forked from zhurui/management
410 lines
12 KiB
JavaScript
410 lines
12 KiB
JavaScript
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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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var echarts = require("../../echarts");
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var zrUtil = require("zrender/lib/core/util");
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var SymbolDraw = require("../helper/SymbolDraw");
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var LineDraw = require("../helper/LineDraw");
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var RoamController = require("../../component/helper/RoamController");
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var roamHelper = require("../../component/helper/roamHelper");
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var _cursorHelper = require("../../component/helper/cursorHelper");
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var onIrrelevantElement = _cursorHelper.onIrrelevantElement;
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var graphic = require("../../util/graphic");
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var adjustEdge = require("./adjustEdge");
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var _graphHelper = require("./graphHelper");
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var getNodeGlobalScale = _graphHelper.getNodeGlobalScale;
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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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var FOCUS_ADJACENCY = '__focusNodeAdjacency';
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var UNFOCUS_ADJACENCY = '__unfocusNodeAdjacency';
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var nodeOpacityPath = ['itemStyle', 'opacity'];
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var lineOpacityPath = ['lineStyle', 'opacity'];
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function getItemOpacity(item, opacityPath) {
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var opacity = item.getVisual('opacity');
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return opacity != null ? opacity : item.getModel().get(opacityPath);
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}
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function fadeOutItem(item, opacityPath, opacityRatio) {
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var el = item.getGraphicEl();
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var opacity = getItemOpacity(item, opacityPath);
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if (opacityRatio != null) {
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opacity == null && (opacity = 1);
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opacity *= opacityRatio;
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}
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el.downplay && el.downplay();
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el.traverse(function (child) {
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if (!child.isGroup) {
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var opct = child.lineLabelOriginalOpacity;
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if (opct == null || opacityRatio != null) {
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opct = opacity;
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}
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child.setStyle('opacity', opct);
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}
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});
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}
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function fadeInItem(item, opacityPath) {
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var opacity = getItemOpacity(item, opacityPath);
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var el = item.getGraphicEl(); // Should go back to normal opacity first, consider hoverLayer,
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// where current state is copied to elMirror, and support
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// emphasis opacity here.
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el.traverse(function (child) {
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!child.isGroup && child.setStyle('opacity', opacity);
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});
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el.highlight && el.highlight();
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}
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var _default = echarts.extendChartView({
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type: 'graph',
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init: function (ecModel, api) {
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var symbolDraw = new SymbolDraw();
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var lineDraw = new LineDraw();
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var group = this.group;
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this._controller = new RoamController(api.getZr());
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this._controllerHost = {
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target: group
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};
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group.add(symbolDraw.group);
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group.add(lineDraw.group);
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this._symbolDraw = symbolDraw;
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this._lineDraw = lineDraw;
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this._firstRender = true;
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},
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render: function (seriesModel, ecModel, api) {
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var graphView = this;
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var coordSys = seriesModel.coordinateSystem;
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this._model = seriesModel;
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var symbolDraw = this._symbolDraw;
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var lineDraw = this._lineDraw;
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var group = this.group;
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if (coordSys.type === 'view') {
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var groupNewProp = {
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position: coordSys.position,
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scale: coordSys.scale
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};
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if (this._firstRender) {
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group.attr(groupNewProp);
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} else {
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graphic.updateProps(group, groupNewProp, seriesModel);
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}
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} // Fix edge contact point with node
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adjustEdge(seriesModel.getGraph(), getNodeGlobalScale(seriesModel));
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var data = seriesModel.getData();
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symbolDraw.updateData(data);
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var edgeData = seriesModel.getEdgeData();
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lineDraw.updateData(edgeData);
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this._updateNodeAndLinkScale();
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this._updateController(seriesModel, ecModel, api);
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clearTimeout(this._layoutTimeout);
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var forceLayout = seriesModel.forceLayout;
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var layoutAnimation = seriesModel.get('force.layoutAnimation');
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if (forceLayout) {
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this._startForceLayoutIteration(forceLayout, layoutAnimation);
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}
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data.eachItemGraphicEl(function (el, idx) {
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var itemModel = data.getItemModel(idx); // Update draggable
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el.off('drag').off('dragend');
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var draggable = itemModel.get('draggable');
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if (draggable) {
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el.on('drag', function () {
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if (forceLayout) {
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forceLayout.warmUp();
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!this._layouting && this._startForceLayoutIteration(forceLayout, layoutAnimation);
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forceLayout.setFixed(idx); // Write position back to layout
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data.setItemLayout(idx, el.position);
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}
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}, this).on('dragend', function () {
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if (forceLayout) {
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forceLayout.setUnfixed(idx);
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}
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}, this);
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}
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el.setDraggable(draggable && forceLayout);
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el[FOCUS_ADJACENCY] && el.off('mouseover', el[FOCUS_ADJACENCY]);
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el[UNFOCUS_ADJACENCY] && el.off('mouseout', el[UNFOCUS_ADJACENCY]);
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if (itemModel.get('focusNodeAdjacency')) {
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el.on('mouseover', el[FOCUS_ADJACENCY] = function () {
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graphView._clearTimer();
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api.dispatchAction({
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type: 'focusNodeAdjacency',
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seriesId: seriesModel.id,
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dataIndex: el.dataIndex
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});
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});
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el.on('mouseout', el[UNFOCUS_ADJACENCY] = function () {
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graphView._dispatchUnfocus(api);
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});
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}
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}, this);
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data.graph.eachEdge(function (edge) {
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var el = edge.getGraphicEl();
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el[FOCUS_ADJACENCY] && el.off('mouseover', el[FOCUS_ADJACENCY]);
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el[UNFOCUS_ADJACENCY] && el.off('mouseout', el[UNFOCUS_ADJACENCY]);
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if (edge.getModel().get('focusNodeAdjacency')) {
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el.on('mouseover', el[FOCUS_ADJACENCY] = function () {
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graphView._clearTimer();
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api.dispatchAction({
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type: 'focusNodeAdjacency',
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seriesId: seriesModel.id,
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edgeDataIndex: edge.dataIndex
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});
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});
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el.on('mouseout', el[UNFOCUS_ADJACENCY] = function () {
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graphView._dispatchUnfocus(api);
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});
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}
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});
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var circularRotateLabel = seriesModel.get('layout') === 'circular' && seriesModel.get('circular.rotateLabel');
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var cx = data.getLayout('cx');
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var cy = data.getLayout('cy');
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data.eachItemGraphicEl(function (el, idx) {
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var itemModel = data.getItemModel(idx);
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var labelRotate = itemModel.get('label.rotate') || 0;
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var symbolPath = el.getSymbolPath();
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if (circularRotateLabel) {
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var pos = data.getItemLayout(idx);
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var rad = Math.atan2(pos[1] - cy, pos[0] - cx);
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if (rad < 0) {
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rad = Math.PI * 2 + rad;
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}
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var isLeft = pos[0] < cx;
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if (isLeft) {
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rad = rad - Math.PI;
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}
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var textPosition = isLeft ? 'left' : 'right';
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graphic.modifyLabelStyle(symbolPath, {
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textRotation: -rad,
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textPosition: textPosition,
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textOrigin: 'center'
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}, {
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textPosition: textPosition
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});
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} else {
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graphic.modifyLabelStyle(symbolPath, {
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textRotation: labelRotate *= Math.PI / 180
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});
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}
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});
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this._firstRender = false;
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},
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dispose: function () {
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this._controller && this._controller.dispose();
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this._controllerHost = {};
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this._clearTimer();
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},
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_dispatchUnfocus: function (api, opt) {
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var self = this;
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this._clearTimer();
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this._unfocusDelayTimer = setTimeout(function () {
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self._unfocusDelayTimer = null;
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api.dispatchAction({
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type: 'unfocusNodeAdjacency',
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seriesId: self._model.id
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});
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}, 500);
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},
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_clearTimer: function () {
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if (this._unfocusDelayTimer) {
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clearTimeout(this._unfocusDelayTimer);
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this._unfocusDelayTimer = null;
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}
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},
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focusNodeAdjacency: function (seriesModel, ecModel, api, payload) {
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var data = seriesModel.getData();
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var graph = data.graph;
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var dataIndex = payload.dataIndex;
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var edgeDataIndex = payload.edgeDataIndex;
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var node = graph.getNodeByIndex(dataIndex);
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var edge = graph.getEdgeByIndex(edgeDataIndex);
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if (!node && !edge) {
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return;
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}
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graph.eachNode(function (node) {
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fadeOutItem(node, nodeOpacityPath, 0.1);
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});
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graph.eachEdge(function (edge) {
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fadeOutItem(edge, lineOpacityPath, 0.1);
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});
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if (node) {
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fadeInItem(node, nodeOpacityPath);
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zrUtil.each(node.edges, function (adjacentEdge) {
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if (adjacentEdge.dataIndex < 0) {
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return;
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}
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fadeInItem(adjacentEdge, lineOpacityPath);
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fadeInItem(adjacentEdge.node1, nodeOpacityPath);
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fadeInItem(adjacentEdge.node2, nodeOpacityPath);
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});
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}
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if (edge) {
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fadeInItem(edge, lineOpacityPath);
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fadeInItem(edge.node1, nodeOpacityPath);
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fadeInItem(edge.node2, nodeOpacityPath);
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}
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},
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unfocusNodeAdjacency: function (seriesModel, ecModel, api, payload) {
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var graph = seriesModel.getData().graph;
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graph.eachNode(function (node) {
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fadeOutItem(node, nodeOpacityPath);
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});
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graph.eachEdge(function (edge) {
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fadeOutItem(edge, lineOpacityPath);
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});
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},
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_startForceLayoutIteration: function (forceLayout, layoutAnimation) {
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var self = this;
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(function step() {
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forceLayout.step(function (stopped) {
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self.updateLayout(self._model);
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(self._layouting = !stopped) && (layoutAnimation ? self._layoutTimeout = setTimeout(step, 16) : step());
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});
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})();
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},
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_updateController: function (seriesModel, ecModel, api) {
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var controller = this._controller;
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var controllerHost = this._controllerHost;
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var group = this.group;
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controller.setPointerChecker(function (e, x, y) {
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var rect = group.getBoundingRect();
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rect.applyTransform(group.transform);
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return rect.contain(x, y) && !onIrrelevantElement(e, api, seriesModel);
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});
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if (seriesModel.coordinateSystem.type !== 'view') {
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controller.disable();
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return;
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}
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controller.enable(seriesModel.get('roam'));
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controllerHost.zoomLimit = seriesModel.get('scaleLimit');
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controllerHost.zoom = seriesModel.coordinateSystem.getZoom();
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controller.off('pan').off('zoom').on('pan', function (e) {
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roamHelper.updateViewOnPan(controllerHost, e.dx, e.dy);
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api.dispatchAction({
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seriesId: seriesModel.id,
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type: 'graphRoam',
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dx: e.dx,
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dy: e.dy
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});
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}).on('zoom', function (e) {
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roamHelper.updateViewOnZoom(controllerHost, e.scale, e.originX, e.originY);
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api.dispatchAction({
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seriesId: seriesModel.id,
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type: 'graphRoam',
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zoom: e.scale,
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originX: e.originX,
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originY: e.originY
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});
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this._updateNodeAndLinkScale();
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adjustEdge(seriesModel.getGraph(), getNodeGlobalScale(seriesModel));
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this._lineDraw.updateLayout();
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}, this);
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},
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_updateNodeAndLinkScale: function () {
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var seriesModel = this._model;
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var data = seriesModel.getData();
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var nodeScale = getNodeGlobalScale(seriesModel);
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var invScale = [nodeScale, nodeScale];
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data.eachItemGraphicEl(function (el, idx) {
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el.attr('scale', invScale);
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});
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},
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updateLayout: function (seriesModel) {
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adjustEdge(seriesModel.getGraph(), getNodeGlobalScale(seriesModel));
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this._symbolDraw.updateLayout();
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this._lineDraw.updateLayout();
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},
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remove: function (ecModel, api) {
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this._symbolDraw && this._symbolDraw.remove();
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this._lineDraw && this._lineDraw.remove();
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}
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});
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module.exports = _default; |