (this.direction == "vertical" ? sz.h : 0)); |
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| 86 | this._addButton("pan", "panning-hand-off.png", "panning-hand-on.png", centered, sz, "Drag the map to pan."); |
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| 87 | centered = centered.add((this.direction == "vertical" ? 0 : sz.w), (this.direction == "vertical" ? sz.h : 0)); |
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| 88 | this.switchModeTo("pan"); |
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| 89 | |
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| 90 | return this.div; |
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| 91 | }, |
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| 92 | |
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| 93 | /** |
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| 94 | * Method: _addButton |
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| 95 | */ |
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| 96 | _addButton:function(id, img, activeImg, xy, sz, title) { |
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| 97 | var imgLocation = OpenLayers.Util.getImagesLocation() + img; |
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| 98 | var activeImgLocation = OpenLayers.Util.getImagesLocation() + activeImg; |
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| 99 | // var btn = new ol.AlphaImage("_"+id, imgLocation, xy, sz); |
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| 100 | var btn = OpenLayers.Util.createAlphaImageDiv( |
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| 101 | "OpenLayers_Control_MouseToolbar_" + id, |
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| 102 | xy, sz, imgLocation, "absolute"); |
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| 103 | |
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| 104 | //we want to add the outer div |
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| 105 | this.div.appendChild(btn); |
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| 106 | btn.imgLocation = imgLocation; |
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| 107 | btn.activeImgLocation = activeImgLocation; |
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| 108 | |
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| 109 | btn.events = new OpenLayers.Events(this, btn, null, true); |
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| 110 | btn.events.on({ |
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| 111 | "mousedown": this.buttonDown, |
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| 112 | "mouseup": this.buttonUp, |
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| 113 | "dblclick": OpenLayers.Event.stop, |
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| 114 | scope: this |
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| 115 | }); |
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| 116 | btn.action = id; |
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| 117 | btn.title = title; |
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| 118 | btn.alt = title; |
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| 119 | btn.map = this.map; |
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| 120 | |
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| 121 | //we want to remember/reference the outer div |
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| 122 | this.buttons[id] = btn; |
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| 123 | return btn; |
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| 124 | }, |
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| 125 | |
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| 126 | /** |
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| 127 | * Method: buttonDown |
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| 128 | * |
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| 129 | * Parameters: |
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| 130 | * evt - {Event} |
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| 131 | */ |
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| 132 | buttonDown: function(evt) { |
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| 133 | if (!OpenLayers.Event.isLeftClick(evt)) { |
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| 134 | return; |
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| 135 | } |
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| 136 | this.buttonClicked = evt.element.action; |
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| 137 | OpenLayers.Event.stop(evt); |
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| 138 | }, |
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| 139 | |
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| 140 | /** |
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| 141 | * Method: buttonUp |
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| 142 | * |
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| 143 | * Parameters: |
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| 144 | * evt - {Event} |
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| 145 | */ |
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| 146 | buttonUp: function(evt) { |
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| 147 | if (!OpenLayers.Event.isLeftClick(evt)) { |
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| 148 | return; |
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| 149 | } |
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| 150 | if (this.buttonClicked != null) { |
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| 151 | if (this.buttonClicked == evt.element.action) { |
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| 152 | this.switchModeTo(evt.element.action); |
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| 153 | } |
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| 154 | OpenLayers.Event.stop(evt); |
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| 155 | this.buttonClicked = null; |
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| 156 | } |
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| 157 | }, |
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| 158 | |
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| 159 | /** |
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| 160 | * Method: defaultDblClick |
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| 161 | * |
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| 162 | * Parameters: |
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| 163 | * evt - {Event} |
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| 164 | */ |
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| 165 | defaultDblClick: function (evt) { |
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| 166 | this.switchModeTo("pan"); |
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| 167 | this.performedDrag = false; |
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| 168 | var newCenter = this.map.getLonLatFromViewPortPx( evt.xy ); |
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| 169 | this.map.setCenter(newCenter, this.map.zoom + 1); |
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| 170 | OpenLayers.Event.stop(evt); |
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| 171 | return false; |
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| 172 | }, |
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| 173 | |
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| 174 | /** |
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| 175 | * Method: defaultMouseDown |
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| 176 | * |
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| 177 | * Parameters: |
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| 178 | * evt - {Event} |
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| 179 | */ |
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| 180 | defaultMouseDown: function (evt) { |
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| 181 | if (!OpenLayers.Event.isLeftClick(evt)) { |
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| 182 | return; |
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| 183 | } |
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| 184 | this.mouseDragStart = evt.xy.clone(); |
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| 185 | this.performedDrag = false; |
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| 186 | this.startViaKeyboard = false; |
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| 187 | if (evt.shiftKey && this.mode !="zoombox") { |
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| 188 | this.switchModeTo("zoombox"); |
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| 189 | this.startViaKeyboard = true; |
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| 190 | } else if (evt.altKey && this.mode !="measure") { |
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| 191 | this.switchModeTo("measure"); |
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| 192 | } else if (!this.mode) { |
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| 193 | this.switchModeTo("pan"); |
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| 194 | } |
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| 195 | |
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| 196 | switch (this.mode) { |
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| 197 | case "zoombox": |
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| 198 | this.map.div.style.cursor = "crosshair"; |
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| 199 | this.zoomBox = OpenLayers.Util.createDiv('zoomBox', |
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| 200 | this.mouseDragStart, |
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| 201 | null, |
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| 202 | null, |
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| 203 | "absolute", |
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| 204 | "2px solid red"); |
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| 205 | this.zoomBox.style.backgroundColor = "white"; |
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| 206 | this.zoomBox.style.filter = "alpha(opacity=50)"; // IE |
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| 207 | this.zoomBox.style.opacity = "0.50"; |
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| 208 | this.zoomBox.style.fontSize = "1px"; |
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| 209 | this.zoomBox.style.zIndex = this.map.Z_INDEX_BASE["Popup"] - 1; |
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| 210 | this.map.viewPortDiv.appendChild(this.zoomBox); |
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| 211 | this.performedDrag = true; |
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| 212 | break; |
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| 213 | case "measure": |
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| 214 | var distance = ""; |
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| 215 | if (this.measureStart) { |
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| 216 | var measureEnd = this.map.getLonLatFromViewPortPx(this.mouseDragStart); |
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| 217 | distance = OpenLayers.Util.distVincenty(this.measureStart, measureEnd); |
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| 218 | distance = Math.round(distance * 100) / 100; |
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| 219 | distance = distance + "km"; |
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| 220 | this.measureStartBox = this.measureBox; |
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| 221 | } |
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| 222 | this.measureStart = this.map.getLonLatFromViewPortPx(this.mouseDragStart);; |
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| 223 | this.measureBox = OpenLayers.Util.createDiv(null, |
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| 224 | this.mouseDragStart.add( |
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| 225 | -2-parseInt(this.map.layerContainerDiv.style.left), |
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| 226 | -2-parseInt(this.map.layerContainerDiv.style.top)), |
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| 227 | null, |
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| 228 | null, |
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| 229 | "absolute"); |
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| 230 | this.measureBox.style.width="4px"; |
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| 231 | this.measureBox.style.height="4px"; |
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| 232 | this.measureBox.style.fontSize = "1px"; |
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| 233 | this.measureBox.style.backgroundColor="red"; |
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| 234 | this.measureBox.style.zIndex = this.map.Z_INDEX_BASE["Popup"] - 1; |
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| 235 | this.map.layerContainerDiv.appendChild(this.measureBox); |
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| 236 | if (distance) { |
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| 237 | this.measureBoxDistance = OpenLayers.Util.createDiv(null, |
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| 238 | this.mouseDragStart.add( |
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| 239 | -2-parseInt(this.map.layerContainerDiv.style.left), |
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| 240 | 2-parseInt(this.map.layerContainerDiv.style.top)), |
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| 241 | null, |
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| 242 | null, |
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| 243 | "absolute"); |
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| 244 | |
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| 245 | this.measureBoxDistance.innerHTML = distance; |
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| 246 | this.measureBoxDistance.style.zIndex = this.map.Z_INDEX_BASE["Popup"] - 1; |
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| 247 | this.map.layerContainerDiv.appendChild(this.measureBoxDistance); |
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| 248 | this.measureDivs.push(this.measureBoxDistance); |
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| 249 | } |
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| 250 | this.measureBox.style.zIndex = this.map.Z_INDEX_BASE["Popup"] - 1; |
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| 251 | this.map.layerContainerDiv.appendChild(this.measureBox); |
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| 252 | this.measureDivs.push(this.measureBox); |
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| 253 | break; |
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| 254 | default: |
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| 255 | this.map.div.style.cursor = "move"; |
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| 256 | break; |
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| 257 | } |
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| 258 | document.onselectstart = OpenLayers.Function.False; |
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| 259 | OpenLayers.Event.stop(evt); |
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| 260 | }, |
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| 261 | |
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| 262 | /** |
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| 263 | * Method: switchModeTo |
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| 264 | * |
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| 265 | * Parameters: |
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| 266 | * mode - {String} |
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| 267 | */ |
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| 268 | switchModeTo: function(mode) { |
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| 269 | if (mode != this.mode) { |
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| 270 | |
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| 271 | |
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| 272 | if (this.mode && this.buttons[this.mode]) { |
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| 273 | OpenLayers.Util.modifyAlphaImageDiv(this.buttons[this.mode], null, null, null, this.buttons[this.mode].imgLocation); |
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| 274 | } |
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| 275 | if (this.mode == "measure" && mode != "measure") { |
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| 276 | for(var i=0, len=this.measureDivs.length; i<len; i++) { |
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| 277 | if (this.measureDivs[i]) { |
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| 278 | this.map.layerContainerDiv.removeChild(this.measureDivs[i]); |
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| 279 | } |
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| 280 | } |
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| 281 | this.measureDivs = []; |
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| 282 | this.measureStart = null; |
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| 283 | } |
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| 284 | this.mode = mode; |
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| 285 | if (this.buttons[mode]) { |
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| 286 | OpenLayers.Util.modifyAlphaImageDiv(this.buttons[mode], null, null, null, this.buttons[mode].activeImgLocation); |
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| 287 | } |
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| 288 | switch (this.mode) { |
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| 289 | case "zoombox": |
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| 290 | this.map.div.style.cursor = "crosshair"; |
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| 291 | break; |
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| 292 | default: |
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| 293 | this.map.div.style.cursor = ""; |
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| 294 | break; |
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| 295 | } |
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| 296 | |
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| 297 | } |
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| 298 | }, |
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| 299 | |
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| 300 | /** |
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| 301 | * Method: leaveMode |
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| 302 | */ |
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| 303 | leaveMode: function() { |
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| 304 | this.switchModeTo("pan"); |
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| 305 | }, |
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| 306 | |
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| 307 | /** |
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| 308 | * Method: defaultMouseMove |
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| 309 | * |
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| 310 | * Parameters: |
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| 311 | * evt - {Event} |
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| 312 | */ |
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| 313 | defaultMouseMove: function (evt) { |
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| 314 | if (this.mouseDragStart != null) { |
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| 315 | switch (this.mode) { |
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| 316 | case "zoombox": |
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| 317 | var deltaX = Math.abs(this.mouseDragStart.x - evt.xy.x); |
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| 318 | var deltaY = Math.abs(this.mouseDragStart.y - evt.xy.y); |
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| 319 | this.zoomBox.style.width = Math.max(1, deltaX) + "px"; |
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| 320 | this.zoomBox.style.height = Math.max(1, deltaY) + "px"; |
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| 321 | if (evt.xy.x < this.mouseDragStart.x) { |
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| 322 | this.zoomBox.style.left = evt.xy.x+"px"; |
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| 323 | } |
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| 324 | if (evt.xy.y < this.mouseDragStart.y) { |
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| 325 | this.zoomBox.style.top = evt.xy.y+"px"; |
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| 326 | } |
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| 327 | break; |
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| 328 | default: |
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| 329 | var deltaX = this.mouseDragStart.x - evt.xy.x; |
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| 330 | var deltaY = this.mouseDragStart.y - evt.xy.y; |
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| 331 | var size = this.map.getSize(); |
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| 332 | var newXY = new OpenLayers.Pixel(size.w / 2 + deltaX, |
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| 333 | size.h / 2 + deltaY); |
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| 334 | var newCenter = this.map.getLonLatFromViewPortPx( newXY ); |
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| 335 | this.map.setCenter(newCenter, null, true); |
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| 336 | this.mouseDragStart = evt.xy.clone(); |
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| 337 | } |
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| 338 | this.performedDrag = true; |
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| 339 | } |
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| 340 | }, |
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| 341 | |
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| 342 | /** |
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| 343 | * Method: defaultMouseUp |
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| 344 | * |
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| 345 | * Parameters: |
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| 346 | * evt - {Event} |
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| 347 | */ |
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| 348 | defaultMouseUp: function (evt) { |
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| 349 | if (!OpenLayers.Event.isLeftClick(evt)) { |
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| 350 | return; |
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| 351 | } |
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| 352 | switch (this.mode) { |
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| 353 | case "zoombox": |
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| 354 | this.zoomBoxEnd(evt); |
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| 355 | if (this.startViaKeyboard) { |
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| 356 | this.leaveMode(); |
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| 357 | } |
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| 358 | break; |
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| 359 | case "pan": |
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| 360 | if (this.performedDrag) { |
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| 361 | this.map.setCenter(this.map.center); |
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| 362 | } |
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| 363 | } |
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| 364 | document.onselectstart = null; |
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| 365 | this.mouseDragStart = null; |
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| 366 | this.map.div.style.cursor = "default"; |
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| 367 | }, |
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| 368 | |
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| 369 | /** |
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| 370 | * Method: defaultMouseOut |
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| 371 | * |
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| 372 | * Parameters: |
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| 373 | * evt - {Event} |
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| 374 | */ |
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| 375 | defaultMouseOut: function (evt) { |
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| 376 | if (this.mouseDragStart != null |
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| 377 | && OpenLayers.Util.mouseLeft(evt, this.map.div)) { |
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| 378 | if (this.zoomBox) { |
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| 379 | this.removeZoomBox(); |
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| 380 | if (this.startViaKeyboard) { |
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| 381 | this.leaveMode(); |
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| 382 | } |
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| 383 | } |
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| 384 | this.mouseDragStart = null; |
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| 385 | this.map.div.style.cursor = "default"; |
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| 386 | } |
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| 387 | }, |
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| 388 | |
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| 389 | /** |
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| 390 | * Method: defaultClick |
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| 391 | * |
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| 392 | * Parameters: |
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| 393 | * evt - {Event} |
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| 394 | */ |
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| 395 | defaultClick: function (evt) { |
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| 396 | if (this.performedDrag) { |
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| 397 | this.performedDrag = false; |
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| 398 | return false; |
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| 399 | } |
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| 400 | }, |
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| 401 | |
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| 402 | CLASS_NAME: "OpenLayers.Control.MouseToolbar" |
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| 403 | }); |
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| 404 | |
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| 405 | OpenLayers.Control.MouseToolbar.X = 6; |
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| 406 | OpenLayers.Control.MouseToolbar.Y = 300; |
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