/** * @private * @class Ext.chart.axis.sprite.Axis * @extends Ext.draw.sprite.Sprite * * The axis sprite. Currently all types of the axis will be rendered with this sprite. */Ext.define('Ext.chart.axis.sprite.Axis', { extend: 'Ext.draw.sprite.Sprite', alias: 'sprite.axis', type: 'axis', mixins: { markerHolder: 'Ext.chart.MarkerHolder' }, requires: ['Ext.draw.sprite.Text'], inheritableStatics: { def: { processors: { /** * @cfg {Boolean} grid 'true' if the axis has a grid. */ grid: 'bool', /** * @cfg {Boolean} axisLine 'true' if the main line of the axis is drawn. */ axisLine: 'bool', /** * @cfg {Boolean} minorTicks 'true' if the axis has sub ticks. */ minorTicks: 'bool', /** * @cfg {Number} minorTickSize The length of the minor ticks. */ minorTickSize: 'number', /** * @cfg {Boolean} majorTicks 'true' if the axis has major ticks. */ majorTicks: 'bool', /** * @cfg {Number} majorTickSize The length of the major ticks. */ majorTickSize: 'number', /** * @cfg {Number} length The total length of the axis. */ length: 'number', /** * @private * @cfg {Number} startGap Axis start determined by the chart inset padding. */ startGap: 'number', /** * @private * @cfg {Number} endGap Axis end determined by the chart inset padding. */ endGap: 'number', /** * @cfg {Number} dataMin The minimum value of the axis data. */ dataMin: 'number', /** * @cfg {Number} dataMax The maximum value of the axis data. */ dataMax: 'number', /** * @cfg {Number} visibleMin The minimum value that is displayed. */ visibleMin: 'number', /** * @cfg {Number} visibleMax The maximum value that is displayed. */ visibleMax: 'number', /** * @cfg {String} position The position of the axis on the chart. */ position: 'enums(left,right,top,bottom,angular,radial,gauge)', /** * @cfg {Number} minStepSize The minimum step size between ticks. */ minStepSize: 'number', /** * @private * @cfg {Number} estStepSize The estimated step size between ticks. */ estStepSize: 'number', /** * @private * Unused. */ titleOffset: 'number', /** * @cfg {Number} [textPadding=0] * The padding around axis labels to determine collision. * The default is 0 for all axes except horizontal axes of cartesian charts, * where the default is 5 to prevent axis labels from blending one into another. * This default is defined in the {@link Ext.chart.theme.Base#axis axis} config * of the {@link Ext.chart.theme.Base Base} theme. * You may want to change this default to a smaller number or 0, if you have * horizontal axis labels rotated, which allows for more text to fit in. */ textPadding: 'number', /** * @cfg {Number} min The minimum value of the axis. * `min` and {@link #max} attributes represent the effective range of the axis * after segmentation, layout, and range reconciliation between axes. */ min: 'number', /** * @cfg {Number} max The maximum value of the axis. * {@link #min} and `max` attributes represent the effective range of the axis * after segmentation, layout, and range reconciliation between axes. */ max: 'number', /** * @cfg {Number} centerX The central point of the angular axis on the x-axis. */ centerX: 'number', /** * @cfg {Number} centerY The central point of the angular axis on the y-axis. */ centerY: 'number', /** * @private * @cfg {Number} radius * Unused. */ radius: 'number', /** * @private */ totalAngle: 'number', /** * @cfg {Number} baseRotation The starting rotation of the angular axis. */ baseRotation: 'number', /** * @private * Unused. */ data: 'default', /** * @cfg {Boolean} 'true' if the estimated step size is adjusted by text size. */ enlargeEstStepSizeByText: 'bool' }, defaults: { grid: false, axisLine: true, minorTicks: false, minorTickSize: 3, majorTicks: true, majorTickSize: 5, length: 0, startGap: 0, endGap: 0, visibleMin: 0, visibleMax: 1, dataMin: 0, dataMax: 1, position: '', minStepSize: 0, estStepSize: 20, min: 0, max: 1, centerX: 0, centerY: 0, radius: 1, baseRotation: 0, data: null, titleOffset: 0, textPadding: 0, scalingCenterY: 0, scalingCenterX: 0, // Override default strokeStyle: 'black', enlargeEstStepSizeByText: false }, triggers: { minorTickSize: 'bbox', majorTickSize: 'bbox', position: 'bbox,layout', axisLine: 'bbox,layout', minorTicks: 'layout', min: 'layout', max: 'layout', length: 'layout', minStepSize: 'layout', estStepSize: 'layout', data: 'layout', dataMin: 'layout', dataMax: 'layout', visibleMin: 'layout', visibleMax: 'layout', enlargeEstStepSizeByText: 'layout' }, updaters: { layout: 'layoutUpdater' } } }, config: { /** * @cfg {Object} label * * The label configuration object for the Axis. This object may include style attributes * like `spacing`, `padding`, `font` that receives a string or number and * returns a new string with the modified values. */ label: null, /** * @cfg {Number} labelOffset * The distance between the label and the edge of a major tick. * Only applicable for 'gauge' and 'angular' axes. */ labelOffset: 10, /** * @cfg {Object|Ext.chart.axis.layout.Layout} layout The layout configuration used by the axis. */ layout: null, /** * @cfg {Object|Ext.chart.axis.segmenter.Segmenter} segmenter The method of segmenter used by the axis. */ segmenter: null, /** * @cfg {Function} renderer Allows direct customisation of rendered axis sprites. */ renderer: null, /** * @private * @cfg {Object} layoutContext Stores the context after calculating layout. */ layoutContext: null, /** * @cfg {Ext.chart.axis.Axis} axis The axis represented by this sprite. */ axis: null }, thickness: 0, stepSize: 0, getBBox: function () { return null; }, defaultRenderer: function (v) { // 'this' pointer in this case is a layoutContext return this.segmenter.renderer(v, this); }, layoutUpdater: function () { var me = this, chart = me.getAxis().getChart(); if (chart.isInitializing) { return; } var attr = me.attr, layout = me.getLayout(), isRtl = chart.getInherited().rtl, dataRange = attr.dataMax - attr.dataMin, min = attr.dataMin + dataRange * attr.visibleMin, max = attr.dataMin + dataRange * attr.visibleMax, range = max - min, position = attr.position, context = { attr: attr, segmenter: me.getSegmenter(), renderer: me.defaultRenderer }; if (position === 'left' || position === 'right') { attr.translationX = 0; attr.translationY = max * attr.length / range; attr.scalingX = 1; attr.scalingY = -attr.length / range; attr.scalingCenterY = 0; attr.scalingCenterX = 0; me.applyTransformations(true); } else if (position === 'top' || position === 'bottom') { if (isRtl) { attr.translationX = attr.length + min * attr.length / range + 1; } else { attr.translationX = -min * attr.length / range; } attr.translationY = 0; attr.scalingX = (isRtl ? -1 : 1) * attr.length / range; attr.scalingY = 1; attr.scalingCenterY = 0; attr.scalingCenterX = 0; me.applyTransformations(true); } if (layout) { layout.calculateLayout(context); me.setLayoutContext(context); } }, iterate: function (snaps, fn) { var i, position, id, axis, floatingAxes, floatingValues, some = Ext.Array.some, abs = Math.abs, threshold; if (snaps.getLabel) { // Discrete layout. if (snaps.min < snaps.from) { fn.call(this, snaps.min, snaps.getLabel(snaps.min), -1, snaps); } for (i = 0; i <= snaps.steps; i++) { fn.call(this, snaps.get(i), snaps.getLabel(i), i, snaps); } if (snaps.max > snaps.to) { fn.call(this, snaps.max, snaps.getLabel(snaps.max), snaps.steps + 1, snaps); } } else { axis = this.getAxis(); floatingAxes = axis.floatingAxes; floatingValues = []; threshold = (snaps.to - snaps.from) / (snaps.steps + 1); if (axis.getFloating()) { for (id in floatingAxes) { floatingValues.push(floatingAxes[id]); } } // Don't render ticks in axes intersection points. function isTickVisible(position) { return !floatingValues.length || some(floatingValues, function (value) { return abs(value - position) > threshold; }); } if (snaps.min < snaps.from && isTickVisible(snaps.min)) { fn.call(this, snaps.min, snaps.min, -1, snaps); } for (i = 0; i <= snaps.steps; i++) { position = snaps.get(i); if (isTickVisible(position)) { fn.call(this, position, position, i, snaps); } } if (snaps.max > snaps.to && isTickVisible(snaps.max)) { fn.call(this, snaps.max, snaps.max, snaps.steps + 1, snaps); } } }, renderTicks: function (surface, ctx, layout, clipRect) { var me = this, attr = me.attr, docked = attr.position, matrix = attr.matrix, halfLineWidth = 0.5 * attr.lineWidth, xx = matrix.getXX(), dx = matrix.getDX(), yy = matrix.getYY(), dy = matrix.getDY(), majorTicks = layout.majorTicks, majorTickSize = attr.majorTickSize, minorTicks = layout.minorTicks, minorTickSize = attr.minorTickSize; if (majorTicks) { switch (docked) { case 'right': function getRightTickFn(size) { return function (position, labelText, i) { position = surface.roundPixel(position * yy + dy) + halfLineWidth; ctx.moveTo(0, position); ctx.lineTo(size, position); }; } me.iterate(majorTicks, getRightTickFn(majorTickSize)); minorTicks && me.iterate(minorTicks, getRightTickFn(minorTickSize)); break; case 'left': function getLeftTickFn(size) { return function (position, labelText, i) { position = surface.roundPixel(position * yy + dy) + halfLineWidth; ctx.moveTo(clipRect[2] - size, position); ctx.lineTo(clipRect[2], position); }; } me.iterate(majorTicks, getLeftTickFn(majorTickSize)); minorTicks && me.iterate(minorTicks, getLeftTickFn(minorTickSize)); break; case 'bottom': function getBottomTickFn(size) { return function (position, labelText, i) { position = surface.roundPixel(position * xx + dx) - halfLineWidth; ctx.moveTo(position, 0); ctx.lineTo(position, size); }; } me.iterate(majorTicks, getBottomTickFn(majorTickSize)); minorTicks && me.iterate(minorTicks, getBottomTickFn(minorTickSize)); break; case 'top': function getTopTickFn(size) { return function (position, labelText, i) { position = surface.roundPixel(position * xx + dx) - halfLineWidth; ctx.moveTo(position, clipRect[3]); ctx.lineTo(position, clipRect[3] - size); }; } me.iterate(majorTicks, getTopTickFn(majorTickSize)); minorTicks && me.iterate(minorTicks, getTopTickFn(minorTickSize)); break; case 'angular': me.iterate(majorTicks, function (position, labelText, i) { position = position / (attr.max + 1) * Math.PI * 2 + attr.baseRotation; ctx.moveTo( attr.centerX + (attr.length) * Math.cos(position), attr.centerY + (attr.length) * Math.sin(position) ); ctx.lineTo( attr.centerX + (attr.length + majorTickSize) * Math.cos(position), attr.centerY + (attr.length + majorTickSize) * Math.sin(position) ); }); break; case 'gauge': var gaugeAngles = me.getGaugeAngles(); me.iterate(majorTicks, function (position, labelText, i) { position = (position - attr.min) / (attr.max - attr.min) * attr.totalAngle - attr.totalAngle + gaugeAngles.start; ctx.moveTo( attr.centerX + (attr.length) * Math.cos(position), attr.centerY + (attr.length) * Math.sin(position) ); ctx.lineTo( attr.centerX + (attr.length + majorTickSize) * Math.cos(position), attr.centerY + (attr.length + majorTickSize) * Math.sin(position) ); }); break; } } }, renderLabels: function (surface, ctx, layoutContext, clipRect) { var me = this, attr = me.attr, halfLineWidth = 0.5 * attr.lineWidth, docked = attr.position, matrix = attr.matrix, textPadding = attr.textPadding, xx = matrix.getXX(), dx = matrix.getDX(), yy = matrix.getYY(), dy = matrix.getDY(), thickness = 0, majorTicks = layoutContext.majorTicks, tickPadding = Math.max(attr.majorTickSize, attr.minorTickSize) + attr.lineWidth, isBBoxIntersect = Ext.draw.Draw.isBBoxIntersect, label = me.getLabel(), font, labelOffset = me.getLabelOffset(), lastLabelText = null, textSize = 0, textCount = 0, segmenter = layoutContext.segmenter, renderer = me.getRenderer(), axis = me.getAxis(), title = axis.getTitle(), titleBBox = title && title.attr.text !== '' && title.getBBox(), labelInverseMatrix, lastBBox = null, bbox, fly, text, titlePadding, translation, gaugeAngles; if (majorTicks && label && !label.attr.hidden) { font = label.attr.font; if (ctx.font !== font) { ctx.font = font; } // This can profoundly improve performance. label.setAttributes({translationX: 0, translationY: 0}, true); label.applyTransformations(); labelInverseMatrix = label.attr.inverseMatrix.elements.slice(0); switch (docked) { case 'left': titlePadding = titleBBox ? titleBBox.x + titleBBox.width : 0; switch (label.attr.textAlign) { case 'start': translation = surface.roundPixel(titlePadding + dx) - halfLineWidth; break; case 'end': translation = surface.roundPixel(clipRect[2] - tickPadding + dx) - halfLineWidth; break; default: // 'center' translation = surface.roundPixel(titlePadding + (clipRect[2] - titlePadding - tickPadding) / 2 + dx) - halfLineWidth; } label.setAttributes({ translationX: translation }, true); break; case 'right': titlePadding = titleBBox ? clipRect[2] - titleBBox.x : 0; switch (label.attr.textAlign) { case 'start': translation = surface.roundPixel(tickPadding + dx) + halfLineWidth; break; case 'end': translation = surface.roundPixel(clipRect[2] - titlePadding + dx) + halfLineWidth; break; default: // 'center' translation = surface.roundPixel(tickPadding + (clipRect[2] - tickPadding - titlePadding) / 2 + dx) + halfLineWidth; } label.setAttributes({ translationX: translation }, true); break; case 'top': titlePadding = titleBBox ? titleBBox.y + titleBBox.height: 0; label.setAttributes({ translationY: surface.roundPixel(titlePadding + (clipRect[3] - titlePadding - tickPadding) / 2) - halfLineWidth }, true); break; case 'bottom': titlePadding = titleBBox ? clipRect[3] - titleBBox.y : 0; label.setAttributes({ translationY: surface.roundPixel(tickPadding + (clipRect[3] - tickPadding - titlePadding) / 2) + halfLineWidth }, true); break; case 'radial' : label.setAttributes({ translationX: attr.centerX }, true); break; case 'angular': label.setAttributes({ translationY: attr.centerY }, true); break; case 'gauge': label.setAttributes({ translationY: attr.centerY }, true); break; } // TODO: there are better ways to detect collision. if (docked === 'left' || docked === 'right') { me.iterate(majorTicks, function (position, labelText, i) { if (labelText === undefined) { return; } if (renderer) { text = Ext.callback(renderer, null, [axis, labelText, layoutContext, lastLabelText], 0, axis); } else { text = segmenter.renderer(labelText, layoutContext, lastLabelText); } lastLabelText = labelText; label.setAttributes({ text: String(text), translationY: surface.roundPixel(position * yy + dy) }, true); label.applyTransformations(); thickness = Math.max(thickness, label.getBBox().width + tickPadding); fly = Ext.draw.Matrix.fly(label.attr.matrix.elements.slice(0)); bbox = fly.prepend.apply(fly, labelInverseMatrix).transformBBox( label.getBBox(true) ); if (lastBBox && !isBBoxIntersect(bbox, lastBBox, textPadding)) { return; } surface.renderSprite(label); lastBBox = bbox; textSize += bbox.height; textCount++; }); } else if (docked === 'top' || docked === 'bottom') { me.iterate(majorTicks, function (position, labelText, i) { if (labelText === undefined) { return; } if (renderer) { text = Ext.callback(renderer, null, [axis, labelText, layoutContext, lastLabelText], 0, axis); } else { text = segmenter.renderer(labelText, layoutContext, lastLabelText); } lastLabelText = labelText; label.setAttributes({ text: String(text), translationX: surface.roundPixel(position * xx + dx) }, true); label.applyTransformations(); thickness = Math.max(thickness, label.getBBox().height + tickPadding); fly = Ext.draw.Matrix.fly(label.attr.matrix.elements.slice(0)); bbox = fly.prepend.apply(fly, labelInverseMatrix).transformBBox(label.getBBox(true)); if (lastBBox && !isBBoxIntersect(bbox, lastBBox, textPadding)) { return; } surface.renderSprite(label); lastBBox = bbox; textSize += bbox.width; textCount++; }); } else if (docked === 'radial') { me.iterate(majorTicks, function (position, labelText, i) { if (labelText === undefined) { return; } if (renderer) { text = Ext.callback(renderer, null, [axis, labelText, layoutContext, lastLabelText], 0, axis); } else { text = segmenter.renderer(labelText, layoutContext, lastLabelText); } lastLabelText = labelText; if (typeof text !== 'undefined') { label.setAttributes({ text: String(text), translationX: attr.centerX - surface.roundPixel(position) / attr.max * attr.length * Math.cos(attr.baseRotation + Math.PI / 2), translationY: attr.centerY - surface.roundPixel(position) / attr.max * attr.length * Math.sin(attr.baseRotation + Math.PI / 2) }, true); label.applyTransformations(); bbox = label.attr.matrix.transformBBox(label.getBBox(true)); if (lastBBox && !isBBoxIntersect(bbox, lastBBox)) { return; } surface.renderSprite(label); lastBBox = bbox; textSize += bbox.width; textCount++; } }); } else if (docked === 'angular') { labelOffset += attr.majorTickSize + attr.lineWidth * 0.5; me.iterate(majorTicks, function (position, labelText, i) { if (labelText === undefined) { return; } if (renderer) { text = Ext.callback(renderer, null, [axis, labelText, layoutContext, lastLabelText], 0, axis); } else { text = segmenter.renderer(labelText, layoutContext, lastLabelText); } lastLabelText = labelText; thickness = Math.max(thickness, Math.max(attr.majorTickSize, attr.minorTickSize) + (attr.lineCap !== 'butt' ? attr.lineWidth * 0.5 : 0) ); if (typeof text !== 'undefined') { var angle = position / (attr.max + 1) * Math.PI * 2 + attr.baseRotation; label.setAttributes({ text: String(text), translationX: attr.centerX + (attr.length + labelOffset) * Math.cos(angle), translationY: attr.centerY + (attr.length + labelOffset) * Math.sin(angle) }, true); label.applyTransformations(); bbox = label.attr.matrix.transformBBox(label.getBBox(true)); if (lastBBox && !isBBoxIntersect(bbox, lastBBox)) { return; } surface.renderSprite(label); lastBBox = bbox; textSize += bbox.width; textCount++; } }); } else if (docked === 'gauge') { gaugeAngles = me.getGaugeAngles(); labelOffset += attr.majorTickSize + attr.lineWidth * 0.5; me.iterate(majorTicks, function (position, labelText, i) { if (labelText === undefined) { return; } if (renderer) { text = Ext.callback(renderer, null, [axis, labelText, layoutContext, lastLabelText], 0, axis); } else { text = segmenter.renderer(labelText, layoutContext, lastLabelText); } lastLabelText = labelText; if (typeof text !== 'undefined') { var angle = (position - attr.min) / (attr.max - attr.min) * attr.totalAngle - attr.totalAngle + gaugeAngles.start; label.setAttributes({ text: String(text), translationX: attr.centerX + (attr.length + labelOffset) * Math.cos(angle), translationY: attr.centerY + (attr.length + labelOffset) * Math.sin(angle) }, true); label.applyTransformations(); bbox = label.attr.matrix.transformBBox(label.getBBox(true)); if (lastBBox && !isBBoxIntersect(bbox, lastBBox)) { return; } surface.renderSprite(label); lastBBox = bbox; textSize += bbox.width; textCount++; } }); } if (attr.enlargeEstStepSizeByText && textCount) { textSize /= textCount; textSize += tickPadding; textSize *= 2; if (attr.estStepSize < textSize) { attr.estStepSize = textSize; } } if (Math.abs(me.thickness - thickness) > 1) { me.thickness = thickness; attr.bbox.plain.dirty = true; attr.bbox.transform.dirty = true; me.doThicknessChanged(); return false; } } }, renderAxisLine: function (surface, ctx, layout, clipRect) { var me = this, attr = me.attr, halfLineWidth = attr.lineWidth * 0.5, docked = attr.position, position, gaugeAngles; if (attr.axisLine && attr.length) { switch (docked) { case 'left': position = surface.roundPixel(clipRect[2]) - halfLineWidth; ctx.moveTo(position, -attr.endGap); ctx.lineTo(position, attr.length + attr.startGap + 1); break; case 'right': ctx.moveTo(halfLineWidth, -attr.endGap); ctx.lineTo(halfLineWidth, attr.length + attr.startGap + 1); break; case 'bottom': ctx.moveTo(-attr.startGap, halfLineWidth); ctx.lineTo(attr.length + attr.endGap, halfLineWidth); break; case 'top': position = surface.roundPixel(clipRect[3]) - halfLineWidth; ctx.moveTo(-attr.startGap, position); ctx.lineTo(attr.length + attr.endGap, position); break; case 'angular': ctx.moveTo(attr.centerX + attr.length, attr.centerY); ctx.arc(attr.centerX, attr.centerY, attr.length, 0, Math.PI * 2, true); break; case 'gauge': gaugeAngles = me.getGaugeAngles(); ctx.moveTo(attr.centerX + Math.cos(gaugeAngles.start) * attr.length, attr.centerY + Math.sin(gaugeAngles.start) * attr.length); ctx.arc(attr.centerX, attr.centerY, attr.length, gaugeAngles.start, gaugeAngles.end, true); break; } } }, getGaugeAngles: function () { var me = this, angle = me.attr.totalAngle, offset; if (angle <= Math.PI) { offset = (Math.PI - angle) * 0.5; } else { offset = -(Math.PI * 2 - angle) * 0.5; } offset = Math.PI * 2 - offset; return { start: offset, end: offset - angle }; }, renderGridLines: function (surface, ctx, layout, clipRect) { var me = this, axis = me.getAxis(), attr = me.attr, matrix = attr.matrix, startGap = attr.startGap, endGap = attr.endGap, xx = matrix.getXX(), yy = matrix.getYY(), dx = matrix.getDX(), dy = matrix.getDY(), position = attr.position, alignment = axis.getGridAlignment(), majorTicks = layout.majorTicks, anchor, j, lastAnchor; if (attr.grid) { if (majorTicks) { if (position === 'left' || position === 'right') { lastAnchor = attr.min * yy + dy + endGap + startGap; me.iterate(majorTicks, function (position, labelText, i) { anchor = position * yy + dy + endGap; me.putMarker(alignment + '-' + (i % 2 ? 'odd' : 'even'), { y: anchor, height: lastAnchor - anchor }, j = i, true); lastAnchor = anchor; }); j++; anchor = 0; me.putMarker(alignment + '-' + (j % 2 ? 'odd' : 'even'), { y: anchor, height: lastAnchor - anchor }, j, true); } else if (position === 'top' || position === 'bottom') { lastAnchor = attr.min * xx + dx + startGap; if (startGap) { me.putMarker(alignment + '-even', { x: 0, width: lastAnchor }, -1, true); } me.iterate(majorTicks, function (position, labelText, i) { anchor = position * xx + dx + startGap; me.putMarker(alignment + '-' + (i % 2 ? 'odd' : 'even'), { x: anchor, width: lastAnchor - anchor }, j = i, true); lastAnchor = anchor; }); j++; anchor = attr.length + attr.startGap + attr.endGap; me.putMarker(alignment + '-' + (j % 2 ? 'odd' : 'even'), { x: anchor, width: lastAnchor - anchor }, j, true); } else if (position === 'radial') { me.iterate(majorTicks, function (position, labelText, i) { if (!position) { return; } anchor = position / attr.max * attr.length; me.putMarker(alignment + '-' + (i % 2 ? 'odd' : 'even'), { scalingX: anchor, scalingY: anchor }, i, true); lastAnchor = anchor; }); } else if (position === 'angular') { me.iterate(majorTicks, function (position, labelText, i) { if (!attr.length) { return; } anchor = position / (attr.max + 1) * Math.PI * 2 + attr.baseRotation; me.putMarker(alignment + '-' + (i % 2 ? 'odd' : 'even'), { rotationRads: anchor, rotationCenterX: 0, rotationCenterY: 0, scalingX: attr.length, scalingY: attr.length }, i, true); lastAnchor = anchor; }); } } } }, renderLimits: function (clipRect) { var me = this, attr = me.attr, axis = me.getAxis(), limits = Ext.Array.from(axis.getLimits()); if (!limits.length || attr.dataMin === attr.dataMax) { if (axis.limits) { axis.limits.titles.attr.hidden = true; } return; } var chart = axis.getChart(), innerPadding = chart.getInnerPadding(), limitsRect = axis.limits.surface.getRect(), matrix = attr.matrix, position = attr.position, chain = Ext.Object.chain, titles = axis.limits.titles, titleBBox, titlePosition, titleFlip, limit, value, i, ln, x, y; titles.attr.hidden = false; titles.instances = []; titles.position = 0; if (position === 'left' || position === 'right') { for (i = 0, ln = limits.length; i < ln; i++) { limit = chain(limits[i]); !limit.line && (limit.line = {}); value = Ext.isString(limit.value) ? axis.getCoordFor(limit.value) : limit.value; value = value * matrix.getYY() + matrix.getDY(); limit.line.y = value + innerPadding.top; limit.line.strokeStyle = limit.line.strokeStyle || attr.strokeStyle; me.putMarker('horizontal-limit-lines', limit.line, i, true); if (limit.line.title) { titles.add(limit.line.title); titleBBox = titles.getBBoxFor(titles.position - 1); titlePosition = limit.line.title.position || (position === 'left' ? 'start' : 'end'); switch (titlePosition) { case 'start': x = 10; break; case 'end': x = limitsRect[2] - 10; break; case 'middle': x = limitsRect[2] / 2; break; } titles.setAttributesFor(titles.position - 1, { x: x, y: limit.line.y - titleBBox.height / 2, textAlign: titlePosition, fillStyle: limit.line.title.fillStyle || limit.line.strokeStyle }); } } } else if (position === 'top' || position === 'bottom') { for (i = 0, ln = limits.length; i < ln; i++) { limit = chain(limits[i]); !limit.line && (limit.line = {}); value = Ext.isString(limit.value) ? axis.getCoordFor(limit.value) : limit.value; value = value * matrix.getXX() + matrix.getDX(); limit.line.x = value + innerPadding.left; limit.line.strokeStyle = limit.line.strokeStyle || attr.strokeStyle; me.putMarker('vertical-limit-lines', limit.line, i, true); if (limit.line.title) { titles.add(limit.line.title); titleBBox = titles.getBBoxFor(titles.position - 1); titlePosition = limit.line.title.position || (position === 'top' ? 'end' : 'start'); switch (titlePosition) { case 'start': y = limitsRect[3] - titleBBox.width / 2 - 10; break; case 'end': y = titleBBox.width / 2 + 10; break; case 'middle': y = limitsRect[3] / 2; break; } titles.setAttributesFor(titles.position - 1, { x: limit.line.x + titleBBox.height / 2, y: y, fillStyle: limit.line.title.fillStyle || limit.line.strokeStyle, rotationRads: Math.PI / 2 }); } } } else if (position === 'radial') { for (i = 0, ln = limits.length; i < ln; i++) { limit = chain(limits[i]); !limit.line && (limit.line = {}); value = Ext.isString(limit.value) ? axis.getCoordFor(limit.value) : limit.value; if (value > attr.max) { continue; } value = value / attr.max * attr.length; limit.line.cx = attr.centerX; limit.line.cy = attr.centerY; limit.line.scalingX = value; limit.line.scalingY = value; limit.line.strokeStyle = limit.line.strokeStyle || attr.strokeStyle; me.putMarker('circular-limit-lines', limit.line, i, true); if (limit.line.title) { titles.add(limit.line.title); titleBBox = titles.getBBoxFor(titles.position - 1); titles.setAttributesFor(titles.position - 1, { x: attr.centerX, y: attr.centerY - value - titleBBox.height / 2, fillStyle: limit.line.title.fillStyle || limit.line.strokeStyle }); } } } else if (position === 'angular') { for (i = 0, ln = limits.length; i < ln; i++) { limit = chain(limits[i]); !limit.line && (limit.line = {}); value = Ext.isString(limit.value) ? axis.getCoordFor(limit.value) : limit.value; value = value / (attr.max + 1) * Math.PI * 2 + attr.baseRotation; limit.line.translationX = attr.centerX; limit.line.translationY = attr.centerY; limit.line.rotationRads = value; limit.line.rotationCenterX = 0; limit.line.rotationCenterY = 0; limit.line.scalingX = attr.length; limit.line.scalingY = attr.length; limit.line.strokeStyle = limit.line.strokeStyle || attr.strokeStyle; me.putMarker('radial-limit-lines', limit.line, i, true); if (limit.line.title) { titles.add(limit.line.title); titleBBox = titles.getBBoxFor(titles.position - 1); titleFlip = ((value > -0.5 * Math.PI && value < 0.5 * Math.PI) || (value > 1.5 * Math.PI && value < 2 * Math.PI)) ? 1 : -1; titles.setAttributesFor(titles.position - 1, { x: attr.centerX + 0.5 * attr.length * Math.cos(value) + titleFlip * titleBBox.height / 2 * Math.sin(value), y: attr.centerY + 0.5 * attr.length * Math.sin(value) - titleFlip * titleBBox.height / 2 * Math.cos(value), rotationRads: titleFlip === 1 ? value : value - Math.PI, fillStyle: limit.line.title.fillStyle || limit.line.strokeStyle }); } } } else if (position === 'gauge') { } }, doThicknessChanged: function () { var axis = this.getAxis(); if (axis) { axis.onThicknessChanged(); } }, render: function (surface, ctx, rect) { var me = this, layoutContext = me.getLayoutContext(); if (layoutContext) { if (false === me.renderLabels(surface, ctx, layoutContext, rect)) { return false; } ctx.beginPath(); me.renderTicks(surface, ctx, layoutContext, rect); me.renderAxisLine(surface, ctx, layoutContext, rect); me.renderGridLines(surface, ctx, layoutContext, rect); me.renderLimits(rect); ctx.stroke(); } }}); /* Moved TODO comments to bottom TODO(touch-2.2): Split different types of axis into different sprite classes.*/