1 | /** |
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2 | * Copyright (c) 2008-2010 The Open Source Geospatial Foundation |
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3 | * |
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4 | * Published under the BSD license. |
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5 | * See http://svn.geoext.org/core/trunk/geoext/license.txt for the full text |
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6 | * of the license. |
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7 | */ |
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8 | |
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9 | /** api: (define) |
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10 | * module = GeoExt |
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11 | * class = SliderTip |
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12 | * base_link = `Ext.Tip <http://dev.sencha.com/deploy/dev/docs/?class=Ext.slider.Tip>`_ |
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13 | */ |
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14 | Ext.namespace("GeoExt"); |
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15 | |
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16 | /** api: example |
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17 | * Sample code to create a slider tip to display slider value on hover: |
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18 | * |
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19 | * .. code-block:: javascript |
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20 | * |
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21 | * var slider = new Ext.Slider({ |
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22 | * renderTo: document.body, |
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23 | * width: 200, |
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24 | * plugins: new GeoExt.SliderTip() |
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25 | * }); |
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26 | */ |
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27 | |
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28 | /** api: constructor |
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29 | * .. class:: SliderTip(config) |
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30 | * |
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31 | * Create a slider tip displaying ``Ext.Slider`` values over slider thumbs. |
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32 | */ |
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33 | GeoExt.SliderTip = Ext.extend(Ext.slider.Tip, { |
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34 | |
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35 | /** api: config[hover] |
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36 | * ``Boolean`` |
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37 | * Display the tip when hovering over the thumb. If ``false``, tip will |
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38 | * only be displayed while dragging. Default is ``true``. |
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39 | */ |
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40 | hover: true, |
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41 | |
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42 | /** api: config[minWidth] |
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43 | * ``Number`` |
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44 | * Minimum width of the tip. Default is 10. |
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45 | */ |
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46 | minWidth: 10, |
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47 | |
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48 | /** api: config[offsets] |
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49 | * ``Array(Number)`` |
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50 | * A two item list that provides x, y offsets for the tip. Default is |
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51 | * [0, -10]. |
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52 | */ |
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53 | offsets : [0, -10], |
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54 | |
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55 | /** private: property[dragging] |
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56 | * ``Boolean`` |
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57 | * The thumb is currently being dragged. |
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58 | */ |
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59 | dragging: false, |
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60 | |
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61 | /** private: method[init] |
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62 | * :param slider: ``Ext.Slider`` |
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63 | * |
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64 | * Called when the plugin is initialized. |
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65 | */ |
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66 | init: function(slider) { |
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67 | GeoExt.SliderTip.superclass.init.apply(this, arguments); |
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68 | if (this.hover) { |
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69 | slider.on("render", this.registerThumbListeners, this); |
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70 | } |
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71 | this.slider = slider; |
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72 | }, |
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73 | |
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74 | /** private: method[registerThumbListeners] |
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75 | * Set as a listener for 'render' if hover is true. |
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76 | */ |
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77 | registerThumbListeners: function() { |
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78 | var thumb, el; |
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79 | for (var i=0, ii=this.slider.thumbs.length; i<ii; ++i) { |
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80 | thumb = this.slider.thumbs[i]; |
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81 | el = thumb.tracker.el; |
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82 | (function(thumb, el) { |
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83 | el.on({ |
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84 | mouseover: function(e) { |
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85 | this.onSlide(this.slider, e, thumb); |
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86 | this.dragging = false; |
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87 | }, |
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88 | mouseout: function() { |
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89 | if (!this.dragging) { |
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90 | this.hide.apply(this, arguments); |
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91 | } |
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92 | }, |
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93 | scope: this |
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94 | }) |
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95 | }).apply(this, [thumb, el]); |
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96 | } |
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97 | }, |
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98 | |
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99 | /** private: method[onSlide] |
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100 | * :param slider: ``Ext.Slider`` |
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101 | * |
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102 | * Listener for dragstart and drag. |
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103 | */ |
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104 | onSlide: function(slider, e, thumb) { |
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105 | this.dragging = true; |
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106 | return GeoExt.SliderTip.superclass.onSlide.apply(this, arguments); |
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107 | } |
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108 | |
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109 | }); |
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