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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
var zrUtil = require("zrender/lib/core/util");
var echarts = require("../echarts");
var graphic = require("../util/graphic");
var _layout = require("../util/layout");
var getLayoutRect = _layout.getLayoutRect;
var _format = require("../util/format");
var windowOpen = _format.windowOpen;
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
// Model
echarts.extendComponentModel({
type: 'title',
layoutMode: {
type: 'box',
ignoreSize: true
},
defaultOption: {
// 一级层叠
zlevel: 0,
// 二级层叠
z: 6,
show: true,
text: '',
// 超链接跳转
// link: null,
// 仅支持self | blank
target: 'blank',
subtext: '',
// 超链接跳转
// sublink: null,
// 仅支持self | blank
subtarget: 'blank',
// 'center' ¦ 'left' ¦ 'right'
// ¦ {number}（x坐标，单位px）
left: 0,
// 'top' ¦ 'bottom' ¦ 'center'
// ¦ {number}（y坐标，单位px）
top: 0,
// 水平对齐
// 'auto' | 'left' | 'right' | 'center'
// 默认根据 left 的位置判断是左对齐还是右对齐
// textAlign: null
//
// 垂直对齐
// 'auto' | 'top' | 'bottom' | 'middle'
// 默认根据 top 位置判断是上对齐还是下对齐
// textVerticalAlign: null
// textBaseline: null // The same as textVerticalAlign.
backgroundColor: 'rgba(0,0,0,0)',
// 标题边框颜色
borderColor: '#ccc',
// 标题边框线宽，单位px，默认为0（无边框）
borderWidth: 0,
// 标题内边距，单位px，默认各方向内边距为5，
// 接受数组分别设定上右下左边距，同css
padding: 5,
// 主副标题纵向间隔，单位px，默认为10，
itemGap: 10,
textStyle: {
fontSize: 18,
fontWeight: 'bolder',
color: '#333'
},
subtextStyle: {
color: '#aaa'
}
}
}); // View
echarts.extendComponentView({
type: 'title',
render: function (titleModel, ecModel, api) {
this.group.removeAll();
if (!titleModel.get('show')) {
return;
}
var group = this.group;
var textStyleModel = titleModel.getModel('textStyle');
var subtextStyleModel = titleModel.getModel('subtextStyle');
var textAlign = titleModel.get('textAlign');
var textVerticalAlign = zrUtil.retrieve2(titleModel.get('textBaseline'), titleModel.get('textVerticalAlign'));
var textEl = new graphic.Text({
style: graphic.setTextStyle({}, textStyleModel, {
text: titleModel.get('text'),
textFill: textStyleModel.getTextColor()
}, {
disableBox: true
}),
z2: 10
});
var textRect = textEl.getBoundingRect();
var subText = titleModel.get('subtext');
var subTextEl = new graphic.Text({
style: graphic.setTextStyle({}, subtextStyleModel, {
text: subText,
textFill: subtextStyleModel.getTextColor(),
y: textRect.height + titleModel.get('itemGap'),
textVerticalAlign: 'top'
}, {
disableBox: true
}),
z2: 10
});
var link = titleModel.get('link');
var sublink = titleModel.get('sublink');
var triggerEvent = titleModel.get('triggerEvent', true);
textEl.silent = !link && !triggerEvent;
subTextEl.silent = !sublink && !triggerEvent;
if (link) {
textEl.on('click', function () {
windowOpen(link, '_' + titleModel.get('target'));
});
}
if (sublink) {
subTextEl.on('click', function () {
windowOpen(sublink, '_' + titleModel.get('subtarget'));
});
}
textEl.eventData = subTextEl.eventData = triggerEvent ? {
componentType: 'title',
componentIndex: titleModel.componentIndex
} : null;
group.add(textEl);
subText && group.add(subTextEl); // If no subText, but add subTextEl, there will be an empty line.
var groupRect = group.getBoundingRect();
var layoutOption = titleModel.getBoxLayoutParams();
layoutOption.width = groupRect.width;
layoutOption.height = groupRect.height;
var layoutRect = getLayoutRect(layoutOption, {
width: api.getWidth(),
height: api.getHeight()
}, titleModel.get('padding')); // Adjust text align based on position
if (!textAlign) {
// Align left if title is on the left. center and right is same
textAlign = titleModel.get('left') || titleModel.get('right');
if (textAlign === 'middle') {
textAlign = 'center';
} // Adjust layout by text align
if (textAlign === 'right') {
layoutRect.x += layoutRect.width;
} else if (textAlign === 'center') {
layoutRect.x += layoutRect.width / 2;
}
}
if (!textVerticalAlign) {
textVerticalAlign = titleModel.get('top') || titleModel.get('bottom');
if (textVerticalAlign === 'center') {
textVerticalAlign = 'middle';
}
if (textVerticalAlign === 'bottom') {
layoutRect.y += layoutRect.height;
} else if (textVerticalAlign === 'middle') {
layoutRect.y += layoutRect.height / 2;
}
textVerticalAlign = textVerticalAlign || 'top';
}
group.attr('position', [layoutRect.x, layoutRect.y]);
var alignStyle = {
textAlign: textAlign,
textVerticalAlign: textVerticalAlign
};
textEl.setStyle(alignStyle);
subTextEl.setStyle(alignStyle); // Render background
// Get groupRect again because textAlign has been changed
groupRect = group.getBoundingRect();
var padding = layoutRect.margin;
var style = titleModel.getItemStyle(['color', 'opacity']);
style.fill = titleModel.get('backgroundColor');
var rect = new graphic.Rect({
shape: {
x: groupRect.x - padding[3],
y: groupRect.y - padding[0],
width: groupRect.width + padding[1] + padding[3],
height: groupRect.height + padding[0] + padding[2],
r: titleModel.get('borderRadius')
},
style: style,
subPixelOptimize: true,
silent: true
});
group.add(rect);
}
});