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/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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/**
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* AUTO-GENERATED FILE. DO NOT MODIFY.
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*/
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/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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import { __extends } from "tslib";
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/**
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* Separate legend and scrollable legend to reduce package size.
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*/
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import * as zrUtil from 'zrender/lib/core/util.js';
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import * as graphic from '../../util/graphic.js';
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import * as layoutUtil from '../../util/layout.js';
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import LegendView from './LegendView.js';
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var Group = graphic.Group;
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var WH = ['width', 'height'];
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var XY = ['x', 'y'];
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var ScrollableLegendView = /** @class */function (_super) {
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__extends(ScrollableLegendView, _super);
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function ScrollableLegendView() {
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var _this = _super !== null && _super.apply(this, arguments) || this;
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_this.type = ScrollableLegendView.type;
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_this.newlineDisabled = true;
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_this._currentIndex = 0;
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return _this;
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}
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ScrollableLegendView.prototype.init = function () {
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_super.prototype.init.call(this);
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this.group.add(this._containerGroup = new Group());
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this._containerGroup.add(this.getContentGroup());
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this.group.add(this._controllerGroup = new Group());
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};
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/**
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* @override
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*/
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ScrollableLegendView.prototype.resetInner = function () {
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_super.prototype.resetInner.call(this);
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this._controllerGroup.removeAll();
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this._containerGroup.removeClipPath();
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this._containerGroup.__rectSize = null;
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};
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/**
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* @override
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*/
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ScrollableLegendView.prototype.renderInner = function (itemAlign, legendModel, ecModel, api, selector, orient, selectorPosition) {
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var self = this;
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// Render content items.
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_super.prototype.renderInner.call(this, itemAlign, legendModel, ecModel, api, selector, orient, selectorPosition);
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var controllerGroup = this._controllerGroup;
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// FIXME: support be 'auto' adapt to size number text length,
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// e.g., '3/12345' should not overlap with the control arrow button.
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var pageIconSize = legendModel.get('pageIconSize', true);
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var pageIconSizeArr = zrUtil.isArray(pageIconSize) ? pageIconSize : [pageIconSize, pageIconSize];
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createPageButton('pagePrev', 0);
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var pageTextStyleModel = legendModel.getModel('pageTextStyle');
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controllerGroup.add(new graphic.Text({
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name: 'pageText',
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style: {
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// Placeholder to calculate a proper layout.
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text: 'xx/xx',
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fill: pageTextStyleModel.getTextColor(),
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font: pageTextStyleModel.getFont(),
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verticalAlign: 'middle',
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align: 'center'
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},
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silent: true
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}));
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createPageButton('pageNext', 1);
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function createPageButton(name, iconIdx) {
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var pageDataIndexName = name + 'DataIndex';
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var icon = graphic.createIcon(legendModel.get('pageIcons', true)[legendModel.getOrient().name][iconIdx], {
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// Buttons will be created in each render, so we do not need
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// to worry about avoiding using legendModel kept in scope.
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onclick: zrUtil.bind(self._pageGo, self, pageDataIndexName, legendModel, api)
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}, {
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x: -pageIconSizeArr[0] / 2,
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y: -pageIconSizeArr[1] / 2,
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width: pageIconSizeArr[0],
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height: pageIconSizeArr[1]
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});
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icon.name = name;
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controllerGroup.add(icon);
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}
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};
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/**
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* @override
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*/
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ScrollableLegendView.prototype.layoutInner = function (legendModel, itemAlign, maxSize, isFirstRender, selector, selectorPosition) {
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var selectorGroup = this.getSelectorGroup();
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var orientIdx = legendModel.getOrient().index;
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var wh = WH[orientIdx];
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var xy = XY[orientIdx];
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var hw = WH[1 - orientIdx];
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var yx = XY[1 - orientIdx];
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selector && layoutUtil.box(
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// Buttons in selectorGroup always layout horizontally
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'horizontal', selectorGroup, legendModel.get('selectorItemGap', true));
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var selectorButtonGap = legendModel.get('selectorButtonGap', true);
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var selectorRect = selectorGroup.getBoundingRect();
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var selectorPos = [-selectorRect.x, -selectorRect.y];
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var processMaxSize = zrUtil.clone(maxSize);
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selector && (processMaxSize[wh] = maxSize[wh] - selectorRect[wh] - selectorButtonGap);
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var mainRect = this._layoutContentAndController(legendModel, isFirstRender, processMaxSize, orientIdx, wh, hw, yx, xy);
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if (selector) {
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if (selectorPosition === 'end') {
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selectorPos[orientIdx] += mainRect[wh] + selectorButtonGap;
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} else {
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var offset = selectorRect[wh] + selectorButtonGap;
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selectorPos[orientIdx] -= offset;
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mainRect[xy] -= offset;
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}
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mainRect[wh] += selectorRect[wh] + selectorButtonGap;
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selectorPos[1 - orientIdx] += mainRect[yx] + mainRect[hw] / 2 - selectorRect[hw] / 2;
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mainRect[hw] = Math.max(mainRect[hw], selectorRect[hw]);
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mainRect[yx] = Math.min(mainRect[yx], selectorRect[yx] + selectorPos[1 - orientIdx]);
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selectorGroup.x = selectorPos[0];
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selectorGroup.y = selectorPos[1];
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selectorGroup.markRedraw();
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}
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return mainRect;
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};
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ScrollableLegendView.prototype._layoutContentAndController = function (legendModel, isFirstRender, maxSize, orientIdx, wh, hw, yx, xy) {
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var contentGroup = this.getContentGroup();
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var containerGroup = this._containerGroup;
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var controllerGroup = this._controllerGroup;
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// Place items in contentGroup.
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layoutUtil.box(legendModel.get('orient'), contentGroup, legendModel.get('itemGap'), !orientIdx ? null : maxSize.width, orientIdx ? null : maxSize.height);
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layoutUtil.box(
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// Buttons in controller are layout always horizontally.
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'horizontal', controllerGroup, legendModel.get('pageButtonItemGap', true));
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var contentRect = contentGroup.getBoundingRect();
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var controllerRect = controllerGroup.getBoundingRect();
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var showController = this._showController = contentRect[wh] > maxSize[wh];
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// In case that the inner elements of contentGroup layout do not based on [0, 0]
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var contentPos = [-contentRect.x, -contentRect.y];
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// Remain contentPos when scroll animation perfroming.
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// If first rendering, `contentGroup.position` is [0, 0], which
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// does not make sense and may cause unexepcted animation if adopted.
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if (!isFirstRender) {
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contentPos[orientIdx] = contentGroup[xy];
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}
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// Layout container group based on 0.
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var containerPos = [0, 0];
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var controllerPos = [-controllerRect.x, -controllerRect.y];
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var pageButtonGap = zrUtil.retrieve2(legendModel.get('pageButtonGap', true), legendModel.get('itemGap', true));
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// Place containerGroup and controllerGroup and contentGroup.
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if (showController) {
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var pageButtonPosition = legendModel.get('pageButtonPosition', true);
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// controller is on the right / bottom.
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if (pageButtonPosition === 'end') {
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controllerPos[orientIdx] += maxSize[wh] - controllerRect[wh];
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}
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// controller is on the left / top.
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else {
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containerPos[orientIdx] += controllerRect[wh] + pageButtonGap;
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}
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}
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// Always align controller to content as 'middle'.
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controllerPos[1 - orientIdx] += contentRect[hw] / 2 - controllerRect[hw] / 2;
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contentGroup.setPosition(contentPos);
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containerGroup.setPosition(containerPos);
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controllerGroup.setPosition(controllerPos);
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// Calculate `mainRect` and set `clipPath`.
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// mainRect should not be calculated by `this.group.getBoundingRect()`
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// for sake of the overflow.
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var mainRect = {
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x: 0,
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y: 0
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};
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// Consider content may be overflow (should be clipped).
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mainRect[wh] = showController ? maxSize[wh] : contentRect[wh];
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mainRect[hw] = Math.max(contentRect[hw], controllerRect[hw]);
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// `containerRect[yx] + containerPos[1 - orientIdx]` is 0.
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mainRect[yx] = Math.min(0, controllerRect[yx] + controllerPos[1 - orientIdx]);
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containerGroup.__rectSize = maxSize[wh];
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if (showController) {
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var clipShape = {
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x: 0,
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y: 0
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};
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clipShape[wh] = Math.max(maxSize[wh] - controllerRect[wh] - pageButtonGap, 0);
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clipShape[hw] = mainRect[hw];
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containerGroup.setClipPath(new graphic.Rect({
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shape: clipShape
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}));
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// Consider content may be larger than container, container rect
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// can not be obtained from `containerGroup.getBoundingRect()`.
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containerGroup.__rectSize = clipShape[wh];
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} else {
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// Do not remove or ignore controller. Keep them set as placeholders.
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controllerGroup.eachChild(function (child) {
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child.attr({
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invisible: true,
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silent: true
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});
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});
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}
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// Content translate animation.
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var pageInfo = this._getPageInfo(legendModel);
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pageInfo.pageIndex != null && graphic.updateProps(contentGroup, {
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x: pageInfo.contentPosition[0],
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y: pageInfo.contentPosition[1]
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},
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// When switch from "show controller" to "not show controller", view should be
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// updated immediately without animation, otherwise causes weird effect.
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showController ? legendModel : null);
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this._updatePageInfoView(legendModel, pageInfo);
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return mainRect;
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};
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ScrollableLegendView.prototype._pageGo = function (to, legendModel, api) {
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var scrollDataIndex = this._getPageInfo(legendModel)[to];
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scrollDataIndex != null && api.dispatchAction({
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type: 'legendScroll',
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scrollDataIndex: scrollDataIndex,
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legendId: legendModel.id
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});
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};
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ScrollableLegendView.prototype._updatePageInfoView = function (legendModel, pageInfo) {
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var controllerGroup = this._controllerGroup;
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zrUtil.each(['pagePrev', 'pageNext'], function (name) {
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var key = name + 'DataIndex';
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var canJump = pageInfo[key] != null;
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var icon = controllerGroup.childOfName(name);
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if (icon) {
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icon.setStyle('fill', canJump ? legendModel.get('pageIconColor', true) : legendModel.get('pageIconInactiveColor', true));
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icon.cursor = canJump ? 'pointer' : 'default';
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}
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});
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var pageText = controllerGroup.childOfName('pageText');
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var pageFormatter = legendModel.get('pageFormatter');
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var pageIndex = pageInfo.pageIndex;
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var current = pageIndex != null ? pageIndex + 1 : 0;
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var total = pageInfo.pageCount;
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pageText && pageFormatter && pageText.setStyle('text', zrUtil.isString(pageFormatter) ? pageFormatter.replace('{current}', current == null ? '' : current + '').replace('{total}', total == null ? '' : total + '') : pageFormatter({
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current: current,
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total: total
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}));
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};
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/**
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* contentPosition: Array.<number>, null when data item not found.
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* pageIndex: number, null when data item not found.
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* pageCount: number, always be a number, can be 0.
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* pagePrevDataIndex: number, null when no previous page.
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* pageNextDataIndex: number, null when no next page.
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* }
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*/
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ScrollableLegendView.prototype._getPageInfo = function (legendModel) {
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var scrollDataIndex = legendModel.get('scrollDataIndex', true);
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var contentGroup = this.getContentGroup();
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var containerRectSize = this._containerGroup.__rectSize;
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var orientIdx = legendModel.getOrient().index;
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var wh = WH[orientIdx];
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var xy = XY[orientIdx];
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var targetItemIndex = this._findTargetItemIndex(scrollDataIndex);
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var children = contentGroup.children();
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var targetItem = children[targetItemIndex];
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var itemCount = children.length;
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var pCount = !itemCount ? 0 : 1;
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var result = {
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contentPosition: [contentGroup.x, contentGroup.y],
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pageCount: pCount,
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pageIndex: pCount - 1,
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pagePrevDataIndex: null,
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pageNextDataIndex: null
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};
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if (!targetItem) {
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return result;
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}
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var targetItemInfo = getItemInfo(targetItem);
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result.contentPosition[orientIdx] = -targetItemInfo.s;
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// Strategy:
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// (1) Always align based on the left/top most item.
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// (2) It is user-friendly that the last item shown in the
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// current window is shown at the begining of next window.
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// Otherwise if half of the last item is cut by the window,
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// it will have no chance to display entirely.
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// (3) Consider that item size probably be different, we
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// have calculate pageIndex by size rather than item index,
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// and we can not get page index directly by division.
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// (4) The window is to narrow to contain more than
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// one item, we should make sure that the page can be fliped.
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for (var i = targetItemIndex + 1, winStartItemInfo = targetItemInfo, winEndItemInfo = targetItemInfo, currItemInfo = null; i <= itemCount; ++i) {
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currItemInfo = getItemInfo(children[i]);
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if (
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// Half of the last item is out of the window.
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!currItemInfo && winEndItemInfo.e > winStartItemInfo.s + containerRectSize
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// If the current item does not intersect with the window, the new page
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// can be started at the current item or the last item.
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|| currItemInfo && !intersect(currItemInfo, winStartItemInfo.s)) {
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if (winEndItemInfo.i > winStartItemInfo.i) {
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winStartItemInfo = winEndItemInfo;
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} else {
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// e.g., when page size is smaller than item size.
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winStartItemInfo = currItemInfo;
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}
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if (winStartItemInfo) {
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if (result.pageNextDataIndex == null) {
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result.pageNextDataIndex = winStartItemInfo.i;
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}
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++result.pageCount;
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}
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}
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winEndItemInfo = currItemInfo;
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}
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for (var i = targetItemIndex - 1, winStartItemInfo = targetItemInfo, winEndItemInfo = targetItemInfo, currItemInfo = null; i >= -1; --i) {
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currItemInfo = getItemInfo(children[i]);
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if (
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// If the the end item does not intersect with the window started
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// from the current item, a page can be settled.
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(!currItemInfo || !intersect(winEndItemInfo, currItemInfo.s)
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// e.g., when page size is smaller than item size.
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) && winStartItemInfo.i < winEndItemInfo.i) {
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winEndItemInfo = winStartItemInfo;
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if (result.pagePrevDataIndex == null) {
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result.pagePrevDataIndex = winStartItemInfo.i;
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}
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++result.pageCount;
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++result.pageIndex;
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}
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winStartItemInfo = currItemInfo;
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}
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return result;
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function getItemInfo(el) {
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if (el) {
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var itemRect = el.getBoundingRect();
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var start = itemRect[xy] + el[xy];
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return {
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s: start,
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e: start + itemRect[wh],
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i: el.__legendDataIndex
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};
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}
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}
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function intersect(itemInfo, winStart) {
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return itemInfo.e >= winStart && itemInfo.s <= winStart + containerRectSize;
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}
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};
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ScrollableLegendView.prototype._findTargetItemIndex = function (targetDataIndex) {
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if (!this._showController) {
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return 0;
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}
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var index;
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var contentGroup = this.getContentGroup();
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var defaultIndex;
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contentGroup.eachChild(function (child, idx) {
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var legendDataIdx = child.__legendDataIndex;
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// FIXME
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// If the given targetDataIndex (from model) is illegal,
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// we use defaultIndex. But the index on the legend model and
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// action payload is still illegal. That case will not be
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// changed until some scenario requires.
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if (defaultIndex == null && legendDataIdx != null) {
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defaultIndex = idx;
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}
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if (legendDataIdx === targetDataIndex) {
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index = idx;
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}
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});
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return index != null ? index : defaultIndex;
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};
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ScrollableLegendView.type = 'legend.scroll';
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return ScrollableLegendView;
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}(LegendView);
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export default ScrollableLegendView;
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