| 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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