Chart.js
资源名称:ext-3.0.0.zip [点击查看]
上传用户:shuoshiled
上传日期:2018-01-28
资源大小:10124k
文件大小:19k
源码类别:
中间件编程
开发平台:
JavaScript
- /*! * Ext JS Library 3.0.0 * Copyright(c) 2006-2009 Ext JS, LLC * licensing@extjs.com * http://www.extjs.com/license */ /**
- * @class Ext.chart.Chart
- * @extends Ext.FlashComponent
- * The Ext.chart package provides the capability to visualize data with flash based charting.
- * Each chart binds directly to an Ext.data.Store enabling automatic updates of the chart.
- * @constructor
- * @xtype chart
- */
- Ext.chart.Chart = Ext.extend(Ext.FlashComponent, {
- refreshBuffer: 100,
- /**
- * @cfg {Object} chartStyle
- * Sets styles for this chart. Contains a number of default values. Modifying this property will override
- * the base styles on the chart.
- */
- chartStyle: {
- padding: 10,
- animationEnabled: true,
- font: {
- name: 'Tahoma',
- color: 0x444444,
- size: 11
- },
- dataTip: {
- padding: 5,
- border: {
- color: 0x99bbe8,
- size:1
- },
- background: {
- color: 0xDAE7F6,
- alpha: .9
- },
- font: {
- name: 'Tahoma',
- color: 0x15428B,
- size: 10,
- bold: true
- }
- }
- },
- /**
- * @cfg {String} url
- * The url to load the chart from. This defaults to Ext.chart.Chart.CHART_URL, which should
- * be modified to point to the local charts resource.
- */
- /**
- * @cfg {Object} extraStyle
- * Contains extra styles that will be added or overwritten to the default chartStyle. Defaults to <tt>null</tt>.
- */
- extraStyle: null,
- /**
- * @cfg {Boolean} disableCaching
- * True to add a "cache buster" to the end of the chart url. Defaults to true for Opera and IE.
- */
- disableCaching: Ext.isIE || Ext.isOpera,
- disableCacheParam: '_dc',
- initComponent : function(){
- Ext.chart.Chart.superclass.initComponent.call(this);
- if(!this.url){
- this.url = Ext.chart.Chart.CHART_URL;
- }
- if(this.disableCaching){
- this.url = Ext.urlAppend(this.url, String.format('{0}={1}', this.disableCacheParam, new Date().getTime()));
- }
- this.addEvents(
- 'itemmouseover',
- 'itemmouseout',
- 'itemclick',
- 'itemdoubleclick',
- 'itemdragstart',
- 'itemdrag',
- 'itemdragend'
- );
- this.store = Ext.StoreMgr.lookup(this.store);
- },
- /**
- * Sets a single style value on the Chart instance.
- *
- * @param name {String} Name of the Chart style value to change.
- * @param value {Object} New value to pass to the Chart style.
- */
- setStyle: function(name, value){
- this.swf.setStyle(name, Ext.encode(value));
- },
- /**
- * Resets all styles on the Chart instance.
- *
- * @param styles {Object} Initializer for all Chart styles.
- */
- setStyles: function(styles){
- this.swf.setStyles(Ext.encode(styles));
- },
- /**
- * Sets the styles on all series in the Chart.
- *
- * @param styles {Array} Initializer for all Chart series styles.
- */
- setSeriesStyles: function(styles){
- var s = [];
- Ext.each(styles, function(style){
- s.push(Ext.encode(style));
- });
- this.swf.setSeriesStyles(s);
- },
- setCategoryNames : function(names){
- this.swf.setCategoryNames(names);
- },
- setTipRenderer : function(fn){
- var chart = this;
- this.tipFnName = this.createFnProxy(function(item, index, series){
- var record = chart.store.getAt(index);
- return fn(chart, record, index, series);
- }, this.tipFnName);
- this.swf.setDataTipFunction(this.tipFnName);
- },
- setSeries : function(series){
- this.series = series;
- this.refresh();
- },
- /**
- * Changes the data store bound to this chart and refreshes it.
- * @param {Store} store The store to bind to this chart
- */
- bindStore : function(store, initial){
- if(!initial && this.store){
- this.store.un("datachanged", this.refresh, this);
- this.store.un("add", this.delayRefresh, this);
- this.store.un("remove", this.delayRefresh, this);
- this.store.un("update", this.delayRefresh, this);
- this.store.un("clear", this.refresh, this);
- if(store !== this.store && this.store.autoDestroy){
- this.store.destroy();
- }
- }
- if(store){
- store = Ext.StoreMgr.lookup(store);
- store.on({
- scope: this,
- datachanged: this.refresh,
- add: this.delayRefresh,
- remove: this.delayRefresh,
- update: this.delayRefresh,
- clear: this.refresh
- });
- }
- this.store = store;
- if(store && !initial){
- this.refresh();
- }
- },
- onSwfReady : function(isReset){
- Ext.chart.Chart.superclass.onSwfReady.call(this, isReset);
- this.swf.setType(this.type);
- if(this.chartStyle){
- this.setStyles(Ext.apply(this.extraStyle || {}, this.chartStyle));
- }
- if(this.categoryNames){
- this.setCategoryNames(this.categoryNames);
- }
- if(this.tipRenderer){
- this.setTipRenderer(this.tipRenderer);
- }
- if(!isReset){
- this.bindStore(this.store, true);
- }
- this.refresh.defer(10, this);
- },
- delayRefresh : function(){
- if(!this.refreshTask){
- this.refreshTask = new Ext.util.DelayedTask(this.refresh, this);
- }
- this.refreshTask.delay(this.refreshBuffer);
- },
- refresh : function(){
- var styleChanged = false;
- // convert the store data into something YUI charts can understand
- var data = [], rs = this.store.data.items;
- for(var j = 0, len = rs.length; j < len; j++){
- data[j] = rs[j].data;
- }
- //make a copy of the series definitions so that we aren't
- //editing them directly.
- var dataProvider = [];
- var seriesCount = 0;
- var currentSeries = null;
- var i = 0;
- if(this.series){
- seriesCount = this.series.length;
- for(i = 0; i < seriesCount; i++){
- currentSeries = this.series[i];
- var clonedSeries = {};
- for(var prop in currentSeries){
- if(prop == "style" && currentSeries.style !== null){
- clonedSeries.style = Ext.encode(currentSeries.style);
- styleChanged = true;
- //we don't want to modify the styles again next time
- //so null out the style property.
- // this causes issues
- // currentSeries.style = null;
- } else{
- clonedSeries[prop] = currentSeries[prop];
- }
- }
- dataProvider.push(clonedSeries);
- }
- }
- if(seriesCount > 0){
- for(i = 0; i < seriesCount; i++){
- currentSeries = dataProvider[i];
- if(!currentSeries.type){
- currentSeries.type = this.type;
- }
- currentSeries.dataProvider = data;
- }
- } else{
- dataProvider.push({type: this.type, dataProvider: data});
- }
- this.swf.setDataProvider(dataProvider);
- },
- createFnProxy : function(fn, old){
- if(old){
- delete window[old];
- }
- var fnName = "extFnProxy" + (++Ext.chart.Chart.PROXY_FN_ID);
- window[fnName] = fn;
- return fnName;
- },
- onDestroy: function(){
- Ext.chart.Chart.superclass.onDestroy.call(this);
- delete window[this.tipFnName];
- }
- });
- Ext.reg('chart', Ext.chart.Chart);
- Ext.chart.Chart.PROXY_FN_ID = 0;
- /**
- * Sets the url to load the chart from. This should be set to a local resource.
- * @static
- * @type String
- */
- Ext.chart.Chart.CHART_URL = 'http:/' + '/yui.yahooapis.com/2.7.0/build/charts/assets/charts.swf';
- /**
- * @class Ext.chart.PieChart
- * @extends Ext.chart.Chart
- * @constructor
- * @xtype piechart
- */
- Ext.chart.PieChart = Ext.extend(Ext.chart.Chart, {
- type: 'pie',
- onSwfReady : function(isReset){
- Ext.chart.PieChart.superclass.onSwfReady.call(this, isReset);
- this.setDataField(this.dataField);
- this.setCategoryField(this.categoryField);
- },
- setDataField : function(field){
- this.dataField = field;
- this.swf.setDataField(field);
- },
- setCategoryField : function(field){
- this.categoryField = field;
- this.swf.setCategoryField(field);
- }
- });
- Ext.reg('piechart', Ext.chart.PieChart);
- /**
- * @class Ext.chart.CartesianChart
- * @extends Ext.chart.Chart
- * @constructor
- * @xtype cartesianchart
- */
- Ext.chart.CartesianChart = Ext.extend(Ext.chart.Chart, {
- onSwfReady : function(isReset){
- Ext.chart.CartesianChart.superclass.onSwfReady.call(this, isReset);
- if(this.xField){
- this.setXField(this.xField);
- }
- if(this.yField){
- this.setYField(this.yField);
- }
- if(this.xAxis){
- this.setXAxis(this.xAxis);
- }
- if(this.yAxis){
- this.setYAxis(this.yAxis);
- }
- },
- setXField : function(value){
- this.xField = value;
- this.swf.setHorizontalField(value);
- },
- setYField : function(value){
- this.yField = value;
- this.swf.setVerticalField(value);
- },
- setXAxis : function(value){
- this.xAxis = this.createAxis('xAxis', value);
- this.swf.setHorizontalAxis(this.xAxis);
- },
- setYAxis : function(value){
- this.yAxis = this.createAxis('yAxis', value);
- this.swf.setVerticalAxis(this.yAxis);
- },
- createAxis : function(axis, value){
- var o = Ext.apply({}, value), oldFn = null;
- if(this[axis]){
- oldFn = this[axis].labelFunction;
- }
- if(o.labelRenderer){
- var fn = o.labelRenderer;
- o.labelFunction = this.createFnProxy(function(v){
- return fn(v);
- }, oldFn);
- delete o.labelRenderer;
- }
- return o;
- }
- });
- Ext.reg('cartesianchart', Ext.chart.CartesianChart);
- /**
- * @class Ext.chart.LineChart
- * @extends Ext.chart.CartesianChart
- * @constructor
- * @xtype linechart
- */
- Ext.chart.LineChart = Ext.extend(Ext.chart.CartesianChart, {
- type: 'line'
- });
- Ext.reg('linechart', Ext.chart.LineChart);
- /**
- * @class Ext.chart.ColumnChart
- * @extends Ext.chart.CartesianChart
- * @constructor
- * @xtype columnchart
- */
- Ext.chart.ColumnChart = Ext.extend(Ext.chart.CartesianChart, {
- type: 'column'
- });
- Ext.reg('columnchart', Ext.chart.ColumnChart);
- /**
- * @class Ext.chart.StackedColumnChart
- * @extends Ext.chart.CartesianChart
- * @constructor
- * @xtype stackedcolumnchart
- */
- Ext.chart.StackedColumnChart = Ext.extend(Ext.chart.CartesianChart, {
- type: 'stackcolumn'
- });
- Ext.reg('stackedcolumnchart', Ext.chart.StackedColumnChart);
- /**
- * @class Ext.chart.BarChart
- * @extends Ext.chart.CartesianChart
- * @constructor
- * @xtype barchart
- */
- Ext.chart.BarChart = Ext.extend(Ext.chart.CartesianChart, {
- type: 'bar'
- });
- Ext.reg('barchart', Ext.chart.BarChart);
- /**
- * @class Ext.chart.StackedBarChart
- * @extends Ext.chart.CartesianChart
- * @constructor
- * @xtype stackedbarchart
- */
- Ext.chart.StackedBarChart = Ext.extend(Ext.chart.CartesianChart, {
- type: 'stackbar'
- });
- Ext.reg('stackedbarchart', Ext.chart.StackedBarChart);
- /**
- * @class Ext.chart.Axis
- * Defines a CartesianChart's vertical or horizontal axis.
- * @constructor
- */
- Ext.chart.Axis = function(config){
- Ext.apply(this, config);
- };
- Ext.chart.Axis.prototype =
- {
- /**
- * The type of axis.
- *
- * @property type
- * @type String
- */
- type: null,
- /**
- * The direction in which the axis is drawn. May be "horizontal" or "vertical".
- *
- * @property orientation
- * @type String
- */
- orientation: "horizontal",
- /**
- * If true, the items on the axis will be drawn in opposite direction.
- *
- * @property reverse
- * @type Boolean
- */
- reverse: false,
- /**
- * A string reference to the globally-accessible function that may be called to
- * determine each of the label values for this axis.
- *
- * @property labelFunction
- * @type String
- */
- labelFunction: null,
- /**
- * If true, labels that overlap previously drawn labels on the axis will be hidden.
- *
- * @property hideOverlappingLabels
- * @type Boolean
- */
- hideOverlappingLabels: true
- };
- /**
- * @class Ext.chart.NumericAxis
- * @extends Ext.chart.Axis
- * A type of axis whose units are measured in numeric values.
- * @constructor
- */
- Ext.chart.NumericAxis = Ext.extend(Ext.chart.Axis, {
- type: "numeric",
- /**
- * The minimum value drawn by the axis. If not set explicitly, the axis minimum
- * will be calculated automatically.
- *
- * @property minimum
- * @type Number
- */
- minimum: NaN,
- /**
- * The maximum value drawn by the axis. If not set explicitly, the axis maximum
- * will be calculated automatically.
- *
- * @property maximum
- * @type Number
- */
- maximum: NaN,
- /**
- * The spacing between major intervals on this axis.
- *
- * @property majorUnit
- * @type Number
- */
- majorUnit: NaN,
- /**
- * The spacing between minor intervals on this axis.
- *
- * @property minorUnit
- * @type Number
- */
- minorUnit: NaN,
- /**
- * If true, the labels, ticks, gridlines, and other objects will snap to
- * the nearest major or minor unit. If false, their position will be based
- * on the minimum value.
- *
- * @property snapToUnits
- * @type Boolean
- */
- snapToUnits: true,
- /**
- * If true, and the bounds are calculated automatically, either the minimum or
- * maximum will be set to zero.
- *
- * @property alwaysShowZero
- * @type Boolean
- */
- alwaysShowZero: true,
- /**
- * The scaling algorithm to use on this axis. May be "linear" or "logarithmic".
- *
- * @property scale
- * @type String
- */
- scale: "linear"
- });
- /**
- * @class Ext.chart.TimeAxis
- * @extends Ext.chart.Axis
- * A type of axis whose units are measured in time-based values.
- * @constructor
- */
- Ext.chart.TimeAxis = Ext.extend(Ext.chart.Axis, {
- type: "time",
- /**
- * The minimum value drawn by the axis. If not set explicitly, the axis minimum
- * will be calculated automatically.
- *
- * @property minimum
- * @type Date
- */
- minimum: null,
- /**
- * The maximum value drawn by the axis. If not set explicitly, the axis maximum
- * will be calculated automatically.
- *
- * @property maximum
- * @type Number
- */
- maximum: null,
- /**
- * The spacing between major intervals on this axis.
- *
- * @property majorUnit
- * @type Number
- */
- majorUnit: NaN,
- /**
- * The time unit used by the majorUnit.
- *
- * @property majorTimeUnit
- * @type String
- */
- majorTimeUnit: null,
- /**
- * The spacing between minor intervals on this axis.
- *
- * @property majorUnit
- * @type Number
- */
- minorUnit: NaN,
- /**
- * The time unit used by the minorUnit.
- *
- * @property majorTimeUnit
- * @type String
- */
- minorTimeUnit: null,
- /**
- * If true, the labels, ticks, gridlines, and other objects will snap to
- * the nearest major or minor unit. If false, their position will be based
- * on the minimum value.
- *
- * @property snapToUnits
- * @type Boolean
- */
- snapToUnits: true
- });
- /**
- * @class Ext.chart.CategoryAxis
- * @extends Ext.chart.Axis
- * A type of axis that displays items in categories.
- * @constructor
- */
- Ext.chart.CategoryAxis = Ext.extend(Ext.chart.Axis, {
- type: "category",
- /**
- * A list of category names to display along this axis.
- *
- * @property categoryNames
- * @type Array
- */
- categoryNames: null
- });
- /**
- * @class Ext.chart.Series
- * Series class for the charts widget.
- * @constructor
- */
- Ext.chart.Series = function(config) { Ext.apply(this, config); };
- Ext.chart.Series.prototype =
- {
- /**
- * The type of series.
- *
- * @property type
- * @type String
- */
- type: null,
- /**
- * The human-readable name of the series.
- *
- * @property displayName
- * @type String
- */
- displayName: null
- };
- /**
- * @class Ext.chart.CartesianSeries
- * @extends Ext.chart.Series
- * CartesianSeries class for the charts widget.
- * @constructor
- */
- Ext.chart.CartesianSeries = Ext.extend(Ext.chart.Series, {
- /**
- * The field used to access the x-axis value from the items from the data source.
- *
- * @property xField
- * @type String
- */
- xField: null,
- /**
- * The field used to access the y-axis value from the items from the data source.
- *
- * @property yField
- * @type String
- */
- yField: null
- });
- /**
- * @class Ext.chart.ColumnSeries
- * @extends Ext.chart.CartesianSeries
- * ColumnSeries class for the charts widget.
- * @constructor
- */
- Ext.chart.ColumnSeries = Ext.extend(Ext.chart.CartesianSeries, {
- type: "column"
- });
- /**
- * @class Ext.chart.LineSeries
- * @extends Ext.chart.CartesianSeries
- * LineSeries class for the charts widget.
- * @constructor
- */
- Ext.chart.LineSeries = Ext.extend(Ext.chart.CartesianSeries, {
- type: "line"
- });
- /**
- * @class Ext.chart.BarSeries
- * @extends Ext.chart.CartesianSeries
- * BarSeries class for the charts widget.
- * @constructor
- */
- Ext.chart.BarSeries = Ext.extend(Ext.chart.CartesianSeries, {
- type: "bar"
- });
- /**
- * @class Ext.chart.PieSeries
- * @extends Ext.chart.Series
- * PieSeries class for the charts widget.
- * @constructor
- */
- Ext.chart.PieSeries = Ext.extend(Ext.chart.Series, {
- type: "pie",
- dataField: null,
- categoryField: null
- });