markgojs
Version:
Interactive diagrams, charts, and graphs, such as trees, flowcharts, orgcharts, UML, BPMN, or business diagrams
122 lines (121 loc) • 5.67 kB
JavaScript
(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");
// 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;
var 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
diagram.div.appendChild(customText);
};
customEditor.hide = function (diagram, tool) {
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);
});