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| define(["require", "exports", "../../smithchart/utils/helper", "../../smithchart/utils/utils", "../model/constant"], function (require, exports, helper_1, utils_1, constant_1) {
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var SmithchartLegend = (function () {
function SmithchartLegend() {
this.legendSeries = [];
}
SmithchartLegend.prototype.renderLegend = function (smithchart) {
this._drawLegend(smithchart);
};
SmithchartLegend.prototype.calculateLegendBounds = function (smithchart) {
this.legendSeries = [];
var padding = 10;
var legend = smithchart.legendSettings;
var legendSizeHeight = legend.height;
var legendSizeWidth = legend.width;
var itemPadding = legend.itemPadding > 0 ? legend.itemPadding : 0;
var position = legend.position.toLowerCase();
var font = legend.title.textStyle;
var width = 0;
var height = 0;
var legendItemWidth = 0;
var legendItemHeight = 0;
var legendHeight = 0;
var svgObjectWidth = smithchart.availableSize.width - ((smithchart.elementSpacing * 4) - (legend.border.width * 2)
+ (smithchart.border.width * 2));
var rowCount = legend.rowCount;
var columnCount = legend.columnCount;
var titleSize = helper_1.measureText(smithchart.legendSettings['title']['text'], font, smithchart.themeStyle.legendTitleFont);
var maxRowWidth = 0;
var totalRowHeight = 0;
var curRowWidth = 0;
var curRowHeight = 0;
var allowItems;
var itemsCountRow = 0;
var length = smithchart.series.length;
var legendBounds;
Eif (smithchart.legendSettings.visible && length !== 0) {
if (position === 'bottom' || position === 'top' || position === 'custom') {
if ((rowCount && columnCount) && (rowCount <= columnCount)) {
rowCount = length / columnCount;
}
else Iif (rowCount == null && columnCount != null) {
rowCount = length / columnCount;
}
else Eif (rowCount == null && columnCount == null) {
rowCount = 1;
}
Eif (rowCount) {
allowItems = Math.ceil(length / rowCount);
}
}
else {
if ((rowCount && columnCount) && (rowCount <= columnCount)) {
columnCount = length / rowCount;
}
else if (rowCount != null && columnCount == null) {
columnCount = length / rowCount;
}
else if (rowCount == null && columnCount == null) {
columnCount = 1;
}
Eif (columnCount) {
allowItems = columnCount;
}
}
for (var i = 0; i < length; i++) {
this.legendSeries.push({
text: smithchart.series[i]['name'] ? smithchart.series[i]['name'] : 'series' + i,
seriesIndex: i,
shape: smithchart.legendSettings.shape,
fill: smithchart.series[i].fill || smithchart.seriesColors[i % smithchart.seriesColors.length],
bounds: null
});
var legendsize = this._getLegendSize(smithchart, this.legendSeries[i]);
legendItemWidth = Math.max(legendsize['width'], legendItemWidth);
legendItemHeight = Math.max(legendsize['height'], legendItemHeight);
this.legendSeries[i]['bounds'] = { width: legendItemWidth, height: legendItemHeight };
itemsCountRow = itemsCountRow + 1;
curRowWidth = curRowWidth + legendItemWidth + itemPadding;
curRowHeight = Math.max(legendItemHeight, curRowHeight);
if (position === 'top' || position === 'bottom' || position === 'custom') {
if (curRowWidth > svgObjectWidth) {
curRowWidth -= legendsize.width + itemPadding;
maxRowWidth = Math.max(maxRowWidth, curRowWidth);
curRowWidth = legendsize.width + itemPadding;
totalRowHeight = totalRowHeight + curRowHeight + itemPadding;
}
}
if (itemsCountRow === allowItems || i === length - 1) {
maxRowWidth = Math.max(maxRowWidth, curRowWidth);
totalRowHeight = totalRowHeight + curRowHeight + itemPadding;
legendHeight = totalRowHeight;
itemsCountRow = 0;
curRowHeight = 0;
curRowWidth = 0;
}
}
width = (titleSize.width) > maxRowWidth - itemPadding ? (titleSize.width + padding * 2 + itemPadding) :
maxRowWidth + padding * 2 - (smithchart.border.width * 2);
height = legendHeight + smithchart.elementSpacing;
legendBounds = { x: 0, y: 0, width: width, height: height };
}
this.legendActualBounds = legendBounds;
if (legendSizeWidth != null) {
this.legendActualBounds.width = legendSizeWidth;
}
if (legendSizeHeight != null) {
this.legendActualBounds.height = legendSizeHeight;
}
return this.legendActualBounds;
};
SmithchartLegend.prototype._getLegendSize = function (smithchart, series) {
var legend = smithchart.legendSettings;
var symbolWidth = legend.itemStyle.width;
var symbolHeight = legend.itemStyle.height;
var textSize = helper_1.measureText(series.text, legend.textStyle, smithchart.themeStyle.legendLabelFont);
var width = symbolWidth + textSize.width + legend.shapePadding;
var height = Math.max(symbolHeight, textSize.height);
return { width: width, height: height };
};
SmithchartLegend.prototype._drawLegend = function (smithchart) {
var legend = smithchart.legendSettings;
var legendPosition = legend.position.toLowerCase();
var alignment = legend.alignment;
var legendBounds = this.legendActualBounds;
var maxWidth = 0;
var startX;
var startY;
var titleFont = smithchart.title.font ? smithchart.title.font : smithchart.title.textStyle;
var smithchartTitleHeight = helper_1.measureText(smithchart.title.text, titleFont, smithchart.themeStyle.legendLabelFont).height;
var smithchartSubtitleHeight = helper_1.measureText(smithchart.title.subtitle.text, smithchart.title.subtitle.textStyle, smithchart.themeStyle.legendLabelFont).height;
var elementSpacing = smithchart.elementSpacing;
var offset = smithchartTitleHeight + smithchartSubtitleHeight + elementSpacing + smithchart.margin.top;
var itemPadding = legend.itemPadding > 0 ? legend.itemPadding : 0;
var svgObjectWidth = smithchart.availableSize.width;
var svgObjectHeight = smithchart.availableSize.height;
var legendBorder = legend.border.width;
var legendWidth = 0;
var titleSize = helper_1.measureText(legend['title']['text'], legend.title.textStyle, smithchart.themeStyle.legendLabelFont);
var legendTitleHeight = titleSize.height;
var borderSize = smithchart.border.width;
var svgWidth = svgObjectWidth - ((borderSize * 2));
var svgHeight = svgObjectHeight - ((borderSize * 2));
legendBounds.height += legendTitleHeight;
if (legendPosition !== 'custom') {
switch (legendPosition) {
case 'bottom':
legendBounds.y = svgHeight - (legendBounds.height + (legendBorder) + elementSpacing);
break;
case 'top':
legendBounds.y = borderSize + offset;
break;
case 'right':
legendBounds.x = svgWidth - legendBounds.width - (elementSpacing * 2);
break;
case 'left':
legendBounds.x = borderSize + (elementSpacing * 2);
break;
}
if (legendPosition === 'left' || legendPosition === 'right') {
switch (alignment) {
case 'Center':
legendBounds.y = (svgHeight / 2) - ((legendBounds.height + legendBorder * 2) / 2) + (elementSpacing / 2);
break;
case 'Near':
legendBounds.y = borderSize + (elementSpacing * 2) + offset;
break;
case 'Far':
legendBounds.y = svgHeight - (legendBounds.height + (legendBorder)) - (elementSpacing * 2);
break;
}
}
else {
switch (alignment) {
case 'Center':
legendBounds.x = (svgWidth / 2) - ((legendBounds.width + legendBorder * 2) / 2) + (elementSpacing / 2);
break;
case 'Near':
legendBounds.x = borderSize + (elementSpacing * 2);
break;
case 'Far':
legendBounds.x = svgWidth - (legendBounds.width + (legendBorder)) - (elementSpacing * 2);
break;
}
}
}
else {
legendBounds.y = (legend.location.y < svgHeight) ? legend.location.y : 0;
legendBounds.x = (legend.location.x < svgWidth) ? legend.location.x : 0;
}
if (legendPosition === 'bottom' || legendPosition === 'top') {
for (var i = 0; i < this.legendSeries.length; i++) {
legendWidth += this.legendSeries[i].bounds.width + itemPadding;
if (legendWidth > svgWidth) {
legendBounds.x = (svgWidth / 2) - ((legendBounds.width + legendBorder * 2) / 2) + (elementSpacing / 2);
break;
}
}
}
var gLegendEle = smithchart.renderer.createGroup({ 'id': smithchart.element.id + '_legend_group' });
smithchart.svgObject.appendChild(gLegendEle);
this.legendItemGroup = smithchart.renderer.createGroup({ 'id': smithchart.element.id + 'legendItem_Group' });
var currentX = startX = elementSpacing;
var currentY = startY = elementSpacing;
if (legend.title.text !== '' && legend.title.visible) {
gLegendEle.appendChild(this.drawLegendTitle(smithchart, legend, legendBounds, gLegendEle));
currentY = startY = elementSpacing + legendTitleHeight;
}
for (var k = 0; k < this.legendSeries.length; k++) {
if ((legend.rowCount < legend.columnCount || legend.rowCount === legend.columnCount) &&
(legendPosition === 'top' || legendPosition === 'bottom' || legendPosition === 'custom')) {
if ((currentX + this.legendSeries[k]['bounds'].width) > legendBounds.width + startX) {
currentX = elementSpacing;
currentY += this.legendSeries[k]['bounds'].height + itemPadding;
}
this.legendGroup = this.drawLegendItem(smithchart, legend, this.legendSeries[k], k, currentX, (currentY));
gLegendEle.appendChild(this.legendGroup);
currentX += this.legendSeries[k]['bounds'].width + itemPadding;
}
else {
if (((currentY + this.legendSeries[k]['bounds'].height + itemPadding) +
legendTitleHeight + borderSize > legendBounds.height + startY)) {
currentY = startY;
currentX += maxWidth + (itemPadding);
}
this.legendGroup = this.drawLegendItem(smithchart, legend, this.legendSeries[k], k, (currentX), (currentY));
gLegendEle.appendChild(this.legendGroup);
currentY += this.legendSeries[k]['bounds'].height + itemPadding;
maxWidth = Math.max(maxWidth, this.legendSeries[k]['bounds'].width);
}
}
gLegendEle.setAttribute('transform', 'translate(' + legendBounds.x.toString() + ',' + legendBounds.y.toString() + ')');
this.drawLegendBorder(gLegendEle, smithchart, legend, legendBounds);
};
SmithchartLegend.prototype.drawLegendBorder = function (gLegendEle, smithchart, legend, legendBounds) {
var borderRect = new helper_1.RectOption(smithchart.element.id + '_svg' + '_legendRect', 'none', legend.border, 1, new utils_1.SmithchartRect(0, 0, legendBounds.width, legendBounds.height));
gLegendEle.appendChild(smithchart.renderer.drawRectangle(borderRect));
};
SmithchartLegend.prototype.drawLegendTitle = function (smithchart, legend, legendBounds, gLegendEle) {
var elementSpacing = smithchart.elementSpacing;
var titleSize = helper_1.measureText(legend.title.text, legend.title.textStyle, smithchart.themeStyle.legendLabelFont);
var titleWidth = titleSize.width;
var titleHeight = titleSize.height;
var textAlignment = legend.title.textAlignment;
var startX = 0;
var legendBoundsWidth = legendBounds.width;
var startY = elementSpacing + (titleHeight / 2);
switch (textAlignment) {
case 'Far':
startX = legendBoundsWidth - titleWidth - startX;
break;
case 'Center':
startX = legendBoundsWidth / 2 - (titleWidth) / 2;
break;
}
Iif (startX < 0) {
startX = 0;
legendBoundsWidth = titleWidth;
}
Iif (legendBoundsWidth < titleWidth + startX) {
legendBoundsWidth = titleWidth + startX;
}
var options = new helper_1.TextOption(smithchart.element.id + '_LegendTitleText', startX, startY, 'start', legend.title.text);
var element = helper_1.renderTextElement(options, legend.title.textStyle, legend.title.textStyle.color ||
smithchart.themeStyle.legendTitleFont.color, gLegendEle, smithchart.themeStyle.legendTitleFont);
element.setAttribute('aria-label', legend.title.description || legend.title.text);
return element;
};
SmithchartLegend.prototype.drawLegendItem = function (smithchart, legend, legendSeries, k, x, y) {
var _this = this;
var symbol = legend.itemStyle;
var textHeight = helper_1.measureText(legendSeries['text'], legend.textStyle, smithchart.themeStyle.legendLabelFont).height;
var location = {
x: x + symbol['width'] / 2,
y: (y + (textHeight > symbol['height'] ? textHeight : symbol['height']) / 2)
};
var legendGroup = smithchart.renderer.createGroup({ id: smithchart.element.id + '_svg' + '_Legend' + k.toString() });
legendGroup['style']['cursor'] = legend.toggleVisibility ? 'pointer' : 'default';
legendGroup.setAttribute('tabindex', k === 0 ? '0' : '');
var legendEventArgs = {
text: legendSeries['text'],
fill: legendSeries['fill'],
shape: legendSeries['shape'],
name: constant_1.legendRender,
cancel: false
};
var legendRenderSuccess = function (args) {
if (!args.cancel) {
var shape = _this.drawLegendShape(smithchart, legendSeries, location.x, location.y, k, legend, args);
legendGroup.appendChild(shape);
var options = new helper_1.TextOption(smithchart.element.id + '_LegendItemText' + k.toString(), location.x + symbol['width'] / 2 + legend.shapePadding, location.y + textHeight / 4, 'start', args.text);
legend.textStyle.fontFamily = legend.textStyle.fontFamily || smithchart.themeStyle.legendLabelFont.fontFamily;
legend.textStyle.size = legend.textStyle.size || smithchart.themeStyle.legendLabelFont.size;
var element = helper_1.renderTextElement(options, legend.textStyle, legend.textStyle.color ||
smithchart.themeStyle.legendLabelFont.color, legendGroup, smithchart.themeStyle.legendLabelFont);
legendGroup.setAttribute('aria-label', legend.description || ('Show ' + options.text));
legendGroup.setAttribute('role', 'button');
legendGroup.appendChild(element);
_this.legendItemGroup.appendChild(legendGroup);
}
};
legendRenderSuccess.bind(this);
smithchart.trigger(constant_1.legendRender, legendEventArgs, legendRenderSuccess);
return this.legendItemGroup;
};
SmithchartLegend.prototype.drawLegendShape = function (smithchart, legendSeries, locX, locY, index, legend, legendEventArgs) {
var element;
var circleOptions;
var pathOptions;
var path;
var symbol = legend.itemStyle;
var width = symbol['width'];
var height = symbol['height'];
var x = locX + (-width / 2);
var border = { color: symbol.border.color, width: symbol.border.width };
var opacity = 1;
var fill = (smithchart.series[index].visibility === 'visible') ? legendEventArgs.fill : 'grey';
var shape = legendEventArgs.shape.toLowerCase();
var radius = Math.sqrt(height * height + width * width) / 2;
switch (shape) {
case 'circle':
circleOptions = new helper_1.CircleOption(smithchart.element.id + '_svg' + '_LegendItemShape' + index.toString(), fill, border, opacity, locX, locY, radius, null);
element = smithchart.renderer.drawCircle(circleOptions);
break;
case 'rectangle':
path = 'M' + ' ' + x + ' ' + (locY + (-height / 2)) + ' ' +
'L' + ' ' + ((width / 2) + locX) + ' ' + (locY + (-height / 2)) + ' ' +
'L' + ' ' + (locX + (width / 2)) + ' ' + (locY + (height / 2)) + ' ' +
'L' + ' ' + x + ' ' + (locY + (height / 2)) + ' ' +
'L' + ' ' + x + ' ' + (locY + (-height / 2)) + ' z';
pathOptions = new helper_1.PathOption(smithchart.element.id + '_svg' + '_LegendItemShape' + index.toString(), fill, border.width, border.color, 1, '', path);
element = smithchart.renderer.drawPath(pathOptions);
break;
case 'diamond':
path = 'M' + ' ' + x + ' ' + locY + ' ' +
'L' + ' ' + locX + ' ' + (locY + (-height / 2)) + ' ' +
'L' + ' ' + ((width / 2) + locX) + ' ' + locY + ' ' +
'L' + ' ' + locX + ' ' + (locY + (height / 2)) + ' ' +
'L' + ' ' + x + ' ' + locY + ' z';
pathOptions = new helper_1.PathOption(smithchart.element.id + '_svg' + '_LegendItemShape' + index.toString(), fill, border.width, border.color, 1, '', path);
element = smithchart.renderer.drawPath(pathOptions);
break;
case 'pentagon': {
var eq = 72;
for (var j = 0; j <= 5; j++) {
var xValue = radius * Math.cos((Math.PI / 180) * (j * eq));
var yValue = radius * Math.sin((Math.PI / 180) * (j * eq));
if (j === 0) {
path = 'M' + ' ' + (xValue + locX) + ' ' + (locY + yValue) + ' ';
}
else {
path = path.concat('L' + ' ' + (locX + xValue) + ' ' + (locY + yValue) + ' ');
}
}
path = path.concat('Z');
pathOptions = new helper_1.PathOption(smithchart.element.id + '_svg' + '_LegendItemShape' + index.toString(), fill, border.width, border.color, 1, '', path);
element = smithchart.renderer.drawPath(pathOptions);
break;
}
case 'triangle':
path = 'M' + ' ' + x + ' ' + ((height / 2) + locY) + ' ' +
'L' + ' ' + locX + ' ' + (locY + (-height / 2)) + ' ' +
'L' + ' ' + (locX + (width / 2)) + ' ' + (locY + (height / 2)) + ' ' +
'L' + ' ' + x + ' ' + (locY + (height / 2)) + ' Z';
pathOptions = new helper_1.PathOption(smithchart.element.id + '_svg' + '_LegendItemShape' + index.toString(), fill, border.width, border.color, 1, '', path);
element = smithchart.renderer.drawPath(pathOptions);
break;
}
return element;
};
SmithchartLegend.prototype.getModuleName = function () {
return 'SmithchartLegend';
};
SmithchartLegend.prototype.destroy = function () {
};
return SmithchartLegend;
}());
exports.SmithchartLegend = SmithchartLegend;
});
|