[77] | 1 | /** |
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| 2 | * o------------------------------------------------------------------------------o |
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| 3 | * | This file is part of the RGraph package - you can learn more at: | |
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| 4 | * | | |
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| 5 | * | http://www.rgraph.net | |
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| 6 | * | | |
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| 7 | * | This package is licensed under the RGraph license. For all kinds of business | |
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| 8 | * | purposes there is a small one-time licensing fee to pay and for non | |
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| 9 | * | commercial purposes it is free to use. You can read the full license here: | |
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| 10 | * | | |
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| 11 | * | http://www.rgraph.net/LICENSE.txt | |
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| 12 | * o------------------------------------------------------------------------------o |
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| 13 | */ |
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| 14 | |
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| 15 | if (typeof(RGraph) == 'undefined') RGraph = {}; |
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| 16 | |
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| 17 | /** |
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| 18 | * The LED lights constructor |
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| 19 | * |
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| 20 | * @param object canvas The canvas object |
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| 21 | * @param array data The chart data |
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| 22 | */ |
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| 23 | RGraph.LED = function (id, text) |
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| 24 | { |
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| 25 | // Get the canvas and context objects |
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| 26 | this.id = id; |
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| 27 | this.canvas = document.getElementById(id); |
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| 28 | this.context = this.canvas.getContext ? this.canvas.getContext("2d") : null; |
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| 29 | this.canvas.__object__ = this; |
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| 30 | this.type = 'led'; |
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| 31 | this.isRGraph = true; |
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| 32 | |
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| 33 | |
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| 34 | /** |
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| 35 | * Compatibility with older browsers |
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| 36 | */ |
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| 37 | RGraph.OldBrowserCompat(this.context); |
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| 38 | |
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| 39 | |
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| 40 | /** |
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| 41 | * Set the string that is to be displayed |
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| 42 | */ |
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| 43 | this.text = text; |
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| 44 | |
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| 45 | /** |
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| 46 | * The letters and numbers |
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| 47 | */ |
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| 48 | this.lights = { |
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| 49 | 'a': [[0,1,1,0],[1,0,0,1],[1,0,0,1],[1,1,1,1],[1,0,0,1],[1,0,0,1],[1,0,0,1]], |
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| 50 | 'b': [[1,1,1,0],[1,0,0,1],[1,0,0,1],[1,1,1,0],[1,0,0,1],[1,0,0,1],[1,1,1,0]], |
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| 51 | 'c': [[0,1,1,0],[1,0,0,1],[1,0,0,0],[1,0,0,0],[1,0,0,0],[1,0,0,1],[0,1,1,0]], |
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| 52 | 'd': [[1,1,1,0],[1,0,0,1],[1,0,0,1],[1,0,0,1],[1,0,0,1],[1,0,0,1],[1,1,1,0]], |
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| 53 | 'e': [[1,1,1,1],[1,0,0,0],[1,0,0,0],[1,1,1,0],[1,0,0,0],[1,0,0,0],[1,1,1,1]], |
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| 54 | 'f': [[1,1,1,1],[1,0,0,0],[1,0,0,0],[1,1,1,0],[1,0,0,0],[1,0,0,0],[1,0,0,0]], |
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| 55 | 'g': [[0,1,1,0],[1,0,0,1],[1,0,0,0],[1,0,1,1],[1,0,0,1],[1,0,0,1],[0,1,1,0]], |
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| 56 | 'h': [[1,0,0,1],[1,0,0,1],[1,0,0,1],[1,1,1,1],[1,0,0,1],[1,0,0,1],[1,0,0,1]], |
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| 57 | 'i': [[0,1,1,1],[0,0,1,0],[0,0,1,0],[0,0,1,0],[0,0,1,0],[0,0,1,0],[0,1,1,1]], |
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| 58 | 'j': [[0,1,1,1],[0,0,1,0],[0,0,1,0],[0,0,1,0],[0,0,1,0],[0,0,1,0],[0,1,0,0]], |
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| 59 | 'k': [[1,0,0,1],[1,0,0,1],[1,0,1,0],[1,1,0,0],[1,0,1,0],[1,0,0,1],[1,0,0,1]], |
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| 60 | 'l': [[1,0,0,0],[1,0,0,0],[1,0,0,0],[1,0,0,0],[1,0,0,0],[1,0,0,0],[1,1,1,1]], |
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| 61 | 'm': [[1,0,0,1],[1,1,1,1],[1,0,0,1],[1,0,0,1],[1,0,0,1],[1,0,0,1],[1,0,0,1]], |
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| 62 | 'n': [[1,0,0,1],[1,1,0,1],[1,0,1,1],[1,0,0,1],[1,0,0,1],[1,0,0,1],[1,0,0,1]], |
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| 63 | 'o': [[0,1,1,0],[1,0,0,1],[1,0,0,1],[1,0,0,1],[1,0,0,1],[1,0,0,1],[0,1,1,0]], |
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| 64 | 'p': [[1,1,1,0],[1,0,0,1],[1,0,0,1],[1,1,1,0],[1,0,0,0],[1,0,0,0],[1,0,0,0]], |
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| 65 | 'q': [[0,1,1,0],[1,0,0,1],[1,0,0,1],[1,0,0,1],[1,0,0,1],[1,0,1,1],[0,1,1,1]], |
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| 66 | 'r': [[1,1,1,0],[1,0,0,1],[1,0,0,1],[1,1,1,0],[1,0,1,0],[1,0,0,1],[1,0,0,1]], |
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| 67 | 's': [[0,1,1,0],[1,0,0,1],[1,0,0,0],[0,1,1,0],[0,0,0,1],[1,0,0,1],[0,1,1,0]], |
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| 68 | 't': [[1,1,1,0],[0,1,0,0],[0,1,0,0],[0,1,0,0],[0,1,0,0],[0,1,0,0],[0,1,0,0]], |
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| 69 | 'u': [[1,0,0,1],[1,0,0,1],[1,0,0,1],[1,0,0,1],[1,0,0,1],[1,0,0,1],[0,1,1,0]], |
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| 70 | 'v': [[1,0,1],[1,0,1],[1,0,1],[1,0,1],[1,0,1],[0,1,0],[0,1,0]], |
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| 71 | 'w': [[1,0,0,1],[1,0,0,1],[1,0,0,1],[1,0,0,1],[1,0,0,1],[1,1,1,1],[0,1,1,0]], |
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| 72 | 'x': [[0,1,0,1],[0,1,0,1],[0,1,0,1],[0,0,1,0],[0,1,0,1],[0,1,0,1],[0,1,0,1]], |
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| 73 | 'y': [[0,1,0,1],[0,1,0,1],[0,0,1,0],[0,0,1,0],[0,0,1,0],[0,0,1,0],[0,0,1,0]], |
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| 74 | 'z': [[1,1,1,1],[0,0,0,1],[0,0,1,0],[0,0,1,0],[0,1,0,0],[1,0,0,0],[1,1,1,1]], |
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| 75 | ' ': [[],[],[],[],[], [], []], |
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| 76 | '0': [[0,1,1,0],[1,0,0,1],[1,0,0,1],[1,0,0,1],[1,0,0,1],[1,0,0,1],[0,1,1,0]], |
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| 77 | '1': [[0,0,1,0],[0,1,1,0],[0,0,1,0],[0,0,1,0],[0,0,1,0],[0,0,1,0],[0,1,1,1]], |
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| 78 | '2': [[0,1,1,0],[1,0,0,1],[0,0,0,1],[0,0,1,0],[0,1,,0],[1,0,0,0],[1,1,1,1]], |
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| 79 | '3': [[0,1,1,0],[1,0,0,1],[0,0,0,1],[0,1,1,0],[0,0,0,1],[1,0,0,1],[0,1,1,0]], |
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| 80 | '4': [[1,0,0,0],[1,0,0,0],[1,0,1,0],[1,0,1,0],[1,1,1,1],[0,0,1,0],[0,0,1,0]], |
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| 81 | '5': [[1,1,1,1],[1,0,0,0],[1,0,0,0],[1,1,1,0],[0,0,0,1],[1,0,0,1],[0,1,1,0]], |
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| 82 | '6': [[0,1,1,0],[1,0,0,1],[1,0,0,0],[1,1,1,0],[1,0,0,1],[1,0,0,1],[0,1,1,0]], |
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| 83 | '7': [[1,1,1,1],[0,0,0,1],[0,0,0,1],[0,0,1,0],[0,1,0,0],[0,1,0,0],[0,1,0,0]], |
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| 84 | '8': [[0,1,1,0],[1,0,0,1],[1,0,0,1],[0,1,1,0],[1,0,0,1],[1,0,0,1],[0,1,1,0]], |
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| 85 | '9': [[0,1,1,1],[1,0,0,1],[1,0,0,1],[0,1,1,1],[0,0,0,1],[0,0,0,1],[0,0,0,1]] |
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| 86 | } |
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| 87 | |
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| 88 | // Various config type stuff |
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| 89 | this.properties = { |
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| 90 | 'chart.background': 'white', |
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| 91 | 'chart.dark': '#eee', |
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| 92 | 'chart.light': '#f66', |
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| 93 | 'chart.zoom.factor': 1.5, |
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| 94 | 'chart.zoom.fade.in': true, |
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| 95 | 'chart.zoom.fade.out': true, |
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| 96 | 'chart.zoom.hdir': 'right', |
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| 97 | 'chart.zoom.vdir': 'down', |
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| 98 | 'chart.zoom.frames': 10, |
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| 99 | 'chart.zoom.delay': 50, |
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| 100 | 'chart.zoom.shadow': true, |
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| 101 | 'chart.zoom.background': true, |
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| 102 | 'chart.zoom.action': 'zoom', |
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| 103 | 'chart.resizable': false, |
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| 104 | 'chart.resize.handle.adjust': [0,0], |
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| 105 | 'chart.resize.handle.background': null, |
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| 106 | 'chart.width': null, |
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| 107 | 'chart.height': null |
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| 108 | } |
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| 109 | |
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| 110 | // Check for support |
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| 111 | if (!this.canvas) { |
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| 112 | alert('[LED] No canvas support'); |
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| 113 | return; |
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| 114 | } |
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| 115 | } |
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| 116 | |
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| 117 | |
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| 118 | /** |
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| 119 | * A setter |
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| 120 | * |
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| 121 | * @param name string The name of the property to set |
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| 122 | * @param value mixed The value of the property |
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| 123 | */ |
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| 124 | RGraph.LED.prototype.Set = function (name, value) |
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| 125 | { |
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| 126 | this.properties[name.toLowerCase()] = value; |
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| 127 | } |
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| 128 | |
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| 129 | |
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| 130 | /** |
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| 131 | * A getter |
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| 132 | * |
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| 133 | * @param name string The name of the property to get |
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| 134 | */ |
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| 135 | RGraph.LED.prototype.Get = function (name) |
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| 136 | { |
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| 137 | return this.properties[name.toLowerCase()]; |
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| 138 | } |
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| 139 | |
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| 140 | |
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| 141 | /** |
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| 142 | * This draws the LEDs |
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| 143 | */ |
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| 144 | RGraph.LED.prototype.Draw = function () |
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| 145 | { |
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| 146 | /** |
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| 147 | * Fire the onbeforedraw event |
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| 148 | */ |
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| 149 | RGraph.FireCustomEvent(this, 'onbeforedraw'); |
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| 150 | |
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| 151 | |
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| 152 | // First clear the canvas, using the background colour |
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| 153 | RGraph.Clear(this.canvas, this.Get('chart.background')); |
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| 154 | |
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| 155 | for (var l=0; l<this.text.length; l++) { |
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| 156 | this.DrawLetter(this.text.charAt(l), l); |
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| 157 | } |
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| 158 | |
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| 159 | /** |
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| 160 | * Set the title attribute on the canvas |
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| 161 | */ |
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| 162 | this.canvas.title = RGraph.rtrim(this.text); |
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| 163 | |
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| 164 | /** |
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| 165 | * Setup the context menu if required |
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| 166 | */ |
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| 167 | if (this.Get('chart.contextmenu')) { |
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| 168 | RGraph.ShowContext(this); |
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| 169 | } |
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| 170 | |
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| 171 | /** |
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| 172 | * This bit shows the mini zoom window if requested |
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| 173 | */ |
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| 174 | if (this.Get('chart.zoom.mode') == 'thumbnail' || this.Get('chart.zoom.mode') == 'area') { |
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| 175 | RGraph.ShowZoomWindow(this); |
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| 176 | } |
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| 177 | |
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| 178 | |
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| 179 | /** |
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| 180 | * This function enables resizing |
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| 181 | */ |
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| 182 | if (this.Get('chart.resizable')) { |
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| 183 | RGraph.AllowResizing(this); |
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| 184 | } |
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| 185 | |
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| 186 | /** |
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| 187 | * Fire the RGraph ondraw event |
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| 188 | */ |
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| 189 | RGraph.FireCustomEvent(this, 'ondraw'); |
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| 190 | } |
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| 191 | |
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| 192 | |
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| 193 | /** |
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| 194 | * Draws a single letter |
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| 195 | * |
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| 196 | * @param string lights The lights to draw to draw |
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| 197 | * @param int index The position of the letter |
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| 198 | */ |
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| 199 | RGraph.LED.prototype.DrawLetter = function (letter, index) |
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| 200 | { |
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| 201 | var light = this.Get('chart.light'); |
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| 202 | var dark = this.Get('chart.dark'); |
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| 203 | var lights = (this.lights[letter] ? this.lights[letter] : [[0,0,0,0,0],[0,0,0,0,0],[0,0,0,0,0],[0,0,0,0,0],[0,0,0,0,0],[0,0,0,0,0],[0,0,0,0,0]]); |
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| 204 | var lwidth = RGraph.GetWidth(this) / this.text.length; |
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| 205 | var diameter = lwidth / 5; |
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| 206 | var radius = diameter / 2; |
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| 207 | |
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| 208 | var lheight = diameter * 7; |
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| 209 | if (lheight > RGraph.GetHeight(this)) { |
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| 210 | lheight = RGraph.GetHeight(this); |
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| 211 | diameter = (lheight / 7); |
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| 212 | radius = (diameter / 2); |
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| 213 | lwidth = diameter * 5; |
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| 214 | } |
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| 215 | |
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| 216 | for (var i=0; i<7; i++) { |
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| 217 | for (var j=0; j<5; j++) { |
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| 218 | |
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| 219 | var x = (j * diameter) + (index * lwidth) + radius; |
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| 220 | var y = ((i * diameter)) + radius; |
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| 221 | |
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| 222 | // Draw a circle |
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| 223 | this.context.fillStyle = (lights[i][j] ? light : dark); |
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| 224 | this.context.strokeStyle = (lights[i][j] ? '#ccc' : 'rgba(0,0,0,0)'); |
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| 225 | this.context.beginPath(); |
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| 226 | this.context.arc(x, y, radius, 0, 6.28, 0); |
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| 227 | |
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| 228 | this.context.stroke(); |
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| 229 | this.context.fill(); |
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| 230 | } |
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| 231 | } |
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| 232 | } |
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