/**
* @module echarts/component/toolbox/feature/DataView
*/
define(function (require) {
var zrUtil = require('zrender/core/util');
var eventTool = require('zrender/core/event');
var BLOCK_SPLITER = new Array(60).join('-');
var ITEM_SPLITER = '\t';
/**
* Group series into two types
* 1. on category axis, like line, bar
* 2. others, like scatter, pie
* @param {module:echarts/model/Global} ecModel
* @return {Object}
* @inner
*/
function groupSeries(ecModel) {
var seriesGroupByCategoryAxis = {};
var otherSeries = [];
var meta = [];
ecModel.eachRawSeries(function (seriesModel) {
var coordSys = seriesModel.coordinateSystem;
if (coordSys && (coordSys.type === 'cartesian2d' || coordSys.type === 'polar')) {
var baseAxis = coordSys.getBaseAxis();
if (baseAxis.type === 'category') {
var key = baseAxis.dim + '_' + baseAxis.index;
if (!seriesGroupByCategoryAxis[key]) {
seriesGroupByCategoryAxis[key] = {
categoryAxis: baseAxis,
valueAxis: coordSys.getOtherAxis(baseAxis),
series: []
};
meta.push({
axisDim: baseAxis.dim,
axisIndex: baseAxis.index
});
}
seriesGroupByCategoryAxis[key].series.push(seriesModel);
}
else {
otherSeries.push(seriesModel);
}
}
else {
otherSeries.push(seriesModel);
}
});
return {
seriesGroupByCategoryAxis: seriesGroupByCategoryAxis,
other: otherSeries,
meta: meta
};
}
/**
* Assemble content of series on cateogory axis
* @param {Array.<module:echarts/model/Series>} series
* @return {string}
* @inner
*/
function assembleSeriesWithCategoryAxis(series) {
var tables = [];
zrUtil.each(series, function (group, key) {
var categoryAxis = group.categoryAxis;
var valueAxis = group.valueAxis;
var valueAxisDim = valueAxis.dim;
var headers = [' '].concat(zrUtil.map(group.series, function (series) {
return series.name;
}));
var columns = [categoryAxis.model.getCategories()];
zrUtil.each(group.series, function (series) {
columns.push(series.getRawData().mapArray(valueAxisDim, function (val) {
return val;
}));
});
// Assemble table content
var lines = [headers.join(ITEM_SPLITER)];
for (var i = 0; i < columns[0].length; i++) {
var items = [];
for (var j = 0; j < columns.length; j++) {
items.push(columns[j][i]);
}
lines.push(items.join(ITEM_SPLITER));
}
tables.push(lines.join('\n'));
});
return tables.join('\n\n' + BLOCK_SPLITER + '\n\n');
}
/**
* Assemble content of other series
* @param {Array.<module:echarts/model/Series>} series
* @return {string}
* @inner
*/
function assembleOtherSeries(series) {
return zrUtil.map(series, function (series) {
var data = series.getRawData();
var lines = [series.name];
var vals = [];
data.each(data.dimensions, function () {
var argLen = arguments.length;
var dataIndex = arguments[argLen - 1];
var name = data.getName(dataIndex);
for (var i = 0; i < argLen - 1; i++) {
vals[i] = arguments[i];
}
lines.push((name ? (name + ITEM_SPLITER) : '') + vals.join(ITEM_SPLITER));
});
return lines.join('\n');
}).join('\n\n' + BLOCK_SPLITER + '\n\n');
}
/**
* @param {module:echarts/model/Global}
* @return {string}
* @inner
*/
function getContentFromModel(ecModel) {
var result = groupSeries(ecModel);
return {
value: zrUtil.filter([
assembleSeriesWithCategoryAxis(result.seriesGroupByCategoryAxis),
assembleOtherSeries(result.other)
], function (str) {
return str.replace(/[\n\t\s]/g, '');
}).join('\n\n' + BLOCK_SPLITER + '\n\n'),
meta: result.meta
};
}
function trim(str) {
return str.replace(/^\s\s*/, '').replace(/\s\s*$/, '');
}
/**
* If a block is tsv format
*/
function isTSVFormat(block) {
// Simple method to find out if a block is tsv format
var firstLine = block.slice(0, block.indexOf('\n'));
if (firstLine.indexOf(ITEM_SPLITER) >= 0) {
return true;
}
}
var itemSplitRegex = new RegExp('[' + ITEM_SPLITER + ']+', 'g');
/**
* @param {string} tsv
* @return {Array.<Object>}
*/
function parseTSVContents(tsv) {
var tsvLines = tsv.split(/\n+/g);
var headers = trim(tsvLines.shift()).split(itemSplitRegex);
var categories = [];
var series = zrUtil.map(headers, function (header) {
return {
name: header,
data: []
};
});
for (var i = 0; i < tsvLines.length; i++) {
var items = trim(tsvLines[i]).split(itemSplitRegex);
categories.push(items.shift());
for (var j = 0; j < items.length; j++) {
series[j] && (series[j].data[i] = items[j]);
}
}
return {
series: series,
categories: categories
};
}
/**
* @param {string} str
* @return {Array.<Object>}
* @inner
*/
function parseListContents(str) {
var lines = str.split(/\n+/g);
var seriesName = trim(lines.shift());
var data = [];
for (var i = 0; i < lines.length; i++) {
var items = trim(lines[i]).split(itemSplitRegex);
var name = '';
var value;
var hasName = false;
if (isNaN(items[0])) { // First item is name
hasName = true;
name = items[0];
items = items.slice(1);
data[i] = {
name: name,
value: []
};
value = data[i].value;
}
else {
value = data[i] = [];
}
for (var j = 0; j < items.length; j++) {
value.push(+items[j]);
}
if (value.length === 1) {
hasName ? (data[i].value = value[0]) : (data[i] = value[0]);
}
}
return {
name: seriesName,
data: data
};
}
/**
* @param {string} str
* @param {Array.<Object>} blockMetaList
* @return {Object}
* @inner
*/
function parseContents(str, blockMetaList) {
var blocks = str.split(new RegExp('\n*' + BLOCK_SPLITER + '\n*', 'g'));
var newOption = {
series: []
};
zrUtil.each(blocks, function (block, idx) {
if (isTSVFormat(block)) {
var result = parseTSVContents(block);
var blockMeta = blockMetaList[idx];
var axisKey = blockMeta.axisDim + 'Axis';
if (blockMeta) {
newOption[axisKey] = newOption[axisKey] || [];
newOption[axisKey][blockMeta.axisIndex] = {
data: result.categories
};
newOption.series = newOption.series.concat(result.series);
}
}
else {
var result = parseListContents(block);
newOption.series.push(result);
}
});
return newOption;
}
/**
* @alias {module:echarts/component/toolbox/feature/DataView}
* @constructor
* @param {module:echarts/model/Model} model
*/
function DataView(model) {
this._dom = null;
this.model = model;
}
DataView.defaultOption = {
show: true,
readOnly: false,
optionToContent: null,
contentToOption: null,
icon: 'M17.5,17.3H33 M17.5,17.3H33 M45.4,29.5h-28 M11.5,2v56H51V14.8L38.4,2H11.5z M38.4,2.2v12.7H51 M45.4,41.7h-28',
title: '????',
lang: ['????', '??', '??'],
backgroundColor: '#fff',
textColor: '#000',
textareaColor: '#fff',
textareaBorderColor: '#333',
buttonColor: '#c23531',
buttonTextColor: '#fff'
};
DataView.prototype.onclick = function (ecModel, api) {
var container = api.getDom();
var model = this.model;
if (this._dom) {
container.removeChild(this._dom);
}
var root = document.createElement('div');
root.style.cssText = 'position:absolute;left:5px;top:5px;bottom:5px;right:5px;';
root.style.backgroundColor = model.get('backgroundColor') || '#fff';
// Create elements
var header = document.createElement('h4');
var lang = model.get('lang') || [];
header.innerHTML = lang[0] || model.get('title');
header.style.cssText = 'margin: 10px 20px;';
header.style.color = model.get('textColor');
var viewMain = document.createElement('div');
var textarea = document.createElement('textarea');
viewMain.style.cssText = 'display:block;width:100%;overflow:hidden;';
var optionToContent = model.get('optionToContent');
var contentToOption = model.get('contentToOption');
var result = getContentFromModel(ecModel);
if (typeof optionToContent === 'function') {
var htmlOrDom = optionToContent(api.getOption());
if (typeof htmlOrDom === 'string') {
viewMain.innerHTML = htmlOrDom;
}
else if (zrUtil.isDom(htmlOrDom)) {
viewMain.appendChild(htmlOrDom);
}
}
else {
// Use default textarea
viewMain.appendChild(textarea);
textarea.readOnly = model.get('readOnly');
textarea.style.cssText = 'width:100%;height:100%;font-family:monospace;font-size:14px;line-height:1.6rem;';
textarea.style.color = model.get('textColor');
textarea.style.borderColor = model.get('textareaBorderColor');
textarea.style.backgroundColor = model.get('textareaColor');
textarea.value = result.value;
}
var blockMetaList = result.meta;
var buttonContainer = document.createElement('div');
buttonContainer.style.cssText = 'position:absolute;bottom:0;left:0;right:0;';
var buttonStyle = 'float:right;margin-right:20px;border:none;'
+ 'cursor:pointer;padding:2px 5px;font-size:12px;border-radius:3px';
var closeButton = document.createElement('div');
var refreshButton = document.createElement('div');
buttonStyle += ';background-color:' + model.get('buttonColor');
buttonStyle += ';color:' + model.get('buttonTextColor');
var self = this;
function close() {
container.removeChild(root);
self._dom = null;
}
eventTool.addEventListener(closeButton, 'click', close);
eventTool.addEventListener(refreshButton, 'click', function () {
var newOption;
try {
if (typeof contentToOption === 'function') {
newOption = contentToOption(viewMain, api.getOption());
}
else {
newOption = parseContents(textarea.value, blockMetaList);
}
}
catch (e) {
close();
throw new Error('Data view format error ' + e);
}
if (newOption) {
api.dispatchAction({
type: 'changeDataView',
newOption: newOption
});
}
close();
});
closeButton.innerHTML = lang[1];
refreshButton.innerHTML = lang[2];
refreshButton.style.cssText = buttonStyle;
closeButton.style.cssText = buttonStyle;
!model.get('readOnly') && buttonContainer.appendChild(refreshButton);
buttonContainer.appendChild(closeButton);
// http://stackoverflow.com/questions/6637341/use-tab-to-indent-in-textarea
eventTool.addEventListener(textarea, 'keydown', function (e) {
if ((e.keyCode || e.which) === 9) {
// get caret position/selection
var val = this.value;
var start = this.selectionStart;
var end = this.selectionEnd;
// set textarea value to: text before caret + tab + text after caret
this.value = val.substring(0, start) + ITEM_SPLITER + val.substring(end);
// put caret at right position again
this.selectionStart = this.selectionEnd = start + 1;
// prevent the focus lose
eventTool.stop(e);
}
});
root.appendChild(header);
root.appendChild(viewMain);
root.appendChild(buttonContainer);
viewMain.style.height = (container.clientHeight - 80) + 'px';
container.appendChild(root);
this._dom = root;
};
DataView.prototype.remove = function (ecModel, api) {
this._dom && api.getDom().removeChild(this._dom);
};
DataView.prototype.dispose = function (ecModel, api) {
this.remove(ecModel, api);
};
/**
* @inner
*/
function tryMergeDataOption(newData, originalData) {
return zrUtil.map(newData, function (newVal, idx) {
var original = originalData && originalData[idx];
if (zrUtil.isObject(original) && !zrUtil.isArray(original)) {
if (zrUtil.isObject(newVal) && !zrUtil.isArray(newVal)) {
newVal = newVal.value;
}
// Original data has option
return zrUtil.defaults({
value: newVal
}, original);
}
else {
return newVal;
}
});
}
require('../featureManager').register('dataView', DataView);
require('../../../echarts').registerAction({
type: 'changeDataView',
event: 'dataViewChanged',
update: 'prepareAndUpdate'
}, function (payload, ecModel) {
var newSeriesOptList = [];
zrUtil.each(payload.newOption.series, function (seriesOpt) {
var seriesModel = ecModel.getSeriesByName(seriesOpt.name)[0];
if (!seriesModel) {
// New created series
// Geuss the series type
newSeriesOptList.push(zrUtil.extend({
// Default is scatter
type: 'scatter'
}, seriesOpt));
}
else {
var originalData = seriesModel.get('data');
newSeriesOptList.push({
name: seriesOpt.name,
data: tryMergeDataOption(seriesOpt.data, originalData)
});
}
});
ecModel.mergeOption(zrUtil.defaults({
series: newSeriesOptList
}, payload.newOption));
});
return DataView;
});
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