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317 lines
14 KiB
317 lines
14 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 ColumnResizingTool class lets the user resize each column of a named Table Panel in a selected Part.
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*
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* If you want to experiment with this extension, try the <a href="../../extensionsTS/ColumnResizing.html">Column Resizing</a> sample.
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* @category Tool Extension
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*/
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var ColumnResizingTool = /** @class */ (function (_super) {
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__extends(ColumnResizingTool, _super);
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/**
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* Constructs a ColumnResizingTool and sets the handle and name of the tool.
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*/
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function ColumnResizingTool() {
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var _this = _super.call(this) || this;
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_this._tableName = 'TABLE';
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// internal state
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_this._handle = null;
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_this._adornedTable = null;
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var h = new go.Shape();
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h.geometryString = 'M0 0 V14 M2 0 V14';
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h.desiredSize = new go.Size(2, 14);
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h.cursor = 'col-resize';
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h.geometryStretch = go.GraphObject.None;
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h.background = 'rgba(255,255,255,0.5)';
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h.stroke = 'rgba(30,144,255,0.5)';
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_this._handleArchetype = h;
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_this.name = 'ColumnResizing';
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return _this;
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}
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Object.defineProperty(ColumnResizingTool.prototype, "handleArchetype", {
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/**
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* Gets or sets small GraphObject that is copied as a resize handle for each column.
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* This tool expects that this object's {@link GraphObject#desiredSize} (a.k.a width and height) has been set to real numbers.
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*
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* The default value is a {@link Shape} that is a narrow rectangle.
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*/
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get: function () { return this._handleArchetype; },
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set: function (val) { this._handleArchetype = val; },
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enumerable: true,
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configurable: true
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});
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Object.defineProperty(ColumnResizingTool.prototype, "tableName", {
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/**
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* Gets or sets the name of the Table Panel to be resized.
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*
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* The default value is the name "TABLE".
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*/
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get: function () { return this._tableName; },
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set: function (val) { this._tableName = val; },
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enumerable: true,
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configurable: true
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});
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Object.defineProperty(ColumnResizingTool.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 "ColumnResizing".
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* Its {@link Adornment#adornedObject} is the same as the {@link #adornedTable}.
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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(ColumnResizingTool.prototype, "adornedTable", {
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/**
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* This read-only property returns the {@link Panel} of type {@link Panel.Table} whose columns are being resized.
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* This must be contained within the selected {@link Part}.
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*/
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get: function () { return this._adornedTable; },
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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 resize handle at each column.
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* Don't show anything if {@link #tableName} doesn't identify a {@link Panel}
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* that has a {@link Panel#type} of type {@link Panel.Table}.
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*/
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ColumnResizingTool.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.tableName);
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if (selelt instanceof go.Panel && selelt.actualBounds.isReal() && selelt.isVisibleObject() &&
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part.actualBounds.isReal() && part.isVisible() &&
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selelt.type === go.Panel.Table) {
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var table_1 = selelt;
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var adornment = part.findAdornment(this.name);
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if (adornment === null) {
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adornment = this.makeAdornment(table_1);
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part.addAdornment(this.name, adornment);
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}
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if (adornment !== null) {
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var pad_1 = table_1.padding;
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var numcols_1 = table_1.columnCount;
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// update the position/alignment of each handle
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adornment.elements.each(function (h) {
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if (!h.pickable)
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return;
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var coldef = table_1.getColumnDefinition(h.column);
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var wid = coldef.actual;
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if (wid > 0)
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wid = coldef.total;
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var sep = 0;
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// find next non-zero-width column's separatorStrokeWidth
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var idx = h.column + 1;
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while (idx < numcols_1 && table_1.getColumnDefinition(idx).actual === 0)
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idx++;
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if (idx < numcols_1) {
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sep = table_1.getColumnDefinition(idx).separatorStrokeWidth;
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if (isNaN(sep))
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sep = table_1.defaultColumnSeparatorStrokeWidth;
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}
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h.alignment = new go.Spot(0, 0, pad_1.left + coldef.position + wid + sep / 2, pad_1.top + h.height / 2);
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});
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adornment.locationObject.desiredSize = table_1.actualBounds.size;
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adornment.location = table_1.getDocumentPoint(adornment.locationSpot);
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adornment.angle = table_1.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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* @param {Panel} table the Table Panel whose columns may be resized
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* @return {Adornment}
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*/
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ColumnResizingTool.prototype.makeAdornment = function (table) {
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// the Adornment is a Spot Panel holding resize handles
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var adornment = new go.Adornment();
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adornment.category = this.name;
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adornment.adornedObject = table;
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adornment.type = go.Panel.Spot;
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adornment.locationObjectName = 'BLOCK';
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// create the "main" element of the Spot Panel
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var block = new go.TextBlock(); // doesn't matter much what this is
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block.name = 'BLOCK';
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block.pickable = false; // it's transparent and not pickable
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adornment.add(block);
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// now add resize handles for each column
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for (var i = 0; i < table.columnCount; i++) {
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var coldef = table.getColumnDefinition(i);
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var h = this.makeHandle(table, coldef);
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if (h !== null)
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adornment.add(h);
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}
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return adornment;
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};
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/**
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* @hidden @internal
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* @param {Panel} table the Table Panel whose columns may be resized
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* @param {RowColumnDefinition} coldef the column definition to be resized
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* @return a copy of the {@link #handleArchetype}
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*/
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ColumnResizingTool.prototype.makeHandle = function (table, coldef) {
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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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var c = h.copy();
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c.column = coldef.index;
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return c;
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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 "ColumnResizing" handle,
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* the diagram is not read-only, the left mouse button is being used,
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* and this tool's adornment's resize handle is at the current mouse point.
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*/
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ColumnResizingTool.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.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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* Find the {@link #handle}, ensure type {@link Panel.Table}, capture the mouse, and start a transaction.
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*
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* If the call to {@link Tool#findToolHandleAt} finds no "ColumnResizing" tool handle, this method returns without activating this tool.
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*/
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ColumnResizingTool.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 panel = this.handle.part.adornedObject;
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if (!panel || panel.type !== go.Panel.Table)
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return;
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this._adornedTable = panel;
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diagram.isMouseCaptured = true;
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this.startTransaction(this.name);
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this.isActive = true;
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};
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/**
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* Stop the current transaction and release the mouse.
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*/
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ColumnResizingTool.prototype.doDeactivate = function () {
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this.stopTransaction();
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this._handle = null;
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this._adornedTable = 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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* Call {@link #resize} with a new size determined by the current mouse point.
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* This determines the new bounds by calling {@link #computeResize}.
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*/
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ColumnResizingTool.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.computeResize(diagram.lastInput.documentPoint);
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this.resize(newpt);
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}
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};
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/**
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* Call {@link #resize} with the final bounds based on the most recent mouse point, and commit the transaction.
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* This determines the new bounds by calling {@link #computeResize}.
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*/
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ColumnResizingTool.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.computeResize(diagram.lastInput.documentPoint);
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this.resize(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 {@link RowColumnDefinition#width} of the column being resized
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* to a value corresponding to the given mouse point.
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* @param {Point} newPoint the value returned by the call to {@link #computeResize}
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*/
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ColumnResizingTool.prototype.resize = function (newPoint) {
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var table = this.adornedTable;
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if (table === null)
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return;
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var h = this.handle;
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if (h === null)
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return;
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var pad = table.padding;
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var numcols = table.columnCount;
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var locpt = table.getLocalPoint(newPoint);
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var coldef = table.getColumnDefinition(h.column);
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var sep = 0;
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var idx = h.column + 1;
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while (idx < numcols && table.getColumnDefinition(idx).actual === 0)
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idx++;
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if (idx < numcols) {
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sep = table.getColumnDefinition(idx).separatorStrokeWidth;
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if (isNaN(sep))
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sep = table.defaultColumnSeparatorStrokeWidth;
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}
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coldef.width = Math.max(0, locpt.x - pad.left - coldef.position - (coldef.total - coldef.actual) - sep / 2);
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};
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/**
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* This can be overridden in order to customize the resizing process.
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* @expose
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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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ColumnResizingTool.prototype.computeResize = function (p) {
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return p;
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};
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/**
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* Pressing the Delete key removes any column width setting and stops this tool.
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*/
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ColumnResizingTool.prototype.doKeyDown = function () {
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if (!this.isActive)
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return;
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var e = this.diagram.lastInput;
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if (e.key === 'Del' || e.key === '\t') { // remove width setting
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if (this.adornedTable !== null && this.handle !== null) {
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var coldef = this.adornedTable.getColumnDefinition(this.handle.column);
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coldef.width = NaN;
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this.transactionResult = this.name; // success
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this.stopTool();
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return;
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}
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}
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_super.prototype.doKeyDown.call(this);
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};
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return ColumnResizingTool;
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}(go.Tool));
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exports.ColumnResizingTool = ColumnResizingTool;
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});
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