1 | define(["dojo/_base/declare","dojo/_base/connect","dojo/_base/lang","dojo/_base/Color","dojox/gfx","./BarGauge","./BarCircleIndicator","./GlossyHorizontalGaugeMarker"], |
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2 | function(declare, connect, lang, Color, gfx, BarGauge, BarCircleIndicator, GlossyHorizontalGaugeMarker) { |
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3 | |
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4 | return declare("dojox.gauges.GlossyHorizontalGauge", [BarGauge], { |
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5 | // summary: |
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6 | // Represents an horizontal bar gauge with a glossy appearance. |
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7 | // |
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8 | // example: |
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9 | // | <div dojoType="dojox.gauges.GlossyHorizontalGauge" |
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10 | // | id="testGauge" |
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11 | // | width="500" |
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12 | // | height="100" |
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13 | // | min="0" |
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14 | // | max="100" |
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15 | // | value="0" |
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16 | // | majorTicksInterval="10" |
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17 | // | majorTicksColor="#c4c4c4" |
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18 | // | minorTicksInterval="5" |
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19 | // | minorTicksColor="#c4c4c4" |
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20 | // | color="black" |
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21 | // | markerColor="#c4c4c4" |
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22 | // | font="normal normal normal 10pt sans-serif" |
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23 | // | noChange="true" |
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24 | // | title="title" |
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25 | // | scalePrecision="0" |
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26 | // | > |
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27 | // | </div> |
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28 | |
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29 | |
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30 | // the type of default indicator to create |
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31 | _defaultIndicator: BarCircleIndicator, |
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32 | |
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33 | // color: String |
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34 | // The main color of the gauge. |
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35 | color: 'black', |
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36 | |
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37 | // needleColor: Color |
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38 | // The main color of the needle. |
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39 | markerColor: 'black', |
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40 | |
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41 | // majorTicksInterval: Number |
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42 | // Interval between major ticks |
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43 | majorTicksInterval: 10, |
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44 | |
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45 | // _majorTicksLength: Number |
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46 | // Major tick size, at design |
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47 | _majorTicksLength: 10, |
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48 | |
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49 | // majorTicksColor: Color |
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50 | // Color of major tick marks |
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51 | majorTicksColor: '#c4c4c4', |
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52 | |
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53 | // minorTicksInterval: Number |
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54 | // Interval between minor ticks |
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55 | minorTicksInterval: 5, |
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56 | |
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57 | // _minorTicksLength: Number |
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58 | // Minor tick size, at design |
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59 | _minorTicksLength: 6, |
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60 | |
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61 | // minorTicksColor: Color |
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62 | // Color of minor tick marks |
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63 | minorTicksColor: '#c4c4c4', |
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64 | |
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65 | // value: Number |
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66 | // The value of the gauge. |
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67 | value: 0, |
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68 | |
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69 | // noChange: Boolean |
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70 | // Indicates if the gauge reacts to touch events |
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71 | noChange: false, |
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72 | |
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73 | // title: String |
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74 | // The title displayed in the needle's tooltip |
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75 | title: "", |
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76 | |
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77 | // font: Object |
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78 | // The font of the gauge |
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79 | font: "normal normal normal 10pt serif", |
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80 | |
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81 | // scalePrecision: Number |
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82 | // The precision for the formatting of numbers in the scale (default is 0) |
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83 | scalePrecision: 0, |
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84 | |
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85 | _font: null, |
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86 | |
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87 | _margin: 2, |
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88 | _minBorderWidth: 2, |
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89 | _maxBorderWidth: 6, |
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90 | _tickLabelOffset: 5, |
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91 | _designHeight: 100, |
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92 | |
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93 | constructor: function(){ |
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94 | this.min = 0; |
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95 | this.max = 100; |
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96 | }, |
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97 | |
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98 | startup: function(){ |
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99 | this.inherited(arguments); |
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100 | |
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101 | if (this._gaugeStarted) return; |
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102 | |
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103 | this._gaugeStarted = true; |
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104 | |
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105 | var scale = this.height / this._designHeight; |
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106 | |
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107 | this._minorTicksLength = this._minorTicksLength * scale; |
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108 | this._majorTicksLength = this._majorTicksLength * scale; |
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109 | |
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110 | var font = this._font; |
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111 | this._computeDataRectangle(); |
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112 | |
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113 | // computing scale height |
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114 | |
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115 | var th = gfx.normalizedLength(font.size); |
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116 | var scaleHeight = th + this._tickLabelOffset + Math.max(this._majorTicksLength, this._minorTicksLength); |
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117 | // indicator in the middle of the gauge |
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118 | var yOffset = Math.max(0, (this.height - scaleHeight) / 2); |
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119 | |
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120 | this.addRange({ |
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121 | low: this.min ? this.min : 0, |
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122 | high: this.max ? this.max : 100, |
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123 | color: [0, 0, 0, 0] |
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124 | }); |
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125 | |
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126 | this.setMajorTicks({ |
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127 | fixedPrecision: true, |
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128 | precision: this.scalePrecision, |
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129 | font: font, |
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130 | labelPlacement: 'inside', |
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131 | offset: yOffset - this._majorTicksLength / 2, |
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132 | interval: this.majorTicksInterval, |
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133 | length: this._majorTicksLength, |
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134 | color: this.majorTicksColor |
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135 | |
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136 | }); |
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137 | |
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138 | this.setMinorTicks({ |
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139 | labelPlacement: 'inside', |
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140 | offset: yOffset - this._minorTicksLength / 2, |
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141 | interval: this.minorTicksInterval, |
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142 | length: this._minorTicksLength, |
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143 | color: this.minorTicksColor |
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144 | |
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145 | }); |
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146 | this._needle = new GlossyHorizontalGaugeMarker({ |
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147 | hideValue: true, |
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148 | title: this.title, |
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149 | noChange: this.noChange, |
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150 | offset: yOffset, |
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151 | color: this.markerColor, |
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152 | value: this.value |
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153 | }); |
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154 | this.addIndicator(this._needle); |
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155 | |
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156 | connect.connect(this._needle, "valueChanged", lang.hitch(this, function(){ |
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157 | this.value = this._needle.value; |
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158 | this.onValueChanged(); |
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159 | })); |
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160 | }, |
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161 | |
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162 | _layoutGauge: function(){ |
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163 | // summary: |
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164 | // Layout the gauge elements depending on the various parameters (size, font, tick length..) |
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165 | |
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166 | if (!this._gaugeStarted) |
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167 | return; |
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168 | |
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169 | var font = this._font; |
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170 | this._computeDataRectangle(); |
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171 | var th = gfx.normalizedLength(font.size); |
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172 | var scaleHeight = th + this._tickLabelOffset + Math.max(this._majorTicksLength, this._minorTicksLength); |
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173 | // indicator in the middle of the gauge |
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174 | var yOffset = Math.max(0, (this.height - scaleHeight) / 2); |
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175 | |
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176 | |
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177 | this._setMajorTicksProperty({ |
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178 | fixedPrecision: true, |
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179 | precision: this.scalePrecision, |
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180 | font: font, |
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181 | offset: yOffset - this._majorTicksLength / 2, |
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182 | interval: this.majorTicksInterval, |
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183 | length: this._majorTicksLength |
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184 | }); |
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185 | |
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186 | this._setMinorTicksProperty({ |
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187 | offset: yOffset - this._minorTicksLength / 2, |
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188 | interval: this.minorTicksInterval, |
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189 | length: this._minorTicksLength |
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190 | }); |
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191 | |
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192 | this.removeIndicator(this._needle); |
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193 | this._needle.offset = yOffset; |
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194 | this.addIndicator(this._needle); |
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195 | }, |
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196 | |
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197 | _formatNumber: function(val){ |
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198 | var NumberUtils = this._getNumberModule(); |
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199 | if(NumberUtils){ // use internationalization if loaded |
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200 | return NumberUtils.format(val, { |
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201 | places: this.scalePrecision |
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202 | }); |
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203 | }else{ |
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204 | return val.toFixed(this.scalePrecision); |
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205 | } |
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206 | }, |
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207 | |
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208 | _computeDataRectangle: function(){ |
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209 | // summary: |
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210 | // Computes the rectangle that defines the data area of the gauge. |
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211 | |
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212 | |
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213 | if (!this._gaugeStarted) |
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214 | return; |
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215 | |
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216 | var font = this._font; |
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217 | var leftTextMargin = this._getTextWidth(this._formatNumber(this.min), font) / 2; |
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218 | var rightTextMargin = this._getTextWidth(this._formatNumber(this.max), font) / 2; |
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219 | var textMargin = Math.max(leftTextMargin, rightTextMargin); |
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220 | |
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221 | var margin = this._getBorderWidth() + Math.max(this._majorTicksLength, this._majorTicksLength) / 2 + textMargin; |
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222 | this.dataHeight = this.height; |
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223 | this.dataY = 0; |
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224 | this.dataX = margin + this._margin; |
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225 | this.dataWidth = Math.max(0, this.width - 2 * this.dataX); |
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226 | }, |
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227 | |
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228 | _getTextWidth: function(s, font){ |
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229 | return gfx._base._getTextBox(s, { |
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230 | font: gfx.makeFontString(gfx.makeParameters(gfx.defaultFont, font)) |
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231 | }).w || |
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232 | 0; |
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233 | }, |
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234 | |
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235 | _getBorderWidth: function(){ |
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236 | // summary: |
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237 | // Computes the width of the border surrounding the gauge |
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238 | return Math.max(this._minBorderWidth, Math.min(this._maxBorderWidth, this._maxBorderWidth * this.height / this._designHeight)); |
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239 | }, |
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240 | |
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241 | drawBackground: function(group){ |
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242 | // summary: |
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243 | // Draws the background of the gauge |
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244 | // group: dojox.gfx.Group |
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245 | // The GFX group where the background must be drawn |
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246 | if (this._gaugeBackground){ |
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247 | return; |
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248 | } |
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249 | |
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250 | var lighterColor = Color.blendColors(new Color(this.color), new Color('white'), 0.4); |
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251 | this._gaugeBackground = group.createGroup(); |
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252 | |
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253 | var borderWidth = this._getBorderWidth(); |
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254 | var margin = this._margin; |
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255 | var w = this.width; |
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256 | var h = this.height; |
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257 | var radius = Math.min(h / 4, 23); |
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258 | this._gaugeBackground.createRect({ |
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259 | x: margin, |
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260 | y: margin, |
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261 | width: Math.max(0, w - 2 * margin), |
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262 | height: Math.max(0, h - 2 * margin), |
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263 | r: radius |
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264 | }).setFill(this.color); |
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265 | |
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266 | var left = margin + borderWidth; |
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267 | var right = w - borderWidth - margin; |
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268 | var top = margin + borderWidth; |
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269 | var w2 = w - 2 * borderWidth - 2 * margin; |
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270 | var h2 = h - 2 * borderWidth - 2 * margin; |
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271 | if (w2 <= 0 || h2 <= 0) |
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272 | return; |
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273 | radius = Math.min(radius, w2 / 2); |
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274 | radius = Math.min(radius, h2 / 2); |
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275 | this._gaugeBackground.createRect({ |
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276 | x: left, |
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277 | y: top, |
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278 | width: w2, |
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279 | height: h2, |
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280 | r: radius |
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281 | }).setFill({ |
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282 | type: "linear", |
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283 | x1: left, |
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284 | y1: 0, |
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285 | x2: left, |
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286 | y2: h - borderWidth - margin, |
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287 | colors: [{ |
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288 | offset: 0, |
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289 | color: lighterColor |
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290 | }, { |
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291 | offset: .2, |
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292 | color: this.color |
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293 | }, { |
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294 | offset: .8, |
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295 | color: this.color |
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296 | }, { |
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297 | offset: 1, |
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298 | color: lighterColor |
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299 | }] |
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300 | }); |
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301 | |
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302 | var f = 4 * (Math.sqrt(2) - 1) / 3 * radius; |
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303 | this._gaugeBackground.createPath({ |
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304 | path: 'M' + left + ' ' + (top + radius) + |
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305 | 'C' + |
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306 | left + |
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307 | ' ' + |
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308 | (top + radius - f) + |
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309 | ' ' + |
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310 | (left + radius - f) + |
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311 | ' ' + |
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312 | top + |
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313 | ' ' + |
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314 | (left + radius) + |
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315 | ' ' + |
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316 | top + |
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317 | 'L' + |
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318 | (right - radius) + |
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319 | ' ' + |
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320 | top + |
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321 | 'C' + |
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322 | (right - radius + f) + |
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323 | ' ' + |
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324 | top + |
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325 | ' ' + |
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326 | right + |
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327 | ' ' + |
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328 | (top + radius - f) + |
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329 | ' ' + |
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330 | right + |
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331 | ' ' + |
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332 | (top + radius) + |
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333 | 'L' + |
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334 | right + |
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335 | ' ' + |
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336 | (top + h / 2) + |
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337 | 'L' + |
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338 | left + |
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339 | ' ' + |
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340 | (top + h / 3) + |
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341 | 'Z' |
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342 | }).setFill({ |
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343 | type: "linear", |
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344 | x1: left, |
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345 | y1: top, |
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346 | x2: left, |
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347 | y2: top + this.height / 2, |
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348 | colors: [{ |
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349 | offset: 0, |
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350 | color: lighterColor |
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351 | }, { |
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352 | offset: 1, |
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353 | color: Color.blendColors(new Color(this.color), new Color('white'), 0.2) |
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354 | }] |
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355 | }); |
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356 | }, |
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357 | |
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358 | onValueChanged: function(){ |
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359 | // summary: |
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360 | // Callback when the value of the gauge has changed. |
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361 | |
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362 | }, |
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363 | |
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364 | //******************************************************************************************* |
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365 | //* Property getters and setters |
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366 | //******************************************************************************************* |
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367 | |
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368 | _setColorAttr: function(color){ |
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369 | // summary: |
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370 | // Sets the main color of the gauge |
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371 | // color: String |
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372 | // The color |
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373 | this.color = color ? color : 'black'; |
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374 | if (this._gaugeBackground && this._gaugeBackground.parent) |
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375 | this._gaugeBackground.parent.remove(this._gaugeBackground); |
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376 | |
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377 | this._gaugeBackground = null; |
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378 | this.draw(); |
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379 | }, |
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380 | |
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381 | _setMarkerColorAttr: function(color){ |
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382 | // summary: |
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383 | // Sets the main color of the marker |
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384 | // color: String |
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385 | // The color |
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386 | this.markerColor = color; |
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387 | if (this._needle){ |
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388 | this.removeIndicator(this._needle); |
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389 | this._needle.color = color; |
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390 | this._needle.shape = null; |
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391 | this.addIndicator(this._needle); |
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392 | } |
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393 | }, |
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394 | |
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395 | _setMajorTicksIntervalAttr: function(interval){ |
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396 | // summary: |
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397 | // Sets the interval between major ticks |
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398 | this.majorTicksInterval = interval; |
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399 | this._setMajorTicksProperty({ |
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400 | 'interval': this.majorTicksInterval |
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401 | }); |
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402 | }, |
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403 | |
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404 | setMajorTicksLength: function(length){ |
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405 | // summary: |
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406 | // Sets the size of the major ticks. |
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407 | this._majorTicksLength = length; |
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408 | this._layoutGauge(); |
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409 | return this; |
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410 | |
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411 | }, |
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412 | |
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413 | getMajorTicksLength: function(){ |
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414 | // summary: |
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415 | // Returns the size of the major ticks. |
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416 | return this._majorTicksLength; |
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417 | }, |
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418 | |
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419 | _setMajorTicksColorAttr: function(color){ |
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420 | // summary: |
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421 | // Sets the color of the major ticks. |
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422 | this.majorTicksColor = color; |
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423 | this._setMajorTicksProperty({ |
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424 | 'color': this.majorTicksColor |
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425 | }); |
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426 | }, |
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427 | |
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428 | _setMajorTicksProperty: function(prop){ |
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429 | if (this.majorTicks == null){ |
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430 | return; |
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431 | } |
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432 | lang.mixin(this.majorTicks, prop); |
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433 | this.setMajorTicks(this.majorTicks); |
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434 | }, |
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435 | |
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436 | _setMinorTicksIntervalAttr: function(interval){ |
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437 | // summary: |
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438 | // Sets the interval between minor ticks |
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439 | this.minorTicksInterval = interval; |
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440 | this._setMinorTicksProperty({ |
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441 | 'interval': this.minorTicksInterval |
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442 | }); |
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443 | }, |
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444 | |
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445 | setMinorTicksLength: function(length){ |
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446 | // summary: |
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447 | // Sets the size of the minor ticks. |
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448 | this._minorTicksLength = length; |
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449 | this._layoutGauge(); |
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450 | return this; |
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451 | }, |
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452 | |
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453 | getMinorTicksLength: function(){ |
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454 | // summary: |
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455 | // Gets the size of the minor ticks. |
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456 | return this._minorTicksLength; |
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457 | }, |
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458 | |
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459 | _setMinorTicksColorAttr: function(color){ |
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460 | // summary: |
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461 | // Sets the color of the minor ticks. |
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462 | this.minorTicksColor = color; |
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463 | this._setMinorTicksProperty({ |
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464 | 'color': this.minorTicksColor |
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465 | }); |
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466 | }, |
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467 | |
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468 | _setMinorTicksProperty: function(prop){ |
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469 | if (this.minorTicks == null){ |
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470 | return; |
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471 | } |
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472 | lang.mixin(this.minorTicks, prop); |
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473 | this.setMinorTicks(this.minorTicks); |
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474 | }, |
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475 | |
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476 | _setMinAttr: function(min){ |
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477 | this.min = min; |
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478 | this._computeDataRectangle(); |
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479 | if (this.majorTicks != null) |
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480 | this.setMajorTicks(this.majorTicks); |
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481 | if (this.minorTicks != null) |
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482 | this.setMinorTicks(this.minorTicks); |
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483 | this.draw(); |
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484 | }, |
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485 | |
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486 | _setMaxAttr: function(max){ |
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487 | this.max = max; |
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488 | this._computeDataRectangle(); |
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489 | if (this.majorTicks != null) |
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490 | this.setMajorTicks(this.majorTicks); |
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491 | if (this.minorTicks != null) |
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492 | this.setMinorTicks(this.minorTicks); |
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493 | this.draw(); |
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494 | }, |
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495 | |
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496 | _setValueAttr: function(value){ |
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497 | // summary: |
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498 | // Changes the value of the gauge |
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499 | // value: Number |
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500 | // The new value for the gauge. |
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501 | |
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502 | value = Math.min(this.max, value); |
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503 | value = Math.max(this.min, value); |
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504 | this.value = value; |
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505 | if (this._needle){ |
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506 | // update will not work if noChange is true. |
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507 | var noChange = this._needle.noChange; |
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508 | this._needle.noChange = false; |
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509 | this._needle.update(value); |
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510 | this._needle.noChange = noChange; |
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511 | } |
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512 | }, |
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513 | |
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514 | _setScalePrecisionAttr: function(value){ |
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515 | // summary: |
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516 | // Changes precision of the numbers in the scale of the gauge |
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517 | // value: Number |
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518 | // The new value |
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519 | this.scalePrecision = value; |
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520 | this._layoutGauge(); |
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521 | }, |
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522 | |
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523 | _setNoChangeAttr: function(value){ |
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524 | // summary: |
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525 | // Indicates if the value of the gauge can be changed or not |
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526 | // value: boolean |
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527 | // true indicates that the gauge's value cannot be changed |
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528 | this.noChange = value; |
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529 | if (this._needle) |
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530 | this._needle.noChange = this.noChange; |
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531 | }, |
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532 | |
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533 | _setTitleAttr: function(value){ |
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534 | // summary: |
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535 | // Sets the title displayed by the needle's tooltip . |
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536 | // value: String |
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537 | // the title |
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538 | |
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539 | this.title = value; |
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540 | if (this._needle){ |
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541 | this._needle.title = this.title; |
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542 | } |
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543 | }, |
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544 | |
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545 | _setFontAttr: function(font){ |
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546 | // summary: |
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547 | // Sets the font of the gauge |
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548 | // font: String |
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549 | // An string representing the font such as 'normal normal normal 10pt Helvetica,Arial,sans-serif' |
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550 | |
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551 | this.font = font; |
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552 | this._font = gfx.splitFontString(font); |
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553 | this._layoutGauge(); |
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554 | } |
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555 | }); |
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556 | }); |
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557 | |
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