markgojs
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Interactive diagrams, charts, and graphs, such as trees, flowcharts, orgcharts, UML, BPMN, or business diagrams
331 lines (330 loc) • 14 kB
JavaScript
var __extends = (this && this.__extends) || (function () {
var extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
return function (d, b) {
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
(function (factory) {
if (typeof module === "object" && typeof module.exports === "object") {
var v = factory(require, exports);
if (v !== undefined) module.exports = v;
}
else if (typeof define === "function" && define.amd) {
define(["require", "exports", "../release/go"], factory);
}
})(function (require, exports) {
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
/*
* Copyright (C) 1998-2019 by Northwoods Software Corporation. All Rights Reserved.
*/
var go = require("../release/go");
// A custom Tool for resizing each column of a named Table Panel in a selected Part.
/**
* @constructor
* @extends Tool
* @class
*/
var ColumnResizingTool = /** @class */ (function (_super) {
__extends(ColumnResizingTool, _super);
function ColumnResizingTool() {
var _this = _super.call(this) || this;
/** @type {string} */
_this._tableName = "TABLE";
// internal state
/** @type {GraphObject} */
_this._handle = null;
/** @type {Panel} */
_this._adornedTable = null;
var h = new go.Shape;
h.geometryString = "M0 0 V14 M2 0 V14";
h.desiredSize = new go.Size(2, 14);
h.cursor = "col-resize";
h.geometryStretch = go.GraphObject.None;
h.background = "rgba(255,255,255,0.5)";
h.stroke = "rgba(30,144,255,0.5)";
_this._handleArchetype = h;
_this.name = "ColumnResizing";
return _this;
}
Object.defineProperty(ColumnResizingTool.prototype, "handleArchetype", {
/**
* A small GraphObject used as a resize handle for each column.
* This tool expects that this object's {@link GraphObject#desiredSize} (a.k.a width and height) has been set to real numbers.
* @name ColumnResizingTool#handleArchetype
* @function.
* @return {Shape}
*/
get: function () { return this._handleArchetype; },
set: function (val) { this._handleArchetype = val; },
enumerable: true,
configurable: true
});
Object.defineProperty(ColumnResizingTool.prototype, "tableName", {
/**
* The name of the Table Panel to be resized, by default the name "TABLE".
* @name ColumnResizingTool#tableName
* @function.
* @return {string}
*/
get: function () { return this._tableName; },
set: function (val) { this._tableName = val; },
enumerable: true,
configurable: true
});
Object.defineProperty(ColumnResizingTool.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 "ColumnResizing".
* Its {@link Adornment#adornedObject} is the same as the {@link #adornedTable}.
* @name ColumnResizingTool#handle
* @function.
* @return {GraphObject}
*/
get: function () { return this._handle; },
enumerable: true,
configurable: true
});
Object.defineProperty(ColumnResizingTool.prototype, "adornedTable", {
/**
* Gets the {@link Panel} of type {@link Panel#Table} whose columns may be resized.
* This must be contained within the selected Part.
* @name ColumnResizingTool#adornedTable
* @function.
* @return {Panel}
*/
get: function () { return this._adornedTable; },
enumerable: true,
configurable: true
});
/**
* Show an {@link Adornment} with a resize handle at each column.
* Don't show anything if {@link #tableName} doesn't identify a {@link Panel}
* that has a {@link Panel#type} of type {@link Panel#Table}.
* @this {ColumnResizingTool}
* @param {Part} part the part.
*/
ColumnResizingTool.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.tableName);
if (selelt instanceof go.Panel && selelt.actualBounds.isReal() && selelt.isVisibleObject() &&
part.actualBounds.isReal() && part.isVisible() &&
selelt.type === go.Panel.Table) {
var table = selelt;
var adornment = part.findAdornment(this.name);
if (adornment === null) {
adornment = this.makeAdornment(table);
part.addAdornment(this.name, adornment);
}
if (adornment !== null) {
var pad = table.padding;
var numcols = table.columnCount;
// update the position/alignment of each handle
adornment.elements.each(function (h) {
if (!h.pickable)
return;
var coldef = table.getColumnDefinition(h.column);
var wid = coldef.actual;
if (wid > 0)
wid = coldef.total;
var sep = 0;
// find next non-zero-width column's separatorStrokeWidth
var idx = h.column + 1;
while (idx < numcols && table.getColumnDefinition(idx).actual === 0)
idx++;
if (idx < numcols) {
sep = table.getColumnDefinition(idx).separatorStrokeWidth;
if (isNaN(sep))
sep = table.defaultColumnSeparatorStrokeWidth;
}
h.alignment = new go.Spot(0, 0, pad.left + coldef.position + wid + sep / 2, pad.top + h.height / 2);
});
adornment.locationObject.desiredSize = table.actualBounds.size;
adornment.location = table.getDocumentPoint(adornment.locationSpot);
adornment.angle = table.getDocumentAngle();
return;
}
}
}
part.removeAdornment(this.name);
};
;
/**
* @this {ColumnResizingTool}
* @param {Panel} table the Table Panel whose columns may be resized
* @return {Adornment}
*/
ColumnResizingTool.prototype.makeAdornment = function (table) {
// the Adornment is a Spot Panel holding resize handles
var adornment = new go.Adornment();
adornment.category = this.name;
adornment.adornedObject = table;
adornment.type = go.Panel.Spot;
adornment.locationObjectName = "BLOCK";
// create the "main" element of the Spot Panel
var block = new go.TextBlock(); // doesn't matter much what this is
block.name = "BLOCK";
block.pickable = false; // it's transparent and not pickable
adornment.add(block);
// now add resize handles for each column
for (var i = 0; i < table.columnCount; i++) {
var coldef = table.getColumnDefinition(i);
adornment.add(this.makeHandle(table, coldef));
}
return adornment;
};
;
/**
* @this {ColumnResizingTool}
* @param {Panel} table the Table Panel whose columns may be resized
* @param {RowColumnDefinition} coldef the column definition to be resized
* @return a copy of the {@link #handleArchetype}
*/
ColumnResizingTool.prototype.makeHandle = function (table, coldef) {
var h = this.handleArchetype;
if (h === null)
return null;
var c = h.copy();
c.column = coldef.index;
return c;
};
;
/**
* This predicate is true when there is a resize handle at the mouse down point.
* @this {ColumnResizingTool}
* @return {boolean}
*/
ColumnResizingTool.prototype.canStart = function () {
if (!this.isEnabled)
return false;
var diagram = this.diagram;
if (diagram === null || diagram.isReadOnly)
return false;
if (!diagram.lastInput.left)
return false;
var h = this.findToolHandleAt(diagram.firstInput.documentPoint, this.name);
return (h !== null);
};
;
/**
* @this {ColumnResizingTool}
*/
ColumnResizingTool.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 panel = this.handle.part.adornedObject;
if (!panel || panel.type !== go.Panel.Table)
return;
this._adornedTable = panel;
diagram.isMouseCaptured = true;
this.startTransaction(this.name);
this.isActive = true;
};
;
/**
* @this {ColumnResizingTool}
*/
ColumnResizingTool.prototype.doDeactivate = function () {
this.stopTransaction();
this._handle = null;
this._adornedTable = null;
var diagram = this.diagram;
if (diagram !== null)
diagram.isMouseCaptured = false;
this.isActive = false;
};
;
/**
* @this {ColumnResizingTool}
*/
ColumnResizingTool.prototype.doMouseMove = function () {
var diagram = this.diagram;
if (this.isActive && diagram !== null) {
var newpt = this.computeResize(diagram.lastInput.documentPoint);
this.resize(newpt);
}
};
;
/**
* @this {ColumnResizingTool}
*/
ColumnResizingTool.prototype.doMouseUp = function () {
var diagram = this.diagram;
if (this.isActive && diagram !== null) {
var newpt = this.computeResize(diagram.lastInput.documentPoint);
this.resize(newpt);
this.transactionResult = this.name; // success
}
this.stopTool();
};
;
/**
* This should change the {@link RowColumnDefinition#width} of the column being resized
* to a value corresponding to the given mouse point.
* @expose
* @this {ColumnResizingTool}
* @param {Point} newPoint the value of the call to {@link #computeResize}.
*/
ColumnResizingTool.prototype.resize = function (newPoint) {
var table = this.adornedTable;
var pad = table.padding;
var numcols = table.columnCount;
var locpt = table.getLocalPoint(newPoint);
var h = this.handle;
var coldef = table.getColumnDefinition(h.column);
var sep = 0;
var idx = h.column + 1;
while (idx < numcols && table.getColumnDefinition(idx).actual === 0)
idx++;
if (idx < numcols) {
sep = table.getColumnDefinition(idx).separatorStrokeWidth;
if (isNaN(sep))
sep = table.defaultColumnSeparatorStrokeWidth;
}
coldef.width = Math.max(0, locpt.x - pad.left - coldef.position - (coldef.total - coldef.actual) - sep / 2);
};
;
/**
* This can be overridden in order to customize the resizing process.
* @expose
* @this {ColumnResizingTool}
* @param {Point} p the point where the handle is being dragged.
* @return {Point}
*/
ColumnResizingTool.prototype.computeResize = function (p) {
return p;
};
;
/**
* Pressing the Delete key removes any column width setting and stops this tool.
* @this {ColumnResizingTool}
*/
ColumnResizingTool.prototype.doKeyDown = function () {
if (!this.isActive)
return;
var e = this.diagram.lastInput;
if (e.key === 'Del' || e.key === '\t') { // remove width setting
var coldef = this.adornedTable.getColumnDefinition(this.handle.column);
coldef.width = NaN;
this.transactionResult = this.name; // success
this.stopTool();
}
else {
this.doKeyDown.call(this);
}
};
;
return ColumnResizingTool;
}(go.Tool));
exports.ColumnResizingTool = ColumnResizingTool;
});