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<!doctype html> <html lang="en"> <head> <title>Code coverage report for ol/control/zoomslidercontrol.js</title> <meta charset="utf-8" /> <link rel="stylesheet" href="../../prettify.css" /> <link rel="stylesheet" href="../../base.css" /> <meta name="viewport" content="width=device-width, initial-scale=1"> <style type='text/css'> .coverage-summary .sorter { background-image: url(../../sort-arrow-sprite.png); } </style> </head> <body> <div class='wrapper'> <div class='pad1'> <h1> <a href="../../index.html">all files</a> / <a href="index.html">ol/control/</a> zoomslidercontrol.js </h1> <div class='clearfix'> <div class='fl pad1y space-right2'> 58.97% Statements 69/117 </div> <div class='fl pad1y space-right2'> 31.82% Branches 7/22 </div> <div class='fl pad1y space-right2'> 25% Functions 3/12 </div> <div class='fl pad1y space-right2'> 58.97% Lines 69/117 </div> </div> </div> <div class='status-line medium'></div> <pre><table class="coverage"> <tr><td class="line-count quiet">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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336</td><td class="line-coverage quiet">    1×   1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1×                                 1×   6×               6×                 6×               6×             6×           6×   6× 6×       6×               6× 6×   6×   6×   6×     6×   6×     6×   6×         1×               1×                 1× 6× 6× 6×                       1× 1× 1×   1× 1× 1× 1×   1×   1×   1× 1×   1× 1× 1× 1×         1× 1×                   1×                                         1×                                               1×                     1×                       1×                                           1×                                                 1×                                       1×                             1×        </td><td class="text"><pre class="prettyprint lang-js">// FIXME should possibly show tooltip when dragging?   goog.provide('ol.control.ZoomSlider');   goog.require('goog.asserts'); goog.require('goog.dom'); goog.require('goog.events'); goog.require('goog.events.Event'); goog.require('goog.events.EventType'); goog.require('goog.fx.DragEvent'); goog.require('goog.fx.Dragger'); goog.require('goog.fx.Dragger.EventType'); goog.require('goog.math.Rect'); goog.require('goog.style'); goog.require('ol.Size'); goog.require('ol.ViewHint'); goog.require('ol.animation'); goog.require('ol.control.Control'); goog.require('ol.css'); goog.require('ol.easing'); goog.require('ol.math');       /** * @classdesc * A slider type of control for zooming. * * Example: * * map.addControl(new ol.control.ZoomSlider()); * * @constructor * @extends {ol.control.Control} * @param {olx.control.ZoomSliderOptions=} opt_options Zoom slider options. * @api stable */ ol.control.ZoomSlider = function(opt_options) {   var options = opt_options ? opt_options : {};   /** * Will hold the current resolution of the view. * * @type {number|undefined} * @private */ this.currentResolution_ = undefined;   /** * The direction of the slider. Will be determined from actual display of the * container and defaults to ol.control.ZoomSlider.direction.VERTICAL. * * @type {ol.control.ZoomSlider.direction} * @private */ this.direction_ = ol.control.ZoomSlider.direction.VERTICAL;   /** * The calculated thumb size (border box plus margins). Set when initSlider_ * is called. * @type {ol.Size} * @private */ this.thumbSize_ = null;   /** * Whether the slider is initialized. * @type {boolean} * @private */ this.sliderInitialized_ = false;   /** * @private * @type {number} */ this.duration_ = options.duration ? options.duration : 200;   var className = options.className ? options.className : 'ol-zoomslider'; var thumbElement = goog.dom.createDom('BUTTON', { 'type': 'button', 'class': className + '-thumb ' + ol.css.CLASS_UNSELECTABLE }); var containerElement = goog.dom.createDom('DIV', [className, ol.css.CLASS_UNSELECTABLE, ol.css.CLASS_CONTROL], thumbElement);   /** * @type {goog.fx.Dragger} * @private */ this.dragger_ = new goog.fx.Dragger(thumbElement); this.registerDisposable(this.dragger_);   goog.events.listen(this.dragger_, goog.fx.Dragger.EventType.START, this.handleDraggerStart_, false, this); goog.events.listen(this.dragger_, goog.fx.Dragger.EventType.DRAG, this.handleDraggerDrag_, false, this); goog.events.listen(this.dragger_, goog.fx.Dragger.EventType.END, this.handleDraggerEnd_, false, this);   goog.events.listen(containerElement, goog.events.EventType.CLICK, this.handleContainerClick_, false, this); goog.events.listen(thumbElement, goog.events.EventType.CLICK, goog.events.Event.stopPropagation);   var render = options.render ? options.render : ol.control.ZoomSlider.render;   goog.base(this, { element: containerElement, render: render }); }; goog.inherits(ol.control.ZoomSlider, ol.control.Control);     /** * The enum for available directions. * * @enum {number} */ ol.control.ZoomSlider.direction = { VERTICAL: 0, HORIZONTAL: 1 };     /** * @inheritDoc */ ol.control.ZoomSlider.prototype.setMap = function(map) { goog.base(this, 'setMap', map); Eif (map) { map.render(); } };     /** * Initializes the slider element. This will determine and set this controls * direction_ and also constrain the dragging of the thumb to always be within * the bounds of the container. * * @private */ ol.control.ZoomSlider.prototype.initSlider_ = function() { var container = this.element; var containerSize = goog.style.getSize(container);   var thumb = goog.dom.getFirstElementChild(container); var thumbMargins = goog.style.getMarginBox(thumb); var thumbBorderBoxSize = goog.style.getBorderBoxSize(thumb); var thumbWidth = thumbBorderBoxSize.width + thumbMargins.right + thumbMargins.left; var thumbHeight = thumbBorderBoxSize.height + thumbMargins.top + thumbMargins.bottom; this.thumbSize_ = [thumbWidth, thumbHeight];   var width = containerSize.width - thumbWidth; var height = containerSize.height - thumbHeight;   var limits; Eif (containerSize.width > containerSize.height) { this.direction_ = ol.control.ZoomSlider.direction.HORIZONTAL; limits = new goog.math.Rect(0, 0, width, 0); } else { this.direction_ = ol.control.ZoomSlider.direction.VERTICAL; limits = new goog.math.Rect(0, 0, 0, height); } this.dragger_.setLimits(limits); this.sliderInitialized_ = true; };     /** * Update the zoomslider element. * @param {ol.MapEvent} mapEvent Map event. * @this {ol.control.ZoomSlider} * @api */ ol.control.ZoomSlider.render = function(mapEvent) { if (!mapEvent.frameState) { return; } goog.asserts.assert(mapEvent.frameState.viewState, 'viewState should be defined'); if (!this.sliderInitialized_) { this.initSlider_(); } var res = mapEvent.frameState.viewState.resolution; if (res !== this.currentResolution_) { this.currentResolution_ = res; this.setThumbPosition_(res); } };     /** * @param {goog.events.BrowserEvent} browserEvent The browser event to handle. * @private */ ol.control.ZoomSlider.prototype.handleContainerClick_ = function(browserEvent) { var map = this.getMap(); var view = map.getView(); var currentResolution = view.getResolution(); goog.asserts.assert(currentResolution, 'currentResolution should be defined'); map.beforeRender(ol.animation.zoom({ resolution: currentResolution, duration: this.duration_, easing: ol.easing.easeOut })); var relativePosition = this.getRelativePosition_( browserEvent.offsetX - this.thumbSize_[0] / 2, browserEvent.offsetY - this.thumbSize_[1] / 2); var resolution = this.getResolutionForPosition_(relativePosition); view.setResolution(view.constrainResolution(resolution)); };     /** * Handle dragger start events. * @param {goog.fx.DragEvent} event The drag event. * @private */ ol.control.ZoomSlider.prototype.handleDraggerStart_ = function(event) { this.getMap().getView().setHint(ol.ViewHint.INTERACTING, 1); };     /** * Handle dragger drag events. * * @param {goog.fx.DragEvent} event The drag event. * @private */ ol.control.ZoomSlider.prototype.handleDraggerDrag_ = function(event) { var relativePosition = this.getRelativePosition_(event.left, event.top); this.currentResolution_ = this.getResolutionForPosition_(relativePosition); this.getMap().getView().setResolution(this.currentResolution_); };     /** * Handle dragger end events. * @param {goog.fx.DragEvent} event The drag event. * @private */ ol.control.ZoomSlider.prototype.handleDraggerEnd_ = function(event) { var map = this.getMap(); var view = map.getView(); view.setHint(ol.ViewHint.INTERACTING, -1); goog.asserts.assert(this.currentResolution_, 'this.currentResolution_ should be defined'); map.beforeRender(ol.animation.zoom({ resolution: this.currentResolution_, duration: this.duration_, easing: ol.easing.easeOut })); var resolution = view.constrainResolution(this.currentResolution_); view.setResolution(resolution); };     /** * Positions the thumb inside its container according to the given resolution. * * @param {number} res The res. * @private */ ol.control.ZoomSlider.prototype.setThumbPosition_ = function(res) { var position = this.getPositionForResolution_(res); var dragger = this.dragger_; var thumb = goog.dom.getFirstElementChild(this.element);   if (this.direction_ == ol.control.ZoomSlider.direction.HORIZONTAL) { var left = dragger.limits.left + dragger.limits.width * position; goog.style.setPosition(thumb, left); } else { var top = dragger.limits.top + dragger.limits.height * position; goog.style.setPosition(thumb, dragger.limits.left, top); } };     /** * Calculates the relative position of the thumb given x and y offsets. The * relative position scales from 0 to 1. The x and y offsets are assumed to be * in pixel units within the dragger limits. * * @param {number} x Pixel position relative to the left of the slider. * @param {number} y Pixel position relative to the top of the slider. * @return {number} The relative position of the thumb. * @private */ ol.control.ZoomSlider.prototype.getRelativePosition_ = function(x, y) { var draggerLimits = this.dragger_.limits; var amount; if (this.direction_ === ol.control.ZoomSlider.direction.HORIZONTAL) { amount = (x - draggerLimits.left) / draggerLimits.width; } else { amount = (y - draggerLimits.top) / draggerLimits.height; } return ol.math.clamp(amount, 0, 1); };     /** * Calculates the corresponding resolution of the thumb given its relative * position (where 0 is the minimum and 1 is the maximum). * * @param {number} position The relative position of the thumb. * @return {number} The corresponding resolution. * @private */ ol.control.ZoomSlider.prototype.getResolutionForPosition_ = function(position) { var fn = this.getMap().getView().getResolutionForValueFunction(); return fn(1 - position); };     /** * Determines the relative position of the slider for the given resolution. A * relative position of 0 corresponds to the minimum view resolution. A * relative position of 1 corresponds to the maximum view resolution. * * @param {number} res The resolution. * @return {number} The relative position value (between 0 and 1). * @private */ ol.control.ZoomSlider.prototype.getPositionForResolution_ = function(res) { var fn = this.getMap().getView().getValueForResolutionFunction(); return 1 - fn(res); };  </pre></td></tr> </table></pre> <div class='push'></div> </div> <div class='footer quiet pad2 space-top1 center small'> Code coverage generated by <a href="http://istanbul-js.org/" target="_blank">istanbul</a> at Fri Nov 06 2015 19:36:11 GMT+0100 (CET) </div> </div> <script src="../../prettify.js"></script> <script> window.onload = function () { if (typeof prettyPrint === 'function') { prettyPrint(); } }; </script> <script src="../../sorter.js"></script> </body> </html>