markgojs
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Interactive diagrams, charts, and graphs, such as trees, flowcharts, orgcharts, UML, BPMN, or business diagrams
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JavaScript
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var extendStatics = Object.setPrototypeOf ||
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(function (factory) {
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var v = factory(require, exports);
if (v !== undefined) module.exports = v;
}
else if (typeof define === "function" && define.amd) {
define(["require", "exports", "../release/go"], factory);
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"use strict";
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/*
* Copyright (C) 1998-2019 by Northwoods Software Corporation. All Rights Reserved.
*/
var go = require("../release/go");
/**
* @constructor
* @extends Tool
* @class
* This GeometryReshapingTool class allows for a Shape's Geometry to be modified by the user
* via the dragging of tool handles.
* This does not handle Links, whose routes should be reshaped by the LinkReshapingTool.
* The {@link #reshapeObjectName} needs to identify the named {@link Shape} within the
* selected {@link Part}.
* If the shape cannot be found or if its {@link Shape#geometry} is not of type {@link Geometry#Path},
* this will not show any GeometryReshaping {@link Adornment}.
* At the current time this tool does not support adding or removing {@link PathSegment}s to the Geometry.
*/
var GeometryReshapingTool = /** @class */ (function (_super) {
__extends(GeometryReshapingTool, _super);
function GeometryReshapingTool() {
var _this = _super.call(this) || this;
/** @type {string} */
_this._reshapeObjectName = 'SHAPE'; //??? can't add Part.reshapeObjectName property
// there's no Part.reshapeAdornmentTemplate either
// internal state
/** @type {GraphObject} */
_this._handle = null;
/** @type {Shape} */
_this._adornedShape = null;
/** @type {Geometry} */
_this._originalGeometry = null; // in case the tool is cancelled and the UndoManager is not enabled
var h = new go.Shape();
h.figure = "Diamond";
h.desiredSize = new go.Size(7, 7);
h.fill = "lightblue";
h.stroke = "dodgerblue";
h.cursor = "move";
_this._handleArchetype = h;
_this.name = "GeometryReshaping";
return _this;
}
Object.defineProperty(GeometryReshapingTool.prototype, "handleArchetype", {
/**
* A small GraphObject used as a reshape handle for each segment.
* The default GraphObject is a small blue diamond.
* @name GeometryReshapingTool#handleArchetype
* @function.
* @return {GraphObject}
*/
get: function () { return this._handleArchetype; },
set: function (value) { this._handleArchetype = value; },
enumerable: true,
configurable: true
});
Object.defineProperty(GeometryReshapingTool.prototype, "reshapeObjectName", {
/**
* The name of the GraphObject to be reshaped.
* @name GeometryReshapingTool#reshapeObjectName
* @function.
* @return {string}
*/
get: function () { return this._reshapeObjectName; },
set: function (value) { this._reshapeObjectName = value; },
enumerable: true,
configurable: true
});
Object.defineProperty(GeometryReshapingTool.prototype, "handle", {
/**
* This read-only property returns the {@link GraphObject} that is the tool handle being dragged by the user.
* This will be contained by an {@link Adornment} whose category is "GeometryReshaping".
* Its {@link Adornment#adornedObject} is the same as the {@link #adornedShape}.
* @name GeometryReshapingTool#handle
* @function.
* @return {GraphObject}
*/
get: function () { return this._handle; },
enumerable: true,
configurable: true
});
Object.defineProperty(GeometryReshapingTool.prototype, "adornedShape", {
/**
* Gets the {@link Shape} that is being reshaped.
* This must be contained within the selected Part.
* @name GeometryReshapingTool#adornedShape
* @function.
* @return {Shape}
*/
get: function () { return this._adornedShape; },
enumerable: true,
configurable: true
});
Object.defineProperty(GeometryReshapingTool.prototype, "originalGeometry", {
/**
* This read-only property remembers the original value for {@link Shape#geometry},
* so that it can be restored if this tool is cancelled.
* @name GeometryReshapingTool#originalGeometry
* @function.
* @return {Geometry}
*/
get: function () { return this._originalGeometry; },
enumerable: true,
configurable: true
});
/**
* Show an {@link Adornment} with a reshape handle at each point of the geometry.
* Don't show anything if {@link #reshapeObjectName} doesn't identify a {@link Shape}
* that has a {@link Shape#geometry} of type {@link Geometry#Path}.
* @this {GeometryReshapingTool}
* @param {Part} part the part.
*/
GeometryReshapingTool.prototype.updateAdornments = function (part) {
if (part === null || part instanceof go.Link)
return; // this tool never applies to Links
if (part.isSelected && !this.diagram.isReadOnly) {
var selelt = part.findObject(this.reshapeObjectName);
if (selelt instanceof go.Shape && selelt.actualBounds.isReal() && selelt.isVisibleObject() &&
part.canReshape() && part.actualBounds.isReal() && part.isVisible() &&
selelt.geometry.type === go.Geometry.Path) {
var adornment = part.findAdornment(this.name);
if (adornment === null) {
adornment = this.makeAdornment(selelt);
}
if (adornment !== null) {
// update the position/alignment of each handle
var geo = selelt.geometry;
var b = geo.bounds;
// update the size of the adornment
adornment.findObject("BODY").desiredSize = b.size;
adornment.elements.each(function (h) {
if (h._typ === undefined)
return;
var fig = geo.figures.elt(h._fig);
var seg = fig.segments.elt(h._seg);
var x = 0;
var y = 0;
switch (h._typ) {
case 0:
x = fig.startX;
y = fig.startY;
break;
case 1:
x = seg.endX;
y = seg.endY;
break;
case 2:
x = seg.point1X;
y = seg.point1Y;
break;
case 3:
x = seg.point2X;
y = seg.point2Y;
break;
}
var bw = b.width;
if (bw === 0)
bw = 0.001;
var bh = b.height;
if (bh === 0)
bh = 0.001;
h.alignment = new go.Spot(Math.max(0, Math.min((x - b.x) / bw, 1)), Math.max(0, Math.min((y - b.y) / bh, 1)));
});
part.addAdornment(this.name, adornment);
adornment.location = selelt.getDocumentPoint(go.Spot.TopLeft);
adornment.angle = selelt.getDocumentAngle();
return;
}
}
}
part.removeAdornment(this.name);
};
;
/**
* @this {GeometryReshapingTool}
*/
GeometryReshapingTool.prototype.makeAdornment = function (selelt) {
var adornment = new go.Adornment();
adornment.type = go.Panel.Spot;
adornment.locationObjectName = "BODY";
adornment.locationSpot = new go.Spot(0, 0, -selelt.strokeWidth / 2, -selelt.strokeWidth / 2);
var h = new go.Shape();
h.name = "BODY";
h.fill = null;
h.stroke = null;
h.strokeWidth = 0;
adornment.add(h);
var geo = selelt.geometry;
// requires Path Geometry, checked above in updateAdornments
for (var f = 0; f < geo.figures.count; f++) {
var fig = geo.figures.elt(f);
for (var g = 0; g < fig.segments.count; g++) {
var seg = fig.segments.elt(g);
var h;
if (g === 0) {
h = this.makeHandle(selelt, fig, seg);
if (h !== null) {
h._typ = 0;
h._fig = f;
h._seg = g;
adornment.add(h);
}
}
h = this.makeHandle(selelt, fig, seg);
if (h !== null) {
h._typ = 1;
h._fig = f;
h._seg = g;
adornment.add(h);
}
if (seg.type === go.PathSegment.QuadraticBezier || seg.type === go.PathSegment.Bezier) {
h = this.makeHandle(selelt, fig, seg);
if (h !== null) {
h._typ = 2;
h._fig = f;
h._seg = g;
adornment.add(h);
}
if (seg.type === go.PathSegment.Bezier) {
h = this.makeHandle(selelt, fig, seg);
if (h !== null) {
h._typ = 3;
h._fig = f;
h._seg = g;
adornment.add(h);
}
}
}
}
}
adornment.category = this.name;
adornment.adornedObject = selelt;
return adornment;
};
;
/**
* @this {GeometryReshapingTool}
*/
GeometryReshapingTool.prototype.makeHandle = function (selelt, fig, seg) {
var h = this.handleArchetype;
if (h === null)
return null;
return h.copy();
};
;
/**
* @this {GeometryReshapingTool}
*/
GeometryReshapingTool.prototype.canStart = function () {
if (!this.isEnabled)
return false;
var diagram = this.diagram;
if (diagram === null || diagram.isReadOnly)
return false;
if (!diagram.allowReshape)
return false;
if (!diagram.lastInput.left)
return false;
var h = this.findToolHandleAt(diagram.firstInput.documentPoint, this.name);
return (h !== null);
};
;
/**
* @this {GeometryReshapingTool}
*/
GeometryReshapingTool.prototype.doActivate = function () {
var diagram = this.diagram;
if (diagram === null)
return;
this._handle = this.findToolHandleAt(diagram.firstInput.documentPoint, this.name);
if (this._handle === null)
return;
var shape = this.handle.part.adornedObject;
if (!shape)
return;
this._adornedShape = shape;
diagram.isMouseCaptured = true;
this.startTransaction(this.name);
this._originalGeometry = shape.geometry;
this.isActive = true;
};
;
/**
* @this {GeometryReshapingTool}
*/
GeometryReshapingTool.prototype.doDeactivate = function () {
this.stopTransaction();
this._handle = null;
this._adornedShape = null;
var diagram = this.diagram;
if (diagram !== null)
diagram.isMouseCaptured = false;
this.isActive = false;
};
;
/**
* @this {GeometryReshapingTool}
*/
GeometryReshapingTool.prototype.doCancel = function () {
var shape = this._adornedShape;
if (shape !== null) {
// explicitly restore the original route, in case !UndoManager.isEnabled
shape.geometry = this._originalGeometry;
}
this.stopTool();
};
;
/**
* @this {GeometryReshapingTool}
*/
GeometryReshapingTool.prototype.doMouseMove = function () {
var diagram = this.diagram;
if (this.isActive && diagram !== null) {
var newpt = this.computeReshape(diagram.lastInput.documentPoint);
this.reshape(newpt);
}
};
;
/**
* @this {GeometryReshapingTool}
*/
GeometryReshapingTool.prototype.doMouseUp = function () {
var diagram = this.diagram;
if (this.isActive && diagram !== null) {
var newpt = this.computeReshape(diagram.lastInput.documentPoint);
this.reshape(newpt);
this.transactionResult = this.name; // success
}
this.stopTool();
};
;
/**
* @expose
* @this {GeometryReshapingTool}
* @param {Point} newPoint the value of the call to {@link #computeReshape}.
*/
GeometryReshapingTool.prototype.reshape = function (newPoint) {
var shape = this.adornedShape;
var locpt = shape.getLocalPoint(newPoint);
var geo = shape.geometry.copy();
shape.desiredSize = new go.Size(NaN, NaN); // set the desiredSize once we've gotten our Geometry so we don't clobber
var type = this.handle._typ;
if (type === undefined)
return;
var fig = geo.figures.elt(this.handle._fig);
var seg = fig.segments.elt(this.handle._seg);
switch (type) {
case 0:
fig.startX = locpt.x;
fig.startY = locpt.y;
break;
case 1:
seg.endX = locpt.x;
seg.endY = locpt.y;
break;
case 2:
seg.point1X = locpt.x;
seg.point1Y = locpt.y;
break;
case 3:
seg.point2X = locpt.x;
seg.point2Y = locpt.y;
break;
}
var offset = geo.normalize(); // avoid any negative coordinates in the geometry
shape.geometry = geo; // modify the Shape
var part = shape.part; // move the Part holding the Shape
if (!part.locationSpot.equals(go.Spot.Center)) { // but only if the locationSpot isn't Center
part.move(part.position.copy().subtract(offset));
}
this.updateAdornments(part); // update any Adornments of the Part
this.diagram.maybeUpdate(); // force more frequent drawing for smoother looking behavior
};
;
/**
* @expose
* @this {GeometryReshapingTool}
* @param {Point} p the point where the handle is being dragged.
* @return {Point}
*/
GeometryReshapingTool.prototype.computeReshape = function (p) {
return p; // no constraints on the points
};
;
return GeometryReshapingTool;
}(go.Tool));
exports.GeometryReshapingTool = GeometryReshapingTool;
});