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393 lines
18 KiB
393 lines
18 KiB
/*
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* Copyright (C) 1998-2019 by Northwoods Software Corporation. All Rights Reserved.
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*/
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var __extends = (this && this.__extends) || (function () {
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var extendStatics = function (d, b) {
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extendStatics = Object.setPrototypeOf ||
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({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
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function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
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return extendStatics(d, b);
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};
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return function (d, b) {
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extendStatics(d, b);
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function __() { this.constructor = d; }
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d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
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};
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})();
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(function (factory) {
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if (typeof module === "object" && typeof module.exports === "object") {
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var v = factory(require, exports);
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if (v !== undefined) module.exports = v;
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}
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else if (typeof define === "function" && define.amd) {
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define(["require", "exports", "../release/go"], factory);
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}
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})(function (require, exports) {
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"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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var go = require("../release/go");
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/**
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* The GeometryReshapingTool class allows for a Shape's Geometry to be modified by the user
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* via the dragging of tool handles.
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* This does not handle Links, whose routes should be reshaped by the LinkReshapingTool.
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* The {@link #reshapeObjectName} needs to identify the named {@link Shape} within the
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* selected {@link Part}.
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* If the shape cannot be found or if its {@link Shape#geometry} is not of type {@link Geometry.Path},
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* this will not show any GeometryReshaping {@link Adornment}.
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* At the current time this tool does not support adding or removing {@link PathSegment}s to the Geometry.
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*
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* If you want to experiment with this extension, try the <a href="../../extensionsTS/GeometryReshaping.html">Geometry Reshaping</a> sample.
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* @category Tool Extension
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*/
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var GeometryReshapingTool = /** @class */ (function (_super) {
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__extends(GeometryReshapingTool, _super);
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/**
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* Constructs a GeometryReshapingTool and sets the handle and name of the tool.
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*/
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function GeometryReshapingTool() {
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var _this = _super.call(this) || this;
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_this._reshapeObjectName = 'SHAPE'; // ??? can't add Part.reshapeObjectName property
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// there's no Part.reshapeAdornmentTemplate either
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// internal state
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_this._handle = null;
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_this._adornedShape = null;
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_this._originalGeometry = null; // in case the tool is cancelled and the UndoManager is not enabled
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var h = new go.Shape();
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h.figure = 'Diamond';
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h.desiredSize = new go.Size(7, 7);
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h.fill = 'lightblue';
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h.stroke = 'dodgerblue';
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h.cursor = 'move';
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_this._handleArchetype = h;
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_this.name = 'GeometryReshaping';
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return _this;
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}
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Object.defineProperty(GeometryReshapingTool.prototype, "handleArchetype", {
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/**
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* A small GraphObject used as a reshape handle for each segment.
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* The default GraphObject is a small blue diamond.
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*/
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get: function () { return this._handleArchetype; },
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set: function (value) { this._handleArchetype = value; },
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enumerable: true,
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configurable: true
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});
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Object.defineProperty(GeometryReshapingTool.prototype, "reshapeObjectName", {
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/**
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* The name of the GraphObject to be reshaped.
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*/
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get: function () { return this._reshapeObjectName; },
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set: function (value) { this._reshapeObjectName = value; },
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enumerable: true,
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configurable: true
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});
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Object.defineProperty(GeometryReshapingTool.prototype, "handle", {
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/**
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* This read-only property returns the {@link GraphObject} that is the tool handle being dragged by the user.
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* This will be contained by an {@link Adornment} whose category is "GeometryReshaping".
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* Its {@link Adornment#adornedObject} is the same as the {@link #adornedShape}.
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*/
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get: function () { return this._handle; },
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enumerable: true,
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configurable: true
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});
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Object.defineProperty(GeometryReshapingTool.prototype, "adornedShape", {
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/**
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* Gets the {@link Shape} that is being reshaped.
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* This must be contained within the selected Part.
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*/
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get: function () { return this._adornedShape; },
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enumerable: true,
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configurable: true
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});
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Object.defineProperty(GeometryReshapingTool.prototype, "originalGeometry", {
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/**
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* This read-only property remembers the original value for {@link Shape#geometry},
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* so that it can be restored if this tool is cancelled.
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*/
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get: function () { return this._originalGeometry; },
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enumerable: true,
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configurable: true
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});
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/**
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* Show an {@link Adornment} with a reshape handle at each point of the geometry.
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* Don't show anything if {@link #reshapeObjectName} doesn't identify a {@link Shape}
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* that has a {@link Shape#geometry} of type {@link Geometry.Path}.
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*/
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GeometryReshapingTool.prototype.updateAdornments = function (part) {
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if (part === null || part instanceof go.Link)
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return; // this tool never applies to Links
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if (part.isSelected && !this.diagram.isReadOnly) {
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var selelt = part.findObject(this.reshapeObjectName);
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if (selelt instanceof go.Shape && selelt.geometry !== null &&
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selelt.actualBounds.isReal() && selelt.isVisibleObject() &&
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part.canReshape() && part.actualBounds.isReal() && part.isVisible() &&
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selelt.geometry.type === go.Geometry.Path) {
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var adornment = part.findAdornment(this.name);
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if (adornment === null) {
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adornment = this.makeAdornment(selelt);
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}
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if (adornment !== null) {
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// update the position/alignment of each handle
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var geo_1 = selelt.geometry;
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var b_1 = geo_1.bounds;
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// update the size of the adornment
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var body = adornment.findObject('BODY');
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if (body !== null)
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body.desiredSize = b_1.size;
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adornment.elements.each(function (h) {
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if (h._typ === undefined)
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return;
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var fig = geo_1.figures.elt(h._fig);
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var seg = fig.segments.elt(h._seg);
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var x = 0;
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var y = 0;
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switch (h._typ) {
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case 0:
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x = fig.startX;
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y = fig.startY;
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break;
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case 1:
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x = seg.endX;
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y = seg.endY;
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break;
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case 2:
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x = seg.point1X;
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y = seg.point1Y;
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break;
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case 3:
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x = seg.point2X;
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y = seg.point2Y;
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break;
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}
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h.alignment = new go.Spot(0, 0, x - b_1.x, y - b_1.y);
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});
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part.addAdornment(this.name, adornment);
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adornment.location = selelt.getDocumentPoint(go.Spot.TopLeft);
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adornment.angle = selelt.getDocumentAngle();
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return;
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}
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}
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}
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part.removeAdornment(this.name);
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};
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/**
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* @hidden @internal
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*/
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GeometryReshapingTool.prototype.makeAdornment = function (selelt) {
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var adornment = new go.Adornment();
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adornment.type = go.Panel.Spot;
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adornment.locationObjectName = 'BODY';
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adornment.locationSpot = new go.Spot(0, 0, -selelt.strokeWidth / 2, -selelt.strokeWidth / 2);
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var h = new go.Shape();
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h.name = 'BODY';
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h.fill = null;
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h.stroke = null;
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h.strokeWidth = 0;
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adornment.add(h);
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var geo = selelt.geometry;
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if (geo !== null) {
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// requires Path Geometry, checked above in updateAdornments
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for (var f = 0; f < geo.figures.count; f++) {
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var fig = geo.figures.elt(f);
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for (var g = 0; g < fig.segments.count; g++) {
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var seg = fig.segments.elt(g);
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if (g === 0) {
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h = this.makeHandle(selelt, fig, seg);
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if (h !== null) {
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h._typ = 0;
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h._fig = f;
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h._seg = g;
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adornment.add(h);
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}
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}
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h = this.makeHandle(selelt, fig, seg);
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if (h !== null) {
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h._typ = 1;
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h._fig = f;
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h._seg = g;
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adornment.add(h);
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}
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if (seg.type === go.PathSegment.QuadraticBezier || seg.type === go.PathSegment.Bezier) {
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h = this.makeHandle(selelt, fig, seg);
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if (h !== null) {
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h._typ = 2;
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h._fig = f;
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h._seg = g;
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adornment.add(h);
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}
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if (seg.type === go.PathSegment.Bezier) {
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h = this.makeHandle(selelt, fig, seg);
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if (h !== null) {
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h._typ = 3;
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h._fig = f;
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h._seg = g;
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adornment.add(h);
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}
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}
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}
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}
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}
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}
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adornment.category = this.name;
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adornment.adornedObject = selelt;
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return adornment;
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};
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/**
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* @hidden @internal
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*/
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GeometryReshapingTool.prototype.makeHandle = function (selelt, fig, seg) {
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var h = this.handleArchetype;
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if (h === null)
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return null;
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return h.copy();
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};
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/**
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* This tool may run when there is a mouse-down event on a reshape handle.
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*/
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GeometryReshapingTool.prototype.canStart = function () {
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if (!this.isEnabled)
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return false;
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var diagram = this.diagram;
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if (diagram.isReadOnly)
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return false;
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if (!diagram.allowReshape)
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return false;
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if (!diagram.lastInput.left)
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return false;
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var h = this.findToolHandleAt(diagram.firstInput.documentPoint, this.name);
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return (h !== null);
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};
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/**
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* Start reshaping, if {@link #findToolHandleAt} finds a reshape handle at the mouse down point.
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*
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* If successful this sets {@link #handle} to be the reshape handle that it finds
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* and {@link #adornedShape} to be the {@link Shape} being reshaped.
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* It also remembers the original geometry in case this tool is cancelled.
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* And it starts a transaction.
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*/
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GeometryReshapingTool.prototype.doActivate = function () {
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var diagram = this.diagram;
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this._handle = this.findToolHandleAt(diagram.firstInput.documentPoint, this.name);
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if (this._handle === null)
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return;
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var shape = this._handle.part.adornedObject;
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if (!shape)
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return;
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this._adornedShape = shape;
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diagram.isMouseCaptured = true;
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this.startTransaction(this.name);
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this._originalGeometry = shape.geometry;
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this.isActive = true;
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};
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/**
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* This stops the current reshaping operation with the Shape as it is.
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*/
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GeometryReshapingTool.prototype.doDeactivate = function () {
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this.stopTransaction();
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this._handle = null;
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this._adornedShape = null;
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var diagram = this.diagram;
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diagram.isMouseCaptured = false;
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this.isActive = false;
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};
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/**
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* Restore the shape to be the original geometry and stop this tool.
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*/
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GeometryReshapingTool.prototype.doCancel = function () {
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var shape = this._adornedShape;
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if (shape !== null) {
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// explicitly restore the original route, in case !UndoManager.isEnabled
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shape.geometry = this._originalGeometry;
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}
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this.stopTool();
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};
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/**
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* Call {@link #reshape} with a new point determined by the mouse
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* to change the geometry of the {@link #adornedShape}.
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*/
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GeometryReshapingTool.prototype.doMouseMove = function () {
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var diagram = this.diagram;
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if (this.isActive) {
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var newpt = this.computeReshape(diagram.lastInput.documentPoint);
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this.reshape(newpt);
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}
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};
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/**
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* Reshape the Shape's geometry with a point based on the most recent mouse point by calling {@link #reshape},
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* and then stop this tool.
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*/
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GeometryReshapingTool.prototype.doMouseUp = function () {
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var diagram = this.diagram;
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if (this.isActive) {
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var newpt = this.computeReshape(diagram.lastInput.documentPoint);
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this.reshape(newpt);
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this.transactionResult = this.name; // success
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}
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this.stopTool();
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};
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/**
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* Change the geometry of the {@link #adornedShape} by moving the point corresponding to the current
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* {@link #handle} to be at the given {@link Point}.
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* This is called by {@link #doMouseMove} and {@link #doMouseUp} with the result of calling
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* {@link #computeReshape} to constrain the input point.
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* @param {Point} newPoint the value of the call to {@link #computeReshape}.
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*/
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GeometryReshapingTool.prototype.reshape = function (newPoint) {
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var shape = this.adornedShape;
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if (shape === null || shape.geometry === null)
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return;
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var locpt = shape.getLocalPoint(newPoint);
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var geo = shape.geometry.copy();
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shape.desiredSize = new go.Size(NaN, NaN); // set the desiredSize once we've gotten our Geometry so we don't clobber
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var type = this.handle._typ;
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if (type === undefined)
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return;
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var fig = geo.figures.elt(this.handle._fig);
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var seg = fig.segments.elt(this.handle._seg);
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switch (type) {
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case 0:
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fig.startX = locpt.x;
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fig.startY = locpt.y;
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break;
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case 1:
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seg.endX = locpt.x;
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seg.endY = locpt.y;
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break;
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case 2:
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seg.point1X = locpt.x;
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seg.point1Y = locpt.y;
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break;
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case 3:
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seg.point2X = locpt.x;
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seg.point2Y = locpt.y;
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break;
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}
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var offset = geo.normalize(); // avoid any negative coordinates in the geometry
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shape.geometry = geo; // modify the Shape
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var part = shape.part; // move the Part holding the Shape
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if (part !== null) {
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part.ensureBounds();
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if (!part.locationSpot.equals(go.Spot.Center)) { // but only if the locationSpot isn't Center
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// support the whole Node being rotated
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part.move(part.position.copy().subtract(offset.rotate(part.angle)));
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}
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this.updateAdornments(part); // update any Adornments of the Part
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}
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this.diagram.maybeUpdate(); // force more frequent drawing for smoother looking behavior
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};
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/**
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* This is called by {@link #doMouseMove} and {@link #doMouseUp} to limit the input point
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* before calling {@link #reshape}.
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* By default, this doesn't limit the input point.
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* @param {Point} p the point where the handle is being dragged.
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* @return {Point}
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*/
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GeometryReshapingTool.prototype.computeReshape = function (p) {
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return p; // no constraints on the points
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};
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return GeometryReshapingTool;
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}(go.Tool));
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exports.GeometryReshapingTool = GeometryReshapingTool;
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});
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