devextreme
Version:
HTML5 JavaScript Component Suite for Responsive Web Development
270 lines (257 loc) • 10.5 kB
JavaScript
/**
* DevExtreme (ui/pivot_grid/ui.pivot_grid.chart_integration.js)
* Version: 18.2.18
* Build date: Tue Oct 18 2022
*
* Copyright (c) 2012 - 2022 Developer Express Inc. ALL RIGHTS RESERVED
* Read about DevExtreme licensing here: https://js.devexpress.com/Licensing/
*/
;
var $ = require("../../core/renderer"),
extend = require("../../core/utils/extend").extend,
pivotUtils = require("./ui.pivot_grid.utils"),
each = require("../../core/utils/iterator").each,
foreachTree = pivotUtils.foreachTree,
FORMAT_DICTIONARY = {
number: "numeric",
date: "datetime"
},
UNBIND_KEY = "dxPivotGridUnbinding";
function getFormattedValue(path, fields) {
var value = [],
lastFieldIndex = fields.length - 1;
each(path, function(i, item) {
value.push(item.text || pivotUtils.formatValue(item.value, fields[lastFieldIndex - i]))
});
return value.reverse()
}
function getExpandedLevel(node) {
var level = 0;
foreachTree(node, function(members) {
level = Math.max(level, members.length - 1)
});
return level
}
function processDataCell(processCellArgs, processCell) {
var chartDataItem = processCellArgs.chartDataItem,
processedCell = processCell && processCell(processCellArgs);
if (processedCell) {
chartDataItem = extend({}, chartDataItem, processedCell.chartDataItem);
processedCell = extend({}, processCellArgs, processedCell, {
chartDataItem: chartDataItem
});
return processedCell
}
return processCellArgs
}
function createChartDataSource(pivotGridDataSource, mapOptions, axisDictionary) {
var measureIndex, dataField, rowMemberIndex, rowVisibility, rowPathFormatted, rowPath, columnMemberIndex, columnVisibility, columnPath, columnPathFormatted, data = pivotGridDataSource.getData(),
dataSource = [],
dataFields = pivotGridDataSource.getAreaFields("data"),
rowFields = pivotGridDataSource.getAreaFields("row"),
columnFields = pivotGridDataSource.getAreaFields("column"),
columnElements = [{
index: data.grandTotalColumnIndex,
children: data.columns
}],
rowElements = [{
index: data.grandTotalRowIndex,
children: data.rows
}],
rowLevel = getExpandedLevel(rowElements),
columnLevel = getExpandedLevel(columnElements);
function createDataItem() {
var axis, dataCell = (data.values[rowMemberIndex] || [])[columnMemberIndex] || [],
value = dataCell[measureIndex],
processCellArgs = {
rowPath: rowPath,
maxRowLevel: rowLevel,
rowPathFormatted: rowPathFormatted,
rowFields: rowFields,
columnPathFormatted: columnPathFormatted,
maxColumnLevel: columnLevel,
columnPath: columnPath,
columnFields: columnFields,
dataFields: dataFields,
dataIndex: measureIndex,
dataValues: dataCell,
visible: columnVisibility && rowVisibility
},
seriesName = (mapOptions.inverted ? columnPathFormatted : rowPathFormatted).join(" - "),
argument = (mapOptions.inverted ? rowPathFormatted : columnPathFormatted).join("/");
if (dataFields.length > 1) {
if ("args" === mapOptions.putDataFieldsInto || "both" === mapOptions.putDataFieldsInto) {
argument += " | " + dataField.caption
}
if ("args" !== mapOptions.putDataFieldsInto) {
seriesName += " | " + dataField.caption;
if ("singleAxis" !== mapOptions.dataFieldsDisplayMode) {
axis = dataField.caption
}
}
}
processCellArgs.chartDataItem = {
val: void 0 === value ? null : value,
series: seriesName,
arg: argument
};
processCellArgs = processDataCell(processCellArgs, mapOptions.processCell);
if (processCellArgs.visible) {
axisDictionary[processCellArgs.chartDataItem.series] = axisDictionary[processCellArgs.chartDataItem.series] || axis;
dataSource.push(processCellArgs.chartDataItem)
}
}
function foreachRowColumn(callBack) {
foreachTree(rowElements, function(rowMembers) {
rowMemberIndex = rowMembers[0].index;
rowMembers = rowMembers.slice(0, rowMembers.length - 1);
rowVisibility = rowLevel === rowMembers.length;
rowPath = pivotUtils.createPath(rowMembers);
rowPathFormatted = getFormattedValue(rowMembers, rowFields);
if (0 === rowPath.length) {
rowPathFormatted = [mapOptions.grandTotalText]
}
foreachTree(columnElements, function(columnMembers) {
columnMemberIndex = columnMembers[0].index;
columnMembers = columnMembers.slice(0, columnMembers.length - 1);
columnVisibility = columnLevel === columnMembers.length;
columnPath = pivotUtils.createPath(columnMembers);
columnPathFormatted = getFormattedValue(columnMembers, columnFields);
if (0 === columnPath.length) {
columnPathFormatted = [mapOptions.grandTotalText]
}
callBack()
})
})
}
function foreachDataField(callback) {
each(dataFields, function(index, field) {
dataField = field;
measureIndex = index;
callback()
})
}
if (false === mapOptions.alternateDataFields) {
foreachDataField(function() {
foreachRowColumn(createDataItem)
})
} else {
foreachRowColumn(function() {
foreachDataField(createDataItem)
})
}
return dataSource
}
function createValueAxisOptions(dataSource, options) {
var dataFields = dataSource.getAreaFields("data");
if ("args" !== options.putDataFieldsInto && "singleAxis" !== options.dataFieldsDisplayMode || 1 === dataFields.length) {
var valueAxisSettings = [];
each(dataFields, function(_, dataField) {
var valueAxisOptions = {
name: dataField.caption,
title: dataField.caption,
valueType: FORMAT_DICTIONARY[dataField.dataType] || dataField.dataType,
label: {
format: dataField.format
}
};
if (dataField.customizeText) {
valueAxisOptions.label.customizeText = function(formatObject) {
return dataField.customizeText.call(dataField, formatObject)
}
}
if ("splitPanes" === options.dataFieldsDisplayMode) {
valueAxisOptions.pane = dataField.caption
}
valueAxisSettings.push(valueAxisOptions)
});
return valueAxisSettings
}
return [{}]
}
function createPanesOptions(dataSource, options) {
var panes = [];
var dataFields = dataSource.getAreaFields("data");
if (dataFields.length > 1 && "splitPanes" === options.dataFieldsDisplayMode && "args" !== options.putDataFieldsInto) {
each(dataFields, function(_, dataField) {
panes.push({
name: dataField.caption
})
})
}
if (!panes.length) {
panes.push({})
}
return panes
}
function createChartOptions(dataSource, options) {
var _customizeSeries = options.customizeSeries,
customizeChart = options.customizeChart,
chartOptions = {
valueAxis: createValueAxisOptions(dataSource, options),
panes: createPanesOptions(dataSource, options)
},
axisDictionary = {};
if (customizeChart) {
chartOptions = extend(true, {}, chartOptions, customizeChart(chartOptions))
}
chartOptions.dataSource = createChartDataSource(dataSource, options, axisDictionary);
chartOptions.seriesTemplate = {
nameField: "series",
customizeSeries: function(seriesName) {
var seriesOptions = {};
if ("splitPanes" === options.dataFieldsDisplayMode) {
seriesOptions.pane = axisDictionary[seriesName]
} else {
if ("singleAxis" !== options.dataFieldsDisplayMode) {
seriesOptions.axis = axisDictionary[seriesName]
}
}
if (_customizeSeries) {
seriesOptions = extend(seriesOptions, _customizeSeries(seriesName, seriesOptions))
}
return seriesOptions
}
};
return chartOptions
}
function getChartInstance(chartElement) {
if (!chartElement) {
return false
}
if (chartElement.NAME) {
return "dxChart" === chartElement.NAME && chartElement
}
var element = $(chartElement);
return element.data("dxChart") && element.dxChart("instance")
}
function removeBinding(chart) {
var unbind = chart.$element().data(UNBIND_KEY);
unbind && unbind()
}
module.exports = {
bindChart: function(chart, integrationOptions) {
integrationOptions = extend({}, integrationOptions);
var disposeBinding, that = this,
updateChart = function() {
integrationOptions.grandTotalText = that.option("texts.grandTotal");
var chartOptions = createChartOptions(that.getDataSource(), integrationOptions);
chart.option(chartOptions)
};
chart = getChartInstance(chart);
if (!chart) {
return null
}
removeBinding(chart);
that.on("changed", updateChart);
updateChart();
disposeBinding = function() {
chart.$element().removeData(UNBIND_KEY);
that.off("changed", updateChart)
};
chart.on("disposing", disposeBinding);
this.on("disposing", disposeBinding);
chart.$element().data(UNBIND_KEY, disposeBinding);
return disposeBinding
}
};