1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 | /** Gantt * Base on data in form [s,y,d] where: * y - executor or simply y value * s - task start value * d - task duration * **/ Flotr.addType('gantt', { options: { show: false, // => setting to true will show gantt, false will hide lineWidth: 2, // => in pixels barWidth: 1, // => in units of the x axis fill: true, // => true to fill the area from the line to the x axis, false for (transparent) no fill fillColor: null, // => fill color fillOpacity: 0.4, // => opacity of the fill color, set to 1 for a solid fill, 0 hides the fill centered: true // => center the bars to their x axis value }, /** * Draws gantt series in the canvas element. * @param {Object} series - Series with options.gantt.show = true. */ draw: function(series) { var ctx = this.ctx, bw = series.gantt.barWidth, lw = Math.min(series.gantt.lineWidth, bw); ctx.save(); ctx.translate(this.plotOffset.left, this.plotOffset.top); ctx.lineJoin = 'miter'; /** * @todo linewidth not interpreted the right way. */ ctx.lineWidth = lw; ctx.strokeStyle = series.color; ctx.save(); this.gantt.plotShadows(series, bw, 0, series.gantt.fill); ctx.restore(); if(series.gantt.fill){ var color = series.gantt.fillColor || series.color; ctx.fillStyle = this.processColor(color, {opacity: series.gantt.fillOpacity}); } this.gantt.plot(series, bw, 0, series.gantt.fill); ctx.restore(); }, plot: function(series, barWidth, offset, fill){ var data = series.data; if(data.length < 1) return; var xa = series.xaxis, ya = series.yaxis, ctx = this.ctx, i; for(i = 0; i < data.length; i++){ var y = data[i][0], s = data[i][1], d = data[i][2], drawLeft = true, drawTop = true, drawRight = true; if (s === null || d === null) continue; var left = s, right = s + d, bottom = y - (series.gantt.centered ? barWidth/2 : 0), top = y + barWidth - (series.gantt.centered ? barWidth/2 : 0); if(right < xa.min || left > xa.max || top < ya.min || bottom > ya.max) continue; if(left < xa.min){ left = xa.min; drawLeft = false; } if(right > xa.max){ right = xa.max; if (xa.lastSerie != series) drawTop = false; } if(bottom < ya.min) bottom = ya.min; if(top > ya.max){ top = ya.max; if (ya.lastSerie != series) drawTop = false; } /** * Fill the bar. */ if(fill){ ctx.beginPath(); ctx.moveTo(xa.d2p(left), ya.d2p(bottom) + offset); ctx.lineTo(xa.d2p(left), ya.d2p(top) + offset); ctx.lineTo(xa.d2p(right), ya.d2p(top) + offset); ctx.lineTo(xa.d2p(right), ya.d2p(bottom) + offset); ctx.fill(); ctx.closePath(); } /** * Draw bar outline/border. */ if(series.gantt.lineWidth && (drawLeft || drawRight || drawTop)){ ctx.beginPath(); ctx.moveTo(xa.d2p(left), ya.d2p(bottom) + offset); ctx[drawLeft ?'lineTo':'moveTo'](xa.d2p(left), ya.d2p(top) + offset); ctx[drawTop ?'lineTo':'moveTo'](xa.d2p(right), ya.d2p(top) + offset); ctx[drawRight?'lineTo':'moveTo'](xa.d2p(right), ya.d2p(bottom) + offset); ctx.stroke(); ctx.closePath(); } } }, plotShadows: function(series, barWidth, offset){ var data = series.data; if(data.length < 1) return; var i, y, s, d, xa = series.xaxis, ya = series.yaxis, ctx = this.ctx, sw = this.options.shadowSize; for(i = 0; i < data.length; i++){ y = data[i][0]; s = data[i][1]; d = data[i][2]; if (s === null || d === null) continue; var left = s, right = s + d, bottom = y - (series.gantt.centered ? barWidth/2 : 0), top = y + barWidth - (series.gantt.centered ? barWidth/2 : 0); if(right < xa.min || left > xa.max || top < ya.min || bottom > ya.max) continue; if(left < xa.min) left = xa.min; if(right > xa.max) right = xa.max; if(bottom < ya.min) bottom = ya.min; if(top > ya.max) top = ya.max; var width = xa.d2p(right)-xa.d2p(left)-((xa.d2p(right)+sw <= this.plotWidth) ? 0 : sw); var height = ya.d2p(bottom)-ya.d2p(top)-((ya.d2p(bottom)+sw <= this.plotHeight) ? 0 : sw ); ctx.fillStyle = 'rgba(0,0,0,0.05)'; ctx.fillRect(Math.min(xa.d2p(left)+sw, this.plotWidth), Math.min(ya.d2p(top)+sw, this.plotHeight), width, height); } }, extendXRange: function(axis) { if(axis.options.max === null){ var newmin = axis.min, newmax = axis.max, i, j, x, s, g, stackedSumsPos = {}, stackedSumsNeg = {}, lastSerie = null; for(i = 0; i < this.series.length; ++i){ s = this.series[i]; g = s.gantt; if(g.show && s.xaxis == axis) { for (j = 0; j < s.data.length; j++) { if (g.show) { y = s.data[j][0]+''; stackedSumsPos[y] = Math.max((stackedSumsPos[y] || 0), s.data[j][1]+s.data[j][2]); lastSerie = s; } } for (j in stackedSumsPos) { newmax = Math.max(stackedSumsPos[j], newmax); } } } axis.lastSerie = lastSerie; axis.max = newmax; axis.min = newmin; } }, extendYRange: function(axis){ if(axis.options.max === null){ var newmax = Number.MIN_VALUE, newmin = Number.MAX_VALUE, i, j, s, g, stackedSumsPos = {}, stackedSumsNeg = {}, lastSerie = null; for(i = 0; i < this.series.length; ++i){ s = this.series[i]; g = s.gantt; if (g.show && !s.hide && s.yaxis == axis) { var datamax = Number.MIN_VALUE, datamin = Number.MAX_VALUE; for(j=0; j < s.data.length; j++){ datamax = Math.max(datamax,s.data[j][0]); datamin = Math.min(datamin,s.data[j][0]); } if (g.centered) { newmax = Math.max(datamax + 0.5, newmax); newmin = Math.min(datamin - 0.5, newmin); } else { newmax = Math.max(datamax + 1, newmax); newmin = Math.min(datamin, newmin); } // For normal horizontal bars if (g.barWidth + datamax > newmax){ newmax = axis.max + g.barWidth; } } } axis.lastSerie = lastSerie; axis.max = newmax; axis.min = newmin; axis.tickSize = Flotr.getTickSize(axis.options.noTicks, newmin, newmax, axis.options.tickDecimals); } } }); |