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1 /*
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2 * MapZoomSlider.js
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3 *
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4 * Copyright (c) 2012, Stefan Jänicke. All rights reserved.
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5 *
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6 * This library is free software; you can redistribute it and/or
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7 * modify it under the terms of the GNU Lesser General Public
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8 * License as published by the Free Software Foundation; either
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9 * version 3 of the License, or (at your option) any later version.
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10 *
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11 * This library is distributed in the hope that it will be useful,
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12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 * Lesser General Public License for more details.
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15 *
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16 * You should have received a copy of the GNU Lesser General Public
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17 * License along with this library; if not, write to the Free Software
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18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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19 * MA 02110-1301 USA
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20 */
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21
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22 /**
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23 * @class MapZoomSlider
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24 * GeoTemCo style for map zoom control
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25 * @author Stefan Jänicke (stjaenicke@informatik.uni-leipzig.de)
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26 * @release 1.0
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27 * @release date: 2012-07-27
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28 * @version date: 2012-07-27
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29 */
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30 function MapZoomSlider(parent, orientation) {
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31
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32 this.parent = parent;
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33
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34 var zs = this;
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35 this.div = document.createElement("div");
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36 this.div.setAttribute('class', 'sliderStyle-' + orientation);
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37
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38 var sliderContainer = document.createElement("div");
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39 sliderContainer.setAttribute('class', 'zoomSliderContainer-' + orientation);
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40 var sliderDiv = document.createElement("div");
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41 sliderDiv.tabIndex = 1;
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42 var sliderInputDiv = document.createElement("div");
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43 sliderDiv.appendChild(sliderInputDiv);
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44 sliderContainer.appendChild(sliderDiv);
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45 this.slider = new Slider(sliderDiv, sliderInputDiv, orientation);
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46 this.div.appendChild(sliderContainer);
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47
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48 var zoomIn = document.createElement("img");
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49 zoomIn.src = GeoTemConfig.path + "zoom_in.png";
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50 zoomIn.setAttribute('class', 'zoomSliderIn-' + orientation);
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51 zoomIn.onclick = function() {
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52 zs.parent.zoom(1);
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53 }
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54 this.div.appendChild(zoomIn);
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55
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56 var zoomOut = document.createElement("img");
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57 zoomOut.src = GeoTemConfig.path + "zoom_out.png";
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58 zoomOut.setAttribute('class', 'zoomSliderOut-' + orientation);
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59 zoomOut.onclick = function() {
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60 zs.parent.zoom(-1);
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61 }
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62 this.div.appendChild(zoomOut);
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63
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64 this.slider.onclick = function() {
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65 console.info(zs.slider.getValue());
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66 }
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67
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68 this.slider.handle.onmousedown = function() {
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69 var oldValue = zs.slider.getValue();
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70 document.onmouseup = function() {
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71 if (!zs.parent.zoom((zs.slider.getValue() - oldValue) / zs.max * zs.levels)) {
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72 zs.setValue(oldValue);
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73 }
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74 document.onmouseup = null;
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75 }
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76 }
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77
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78 this.setValue = function(value) {
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79 this.slider.setValue(value / this.levels * this.max);
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80 }
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81
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82 this.setMaxAndLevels = function(max, levels) {
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83 this.max = max;
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84 this.levels = levels;
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85 this.slider.setMaximum(max);
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86 }
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87 // this.setMaxAndLevels(1000,parent.openlayersMap.getNumZoomLevels());
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88 // this.setValue(parent.getZoom());
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89
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90 this.setLanguage = function() {
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91 zoomIn.title = GeoTemConfig.getString('zoomIn');
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92 zoomOut.title = GeoTemConfig.getString('zoomOut');
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93 this.slider.handle.title = GeoTemConfig.getString('zoomSlider');
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94 }
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95 }
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