447 lines
16 KiB
JavaScript
447 lines
16 KiB
JavaScript
|
|
/*
|
|
* 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 graphic = require("../../util/graphic");
|
|
|
|
var layoutUtil = require("../../util/layout");
|
|
|
|
var LegendView = require("./LegendView");
|
|
|
|
/*
|
|
* 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.
|
|
*/
|
|
|
|
/**
|
|
* Separate legend and scrollable legend to reduce package size.
|
|
*/
|
|
var Group = graphic.Group;
|
|
var WH = ['width', 'height'];
|
|
var XY = ['x', 'y'];
|
|
var ScrollableLegendView = LegendView.extend({
|
|
type: 'legend.scroll',
|
|
newlineDisabled: true,
|
|
init: function () {
|
|
ScrollableLegendView.superCall(this, 'init');
|
|
/**
|
|
* @private
|
|
* @type {number} For `scroll`.
|
|
*/
|
|
|
|
this._currentIndex = 0;
|
|
/**
|
|
* @private
|
|
* @type {module:zrender/container/Group}
|
|
*/
|
|
|
|
this.group.add(this._containerGroup = new Group());
|
|
|
|
this._containerGroup.add(this.getContentGroup());
|
|
/**
|
|
* @private
|
|
* @type {module:zrender/container/Group}
|
|
*/
|
|
|
|
|
|
this.group.add(this._controllerGroup = new Group());
|
|
/**
|
|
*
|
|
* @private
|
|
*/
|
|
|
|
this._showController;
|
|
},
|
|
|
|
/**
|
|
* @override
|
|
*/
|
|
resetInner: function () {
|
|
ScrollableLegendView.superCall(this, 'resetInner');
|
|
|
|
this._controllerGroup.removeAll();
|
|
|
|
this._containerGroup.removeClipPath();
|
|
|
|
this._containerGroup.__rectSize = null;
|
|
},
|
|
|
|
/**
|
|
* @override
|
|
*/
|
|
renderInner: function (itemAlign, legendModel, ecModel, api, selector, orient, selectorPosition) {
|
|
var me = this; // Render content items.
|
|
|
|
ScrollableLegendView.superCall(this, 'renderInner', itemAlign, legendModel, ecModel, api, selector, orient, selectorPosition);
|
|
var controllerGroup = this._controllerGroup; // FIXME: support be 'auto' adapt to size number text length,
|
|
// e.g., '3/12345' should not overlap with the control arrow button.
|
|
|
|
var pageIconSize = legendModel.get('pageIconSize', true);
|
|
|
|
if (!zrUtil.isArray(pageIconSize)) {
|
|
pageIconSize = [pageIconSize, pageIconSize];
|
|
}
|
|
|
|
createPageButton('pagePrev', 0);
|
|
var pageTextStyleModel = legendModel.getModel('pageTextStyle');
|
|
controllerGroup.add(new graphic.Text({
|
|
name: 'pageText',
|
|
style: {
|
|
textFill: pageTextStyleModel.getTextColor(),
|
|
font: pageTextStyleModel.getFont(),
|
|
textVerticalAlign: 'middle',
|
|
textAlign: 'center'
|
|
},
|
|
silent: true
|
|
}));
|
|
createPageButton('pageNext', 1);
|
|
|
|
function createPageButton(name, iconIdx) {
|
|
var pageDataIndexName = name + 'DataIndex';
|
|
var icon = graphic.createIcon(legendModel.get('pageIcons', true)[legendModel.getOrient().name][iconIdx], {
|
|
// Buttons will be created in each render, so we do not need
|
|
// to worry about avoiding using legendModel kept in scope.
|
|
onclick: zrUtil.bind(me._pageGo, me, pageDataIndexName, legendModel, api)
|
|
}, {
|
|
x: -pageIconSize[0] / 2,
|
|
y: -pageIconSize[1] / 2,
|
|
width: pageIconSize[0],
|
|
height: pageIconSize[1]
|
|
});
|
|
icon.name = name;
|
|
controllerGroup.add(icon);
|
|
}
|
|
},
|
|
|
|
/**
|
|
* @override
|
|
*/
|
|
layoutInner: function (legendModel, itemAlign, maxSize, isFirstRender, selector, selectorPosition) {
|
|
var selectorGroup = this.getSelectorGroup();
|
|
var orientIdx = legendModel.getOrient().index;
|
|
var wh = WH[orientIdx];
|
|
var xy = XY[orientIdx];
|
|
var hw = WH[1 - orientIdx];
|
|
var yx = XY[1 - orientIdx];
|
|
selector && layoutUtil.box( // Buttons in selectorGroup always layout horizontally
|
|
'horizontal', selectorGroup, legendModel.get('selectorItemGap', true));
|
|
var selectorButtonGap = legendModel.get('selectorButtonGap', true);
|
|
var selectorRect = selectorGroup.getBoundingRect();
|
|
var selectorPos = [-selectorRect.x, -selectorRect.y];
|
|
var processMaxSize = zrUtil.clone(maxSize);
|
|
selector && (processMaxSize[wh] = maxSize[wh] - selectorRect[wh] - selectorButtonGap);
|
|
|
|
var mainRect = this._layoutContentAndController(legendModel, isFirstRender, processMaxSize, orientIdx, wh, hw, yx);
|
|
|
|
if (selector) {
|
|
if (selectorPosition === 'end') {
|
|
selectorPos[orientIdx] += mainRect[wh] + selectorButtonGap;
|
|
} else {
|
|
var offset = selectorRect[wh] + selectorButtonGap;
|
|
selectorPos[orientIdx] -= offset;
|
|
mainRect[xy] -= offset;
|
|
}
|
|
|
|
mainRect[wh] += selectorRect[wh] + selectorButtonGap;
|
|
selectorPos[1 - orientIdx] += mainRect[yx] + mainRect[hw] / 2 - selectorRect[hw] / 2;
|
|
mainRect[hw] = Math.max(mainRect[hw], selectorRect[hw]);
|
|
mainRect[yx] = Math.min(mainRect[yx], selectorRect[yx] + selectorPos[1 - orientIdx]);
|
|
selectorGroup.attr('position', selectorPos);
|
|
}
|
|
|
|
return mainRect;
|
|
},
|
|
_layoutContentAndController: function (legendModel, isFirstRender, maxSize, orientIdx, wh, hw, yx) {
|
|
var contentGroup = this.getContentGroup();
|
|
var containerGroup = this._containerGroup;
|
|
var controllerGroup = this._controllerGroup; // Place items in contentGroup.
|
|
|
|
layoutUtil.box(legendModel.get('orient'), contentGroup, legendModel.get('itemGap'), !orientIdx ? null : maxSize.width, orientIdx ? null : maxSize.height);
|
|
layoutUtil.box( // Buttons in controller are layout always horizontally.
|
|
'horizontal', controllerGroup, legendModel.get('pageButtonItemGap', true));
|
|
var contentRect = contentGroup.getBoundingRect();
|
|
var controllerRect = controllerGroup.getBoundingRect();
|
|
var showController = this._showController = contentRect[wh] > maxSize[wh];
|
|
var contentPos = [-contentRect.x, -contentRect.y]; // Remain contentPos when scroll animation perfroming.
|
|
// If first rendering, `contentGroup.position` is [0, 0], which
|
|
// does not make sense and may cause unexepcted animation if adopted.
|
|
|
|
if (!isFirstRender) {
|
|
contentPos[orientIdx] = contentGroup.position[orientIdx];
|
|
} // Layout container group based on 0.
|
|
|
|
|
|
var containerPos = [0, 0];
|
|
var controllerPos = [-controllerRect.x, -controllerRect.y];
|
|
var pageButtonGap = zrUtil.retrieve2(legendModel.get('pageButtonGap', true), legendModel.get('itemGap', true)); // Place containerGroup and controllerGroup and contentGroup.
|
|
|
|
if (showController) {
|
|
var pageButtonPosition = legendModel.get('pageButtonPosition', true); // controller is on the right / bottom.
|
|
|
|
if (pageButtonPosition === 'end') {
|
|
controllerPos[orientIdx] += maxSize[wh] - controllerRect[wh];
|
|
} // controller is on the left / top.
|
|
else {
|
|
containerPos[orientIdx] += controllerRect[wh] + pageButtonGap;
|
|
}
|
|
} // Always align controller to content as 'middle'.
|
|
|
|
|
|
controllerPos[1 - orientIdx] += contentRect[hw] / 2 - controllerRect[hw] / 2;
|
|
contentGroup.attr('position', contentPos);
|
|
containerGroup.attr('position', containerPos);
|
|
controllerGroup.attr('position', controllerPos); // Calculate `mainRect` and set `clipPath`.
|
|
// mainRect should not be calculated by `this.group.getBoundingRect()`
|
|
// for sake of the overflow.
|
|
|
|
var mainRect = {
|
|
x: 0,
|
|
y: 0
|
|
}; // Consider content may be overflow (should be clipped).
|
|
|
|
mainRect[wh] = showController ? maxSize[wh] : contentRect[wh];
|
|
mainRect[hw] = Math.max(contentRect[hw], controllerRect[hw]); // `containerRect[yx] + containerPos[1 - orientIdx]` is 0.
|
|
|
|
mainRect[yx] = Math.min(0, controllerRect[yx] + controllerPos[1 - orientIdx]);
|
|
containerGroup.__rectSize = maxSize[wh];
|
|
|
|
if (showController) {
|
|
var clipShape = {
|
|
x: 0,
|
|
y: 0
|
|
};
|
|
clipShape[wh] = Math.max(maxSize[wh] - controllerRect[wh] - pageButtonGap, 0);
|
|
clipShape[hw] = mainRect[hw];
|
|
containerGroup.setClipPath(new graphic.Rect({
|
|
shape: clipShape
|
|
})); // Consider content may be larger than container, container rect
|
|
// can not be obtained from `containerGroup.getBoundingRect()`.
|
|
|
|
containerGroup.__rectSize = clipShape[wh];
|
|
} else {
|
|
// Do not remove or ignore controller. Keep them set as placeholders.
|
|
controllerGroup.eachChild(function (child) {
|
|
child.attr({
|
|
invisible: true,
|
|
silent: true
|
|
});
|
|
});
|
|
} // Content translate animation.
|
|
|
|
|
|
var pageInfo = this._getPageInfo(legendModel);
|
|
|
|
pageInfo.pageIndex != null && graphic.updateProps(contentGroup, {
|
|
position: pageInfo.contentPosition
|
|
}, // When switch from "show controller" to "not show controller", view should be
|
|
// updated immediately without animation, otherwise causes weird effect.
|
|
showController ? legendModel : false);
|
|
|
|
this._updatePageInfoView(legendModel, pageInfo);
|
|
|
|
return mainRect;
|
|
},
|
|
_pageGo: function (to, legendModel, api) {
|
|
var scrollDataIndex = this._getPageInfo(legendModel)[to];
|
|
|
|
scrollDataIndex != null && api.dispatchAction({
|
|
type: 'legendScroll',
|
|
scrollDataIndex: scrollDataIndex,
|
|
legendId: legendModel.id
|
|
});
|
|
},
|
|
_updatePageInfoView: function (legendModel, pageInfo) {
|
|
var controllerGroup = this._controllerGroup;
|
|
zrUtil.each(['pagePrev', 'pageNext'], function (name) {
|
|
var canJump = pageInfo[name + 'DataIndex'] != null;
|
|
var icon = controllerGroup.childOfName(name);
|
|
|
|
if (icon) {
|
|
icon.setStyle('fill', canJump ? legendModel.get('pageIconColor', true) : legendModel.get('pageIconInactiveColor', true));
|
|
icon.cursor = canJump ? 'pointer' : 'default';
|
|
}
|
|
});
|
|
var pageText = controllerGroup.childOfName('pageText');
|
|
var pageFormatter = legendModel.get('pageFormatter');
|
|
var pageIndex = pageInfo.pageIndex;
|
|
var current = pageIndex != null ? pageIndex + 1 : 0;
|
|
var total = pageInfo.pageCount;
|
|
pageText && pageFormatter && pageText.setStyle('text', zrUtil.isString(pageFormatter) ? pageFormatter.replace('{current}', current).replace('{total}', total) : pageFormatter({
|
|
current: current,
|
|
total: total
|
|
}));
|
|
},
|
|
|
|
/**
|
|
* @param {module:echarts/model/Model} legendModel
|
|
* @return {Object} {
|
|
* contentPosition: Array.<number>, null when data item not found.
|
|
* pageIndex: number, null when data item not found.
|
|
* pageCount: number, always be a number, can be 0.
|
|
* pagePrevDataIndex: number, null when no previous page.
|
|
* pageNextDataIndex: number, null when no next page.
|
|
* }
|
|
*/
|
|
_getPageInfo: function (legendModel) {
|
|
var scrollDataIndex = legendModel.get('scrollDataIndex', true);
|
|
var contentGroup = this.getContentGroup();
|
|
var containerRectSize = this._containerGroup.__rectSize;
|
|
var orientIdx = legendModel.getOrient().index;
|
|
var wh = WH[orientIdx];
|
|
var xy = XY[orientIdx];
|
|
|
|
var targetItemIndex = this._findTargetItemIndex(scrollDataIndex);
|
|
|
|
var children = contentGroup.children();
|
|
var targetItem = children[targetItemIndex];
|
|
var itemCount = children.length;
|
|
var pCount = !itemCount ? 0 : 1;
|
|
var result = {
|
|
contentPosition: contentGroup.position.slice(),
|
|
pageCount: pCount,
|
|
pageIndex: pCount - 1,
|
|
pagePrevDataIndex: null,
|
|
pageNextDataIndex: null
|
|
};
|
|
|
|
if (!targetItem) {
|
|
return result;
|
|
}
|
|
|
|
var targetItemInfo = getItemInfo(targetItem);
|
|
result.contentPosition[orientIdx] = -targetItemInfo.s; // Strategy:
|
|
// (1) Always align based on the left/top most item.
|
|
// (2) It is user-friendly that the last item shown in the
|
|
// current window is shown at the begining of next window.
|
|
// Otherwise if half of the last item is cut by the window,
|
|
// it will have no chance to display entirely.
|
|
// (3) Consider that item size probably be different, we
|
|
// have calculate pageIndex by size rather than item index,
|
|
// and we can not get page index directly by division.
|
|
// (4) The window is to narrow to contain more than
|
|
// one item, we should make sure that the page can be fliped.
|
|
|
|
for (var i = targetItemIndex + 1, winStartItemInfo = targetItemInfo, winEndItemInfo = targetItemInfo, currItemInfo = null; i <= itemCount; ++i) {
|
|
currItemInfo = getItemInfo(children[i]);
|
|
|
|
if ( // Half of the last item is out of the window.
|
|
!currItemInfo && winEndItemInfo.e > winStartItemInfo.s + containerRectSize || // If the current item does not intersect with the window, the new page
|
|
// can be started at the current item or the last item.
|
|
currItemInfo && !intersect(currItemInfo, winStartItemInfo.s)) {
|
|
if (winEndItemInfo.i > winStartItemInfo.i) {
|
|
winStartItemInfo = winEndItemInfo;
|
|
} else {
|
|
// e.g., when page size is smaller than item size.
|
|
winStartItemInfo = currItemInfo;
|
|
}
|
|
|
|
if (winStartItemInfo) {
|
|
if (result.pageNextDataIndex == null) {
|
|
result.pageNextDataIndex = winStartItemInfo.i;
|
|
}
|
|
|
|
++result.pageCount;
|
|
}
|
|
}
|
|
|
|
winEndItemInfo = currItemInfo;
|
|
}
|
|
|
|
for (var i = targetItemIndex - 1, winStartItemInfo = targetItemInfo, winEndItemInfo = targetItemInfo, currItemInfo = null; i >= -1; --i) {
|
|
currItemInfo = getItemInfo(children[i]);
|
|
|
|
if ( // If the the end item does not intersect with the window started
|
|
// from the current item, a page can be settled.
|
|
(!currItemInfo || !intersect(winEndItemInfo, currItemInfo.s)) && // e.g., when page size is smaller than item size.
|
|
winStartItemInfo.i < winEndItemInfo.i) {
|
|
winEndItemInfo = winStartItemInfo;
|
|
|
|
if (result.pagePrevDataIndex == null) {
|
|
result.pagePrevDataIndex = winStartItemInfo.i;
|
|
}
|
|
|
|
++result.pageCount;
|
|
++result.pageIndex;
|
|
}
|
|
|
|
winStartItemInfo = currItemInfo;
|
|
}
|
|
|
|
return result;
|
|
|
|
function getItemInfo(el) {
|
|
if (el) {
|
|
var itemRect = el.getBoundingRect();
|
|
var start = itemRect[xy] + el.position[orientIdx];
|
|
return {
|
|
s: start,
|
|
e: start + itemRect[wh],
|
|
i: el.__legendDataIndex
|
|
};
|
|
}
|
|
}
|
|
|
|
function intersect(itemInfo, winStart) {
|
|
return itemInfo.e >= winStart && itemInfo.s <= winStart + containerRectSize;
|
|
}
|
|
},
|
|
_findTargetItemIndex: function (targetDataIndex) {
|
|
if (!this._showController) {
|
|
return 0;
|
|
}
|
|
|
|
var index;
|
|
var contentGroup = this.getContentGroup();
|
|
var defaultIndex;
|
|
contentGroup.eachChild(function (child, idx) {
|
|
var legendDataIdx = child.__legendDataIndex; // FIXME
|
|
// If the given targetDataIndex (from model) is illegal,
|
|
// we use defaultIndex. But the index on the legend model and
|
|
// action payload is still illegal. That case will not be
|
|
// changed until some scenario requires.
|
|
|
|
if (defaultIndex == null && legendDataIdx != null) {
|
|
defaultIndex = idx;
|
|
}
|
|
|
|
if (legendDataIdx === targetDataIndex) {
|
|
index = idx;
|
|
}
|
|
});
|
|
return index != null ? index : defaultIndex;
|
|
}
|
|
});
|
|
var _default = ScrollableLegendView;
|
|
module.exports = _default; |