1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 | /* Copyright (c) 2006-2008 MetaCarta, Inc., published under the Clear BSD * license. See http://svn.openlayers.org/trunk/openlayers/license.txt for the * full text of the license. */ /** * @requires OpenLayers/Control.js */ /** * Class: OpenLayers.Control.Panel * The Panel control is a container for other controls. With it toolbars * may be composed. * * Inherits from: * - <OpenLayers.Control> */ OpenLayers.Control.Panel = OpenLayers.Class(OpenLayers.Control, { /** * Property: controls * {Array(<OpenLayers.Control>)} */ controls: null, /** * APIProperty: defaultControl * {<OpenLayers.Control>} The control which is activated when the control is * activated (turned on), which also happens at instantiation. */ defaultControl: null, /** * Constructor: OpenLayers.Control.Panel * Create a new control panel. * * Parameters: * options - {Object} An optional object whose properties will be used * to extend the control. */ initialize: function(options) { OpenLayers.Control.prototype.initialize.apply(this, [options]); this.controls = []; }, /** * APIMethod: destroy */ destroy: function() { OpenLayers.Control.prototype.destroy.apply(this, arguments); for(var i = this.controls.length - 1 ; i >= 0; i--) { if(this.controls[i].events) { this.controls[i].events.un({ "activate": this.redraw, "deactivate": this.redraw, scope: this }); } OpenLayers.Event.stopObservingElement(this.controls[i].panel_div); this.controls[i].panel_div = null; } }, /** * APIMethod: activate */ activate: function() { if (OpenLayers.Control.prototype.activate.apply(this, arguments)) { for(var i=0, len=this.controls.length; i<len; i++) { if (this.controls[i] == this.defaultControl) { this.controls[i].activate(); } } this.redraw(); return true; } else { return false; } }, /** * APIMethod: deactivate */ deactivate: function() { if (OpenLayers.Control.prototype.deactivate.apply(this, arguments)) { for(var i=0, len=this.controls.length; i<len; i++) { this.controls[i].deactivate(); } return true; } else { return false; } }, /** * Method: draw * * Returns: * {DOMElement} */ draw: function() { OpenLayers.Control.prototype.draw.apply(this, arguments); for (var i=0, len=this.controls.length; i<len; i++) { this.map.addControl(this.controls[i]); this.controls[i].deactivate(); this.controls[i].events.on({ "activate": this.redraw, "deactivate": this.redraw, scope: this }); } this.activate(); return this.div; }, /** * Method: redraw */ redraw: function() { this.div.innerHTML = ""; if (this.active) { for (var i=0, len=this.controls.length; i<len; i++) { var element = this.controls[i].panel_div; if (this.controls[i].active) { element.className = this.controls[i].displayClass + "ItemActive"; } else { element.className = this.controls[i].displayClass + "ItemInactive"; } this.div.appendChild(element); } } }, /** * APIMethod: activateControl * * Parameters: * control - {<OpenLayers.Control>} */ activateControl: function (control) { if (!this.active) { return false; } if (control.type == OpenLayers.Control.TYPE_BUTTON) { control.trigger(); this.redraw(); return; } if (control.type == OpenLayers.Control.TYPE_TOGGLE) { if (control.active) { control.deactivate(); } else { control.activate(); } this.redraw(); return; } for (var i=0, len=this.controls.length; i<len; i++) { if (this.controls[i] != control) { if (this.controls[i].type != OpenLayers.Control.TYPE_TOGGLE) { this.controls[i].deactivate(); } } } control.activate(); }, /** * APIMethod: addControls * To build a toolbar, you add a set of controls to it. addControls * lets you add a single control or a list of controls to the * Control Panel. * * Parameters: * controls - {<OpenLayers.Control>} */ addControls: function(controls) { if (!(controls instanceof Array)) { controls = [controls]; } this.controls = this.controls.concat(controls); // Give each control a panel_div which will be used later. // Access to this div is via the panel_div attribute of the // control added to the panel. // Also, stop mousedowns and clicks, but don't stop mouseup, // since they need to pass through. for (var i=0, len=controls.length; i<len; i++) { var element = document.createElement("div"); var textNode = document.createTextNode(" "); controls[i].panel_div = element; if (controls[i].title != "") { controls[i].panel_div.title = controls[i].title; } OpenLayers.Event.observe(controls[i].panel_div, "click", OpenLayers.Function.bind(this.onClick, this, controls[i])); OpenLayers.Event.observe(controls[i].panel_div, "mousedown", OpenLayers.Function.bindAsEventListener(OpenLayers.Event.stop)); } if (this.map) { // map.addControl() has already been called on the panel for (var i=0, len=controls.length; i<len; i++) { this.map.addControl(controls[i]); controls[i].deactivate(); controls[i].events.on({ "activate": this.redraw, "deactivate": this.redraw, scope: this }); } this.redraw(); } }, /** * Method: onClick */ onClick: function (ctrl, evt) { OpenLayers.Event.stop(evt ? evt : window.event); this.activateControl(ctrl); }, /** * APIMethod: getControlsBy * Get a list of controls with properties matching the given criteria. * * Parameter: * property - {String} A control property to be matched. * match - {String | Object} A string to match. Can also be a regular * expression literal or object. In addition, it can be any object * with a method named test. For reqular expressions or other, if * match.test(control[property]) evaluates to true, the control will be * included in the array returned. If no controls are found, an empty * array is returned. * * Returns: * {Array(<OpenLayers.Control>)} A list of controls matching the given criteria. * An empty array is returned if no matches are found. */ getControlsBy: function(property, match) { var test = (typeof match.test == "function"); var found = OpenLayers.Array.filter(this.controls, function(item) { return item[property] == match || (test && match.test(item[property])); }); return found; }, /** * APIMethod: getControlsByName * Get a list of contorls with names matching the given name. * * Parameter: * match - {String | Object} A control name. The name can also be a regular * expression literal or object. In addition, it can be any object * with a method named test. For reqular expressions or other, if * name.test(control.name) evaluates to true, the control will be included * in the list of controls returned. If no controls are found, an empty * array is returned. * * Returns: * {Array(<OpenLayers.Control>)} A list of controls matching the given name. * An empty array is returned if no matches are found. */ getControlsByName: function(match) { return this.getControlsBy("name", match); }, /** * APIMethod: getControlsByClass * Get a list of controls of a given type (CLASS_NAME). * * Parameter: * match - {String | Object} A control class name. The type can also be a * regular expression literal or object. In addition, it can be any * object with a method named test. For reqular expressions or other, * if type.test(control.CLASS_NAME) evaluates to true, the control will * be included in the list of controls returned. If no controls are * found, an empty array is returned. * * Returns: * {Array(<OpenLayers.Control>)} A list of controls matching the given type. * An empty array is returned if no matches are found. */ getControlsByClass: function(match) { return this.getControlsBy("CLASS_NAME", match); }, CLASS_NAME: "OpenLayers.Control.Panel" }); |