gojs
Version:
Interactive diagrams, charts, and graphs, such as trees, flowcharts, orgcharts, UML, BPMN, or business diagrams
131 lines (130 loc) • 6.36 kB
JavaScript
/*
* Copyright (C) 1998-2020 by Northwoods Software Corporation. All Rights Reserved.
*/
(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.js"], factory);
}
})(function (require, exports) {
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
/*
* This is an extension and not part of the main GoJS library.
* Note that the API for this class may change with any version, even point releases.
* If you intend to use an extension in production, you should copy the code to your own source directory.
* Extensions can be found in the GoJS kit under the extensions or extensionsTS folders.
* See the Extensions intro page (https://gojs.net/latest/intro/extensions.html) for more information.
*/
var go = require("../release/go.js");
// HTML + JavaScript text editor menu, using HTML radio inputs and HTMLInfo.
// This file exposes one instance of HTMLInfo, window.TextEditorRadioButtons
// see /samples/customTextEditingTool.html
// see also textEditorSelectBox.js for another custom editor
// see also textEditor.html for a re-implementation of the default text editor
(function (window) {
// Use the following HTML:
var customText = document.createElement('div');
customText.id = 'customTextEditor';
customText.style.cssText = 'border: 1px solid black; background-color: white;';
customText.innerHTML =
' <label for="One">One</label> <input type="radio" name="group1" id="One" value="One"> <br/>' +
' <label for="Two">Two</label> <input type="radio" name="group1" id="Two" value="Two"> <br/>' +
' <label for="Three">Three</label> <input type="radio" name="group1" id="Three" value="Three"> <br/>' +
' <label for="Four">Four</label> <input type="radio" name="group1" id="Four" value="Four">';
var customEditor = new go.HTMLInfo();
customEditor.show = function (textBlock, diagram, tool) {
if (!(textBlock instanceof go.TextBlock))
return;
var startingValue = textBlock.text;
// Populate the select box:
customText.innerHTML = '';
var list = textBlock.choices;
// Perhaps give some default choices if textBlock.choices is null
if (list === null)
list = ['Default A', 'Default B', 'Default C'];
var l = list.length;
for (var i = 0; i < l; i++) {
var value = list[i];
var label = document.createElement('label');
var input = document.createElement('input');
label.htmlFor = value;
label.textContent = value;
input.type = 'radio';
input.name = 'group1';
input.id = value;
input.value = value;
customText.appendChild(label);
customText.appendChild(input);
if (i !== l - 1)
customText.appendChild(document.createElement('br'));
}
// consider also adding the current value, if it is not in the choices list
var children = customText.children;
l = children.length;
for (var i = 0; i < l; i++) {
var child = children[i];
if (!(child instanceof HTMLInputElement))
continue;
// Make sure the radio button that equals the text is checked
if (child.value === startingValue) {
child.checked = true;
}
// Finish immediately when a radio button is pressed
customText.addEventListener('change', function (e) {
tool.acceptText(go.TextEditingTool.Tab);
}, false);
}
// Do a few different things when a user presses a key
customText.addEventListener('keydown', function (e) {
var keynum = e.which;
if (keynum === 13) { // Accept on Enter
tool.acceptText(go.TextEditingTool.Enter);
return;
}
else if (keynum === 9) { // Accept on Tab
tool.acceptText(go.TextEditingTool.Tab);
e.preventDefault();
return false;
}
else if (keynum === 27) { // Cancel on Esc
tool.doCancel();
if (tool.diagram)
tool.diagram.focus();
}
}, false);
var loc = textBlock.getDocumentPoint(go.Spot.TopLeft);
var pos = diagram.transformDocToView(loc);
customText.style.left = pos.x + 'px';
customText.style.top = pos.y + 'px';
customText.style.position = 'absolute';
customText.style.zIndex = (100).toString(); // place it in front of the Diagram
if (diagram.div !== null)
diagram.div.appendChild(customText);
};
customEditor.hide = function (diagram, tool) {
if (diagram.div !== null)
diagram.div.removeChild(customText);
};
// customText is a div and doesn't have a "value" field
// So we will make value into a function that will return
// the "value" of the checked radio button
customEditor.valueFunction = function () {
var children = customText.children;
var l = children.length;
for (var i = 0; i < l; i++) {
var child = children[i];
if (!(child instanceof HTMLInputElement))
continue;
if (child.checked) {
return child.value;
}
}
return '';
};
window.TextEditorRadioButtons = customEditor;
})(window);
});