project/node_modules/echarts/lib/chart/graph/GraphView.js

266 lines
9.5 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.
*/
/**
* AUTO-GENERATED FILE. DO NOT MODIFY.
*/
/*
* 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.
*/
import { __extends } from "tslib";
import SymbolDraw from '../helper/SymbolDraw.js';
import LineDraw from '../helper/LineDraw.js';
import RoamController from '../../component/helper/RoamController.js';
import * as roamHelper from '../../component/helper/roamHelper.js';
import { onIrrelevantElement } from '../../component/helper/cursorHelper.js';
import * as graphic from '../../util/graphic.js';
import adjustEdge from './adjustEdge.js';
import { getNodeGlobalScale } from './graphHelper.js';
import ChartView from '../../view/Chart.js';
import { getECData } from '../../util/innerStore.js';
import { simpleLayoutEdge } from './simpleLayoutHelper.js';
import { circularLayout, rotateNodeLabel } from './circularLayoutHelper.js';
function isViewCoordSys(coordSys) {
return coordSys.type === 'view';
}
var GraphView = /** @class */function (_super) {
__extends(GraphView, _super);
function GraphView() {
var _this = _super !== null && _super.apply(this, arguments) || this;
_this.type = GraphView.type;
return _this;
}
GraphView.prototype.init = function (ecModel, api) {
var symbolDraw = new SymbolDraw();
var lineDraw = new LineDraw();
var group = this.group;
this._controller = new RoamController(api.getZr());
this._controllerHost = {
target: group
};
group.add(symbolDraw.group);
group.add(lineDraw.group);
this._symbolDraw = symbolDraw;
this._lineDraw = lineDraw;
this._firstRender = true;
};
GraphView.prototype.render = function (seriesModel, ecModel, api) {
var _this = this;
var coordSys = seriesModel.coordinateSystem;
this._model = seriesModel;
var symbolDraw = this._symbolDraw;
var lineDraw = this._lineDraw;
var group = this.group;
if (isViewCoordSys(coordSys)) {
var groupNewProp = {
x: coordSys.x,
y: coordSys.y,
scaleX: coordSys.scaleX,
scaleY: coordSys.scaleY
};
if (this._firstRender) {
group.attr(groupNewProp);
} else {
graphic.updateProps(group, groupNewProp, seriesModel);
}
}
// Fix edge contact point with node
adjustEdge(seriesModel.getGraph(), getNodeGlobalScale(seriesModel));
var data = seriesModel.getData();
symbolDraw.updateData(data);
var edgeData = seriesModel.getEdgeData();
// TODO: TYPE
lineDraw.updateData(edgeData);
this._updateNodeAndLinkScale();
this._updateController(seriesModel, ecModel, api);
clearTimeout(this._layoutTimeout);
var forceLayout = seriesModel.forceLayout;
var layoutAnimation = seriesModel.get(['force', 'layoutAnimation']);
if (forceLayout) {
this._startForceLayoutIteration(forceLayout, layoutAnimation);
}
var layout = seriesModel.get('layout');
data.graph.eachNode(function (node) {
var idx = node.dataIndex;
var el = node.getGraphicEl();
var itemModel = node.getModel();
if (!el) {
return;
}
// Update draggable
el.off('drag').off('dragend');
var draggable = itemModel.get('draggable');
if (draggable) {
el.on('drag', function (e) {
switch (layout) {
case 'force':
forceLayout.warmUp();
!_this._layouting && _this._startForceLayoutIteration(forceLayout, layoutAnimation);
forceLayout.setFixed(idx);
// Write position back to layout
data.setItemLayout(idx, [el.x, el.y]);
break;
case 'circular':
data.setItemLayout(idx, [el.x, el.y]);
// mark node fixed
node.setLayout({
fixed: true
}, true);
// recalculate circular layout
circularLayout(seriesModel, 'symbolSize', node, [e.offsetX, e.offsetY]);
_this.updateLayout(seriesModel);
break;
case 'none':
default:
data.setItemLayout(idx, [el.x, el.y]);
// update edge
simpleLayoutEdge(seriesModel.getGraph(), seriesModel);
_this.updateLayout(seriesModel);
break;
}
}).on('dragend', function () {
if (forceLayout) {
forceLayout.setUnfixed(idx);
}
});
}
el.setDraggable(draggable, !!itemModel.get('cursor'));
var focus = itemModel.get(['emphasis', 'focus']);
if (focus === 'adjacency') {
getECData(el).focus = node.getAdjacentDataIndices();
}
});
data.graph.eachEdge(function (edge) {
var el = edge.getGraphicEl();
var focus = edge.getModel().get(['emphasis', 'focus']);
if (!el) {
return;
}
if (focus === 'adjacency') {
getECData(el).focus = {
edge: [edge.dataIndex],
node: [edge.node1.dataIndex, edge.node2.dataIndex]
};
}
});
var circularRotateLabel = seriesModel.get('layout') === 'circular' && seriesModel.get(['circular', 'rotateLabel']);
var cx = data.getLayout('cx');
var cy = data.getLayout('cy');
data.graph.eachNode(function (node) {
rotateNodeLabel(node, circularRotateLabel, cx, cy);
});
this._firstRender = false;
};
GraphView.prototype.dispose = function () {
this.remove();
this._controller && this._controller.dispose();
this._controllerHost = null;
};
GraphView.prototype._startForceLayoutIteration = function (forceLayout, layoutAnimation) {
var self = this;
(function step() {
forceLayout.step(function (stopped) {
self.updateLayout(self._model);
(self._layouting = !stopped) && (layoutAnimation ? self._layoutTimeout = setTimeout(step, 16) : step());
});
})();
};
GraphView.prototype._updateController = function (seriesModel, ecModel, api) {
var _this = this;
var controller = this._controller;
var controllerHost = this._controllerHost;
var group = this.group;
controller.setPointerChecker(function (e, x, y) {
var rect = group.getBoundingRect();
rect.applyTransform(group.transform);
return rect.contain(x, y) && !onIrrelevantElement(e, api, seriesModel);
});
if (!isViewCoordSys(seriesModel.coordinateSystem)) {
controller.disable();
return;
}
controller.enable(seriesModel.get('roam'));
controllerHost.zoomLimit = seriesModel.get('scaleLimit');
controllerHost.zoom = seriesModel.coordinateSystem.getZoom();
controller.off('pan').off('zoom').on('pan', function (e) {
roamHelper.updateViewOnPan(controllerHost, e.dx, e.dy);
api.dispatchAction({
seriesId: seriesModel.id,
type: 'graphRoam',
dx: e.dx,
dy: e.dy
});
}).on('zoom', function (e) {
roamHelper.updateViewOnZoom(controllerHost, e.scale, e.originX, e.originY);
api.dispatchAction({
seriesId: seriesModel.id,
type: 'graphRoam',
zoom: e.scale,
originX: e.originX,
originY: e.originY
});
_this._updateNodeAndLinkScale();
adjustEdge(seriesModel.getGraph(), getNodeGlobalScale(seriesModel));
_this._lineDraw.updateLayout();
// Only update label layout on zoom
api.updateLabelLayout();
});
};
GraphView.prototype._updateNodeAndLinkScale = function () {
var seriesModel = this._model;
var data = seriesModel.getData();
var nodeScale = getNodeGlobalScale(seriesModel);
data.eachItemGraphicEl(function (el, idx) {
el && el.setSymbolScale(nodeScale);
});
};
GraphView.prototype.updateLayout = function (seriesModel) {
adjustEdge(seriesModel.getGraph(), getNodeGlobalScale(seriesModel));
this._symbolDraw.updateLayout();
this._lineDraw.updateLayout();
};
GraphView.prototype.remove = function () {
clearTimeout(this._layoutTimeout);
this._layouting = false;
this._layoutTimeout = null;
this._symbolDraw && this._symbolDraw.remove();
this._lineDraw && this._lineDraw.remove();
};
GraphView.type = 'graph';
return GraphView;
}(ChartView);
export default GraphView;