複数行テキストコントロールが提供する入力を制御する機能について解説します。
最大文字数の指定
setLengthAsByteメソッドを使えば、setMaxLengthメソッドでコントロールへの入力可能文字数を設定する際に、バイト単位と文字単位のどちらを使うかを指定できます。setLengthAsByteメソッドをtrueに設定すると、setMaxLengthメソッドはバイト単位で処理され、falseに設定すると文字単位で処理されます。
import '@mescius/inputman/CSS/gc.inputman-js.css';
import { InputMan } from '@mescius/inputman';
InputMan.appearanceStyle = InputMan.AppearanceStyle.Modern;
const gcMultiLineTextBox = new InputMan.GcMultiLineTextBox(document.getElementById('gcMultiLineTextBox'), {
maxLength: 5
});
document.getElementById('setMaxLength').addEventListener('change', (e) => {
gcMultiLineTextBox.setMaxLength(e.target.value);
});
document.getElementById('setLengthNotAsByte').addEventListener('change', (e) => {
gcMultiLineTextBox.setLengthAsByte(!e.target.checked);
});
document.getElementById('setLengthAsByte').addEventListener('change', (e) => {
gcMultiLineTextBox.setLengthAsByte(e.target.checked);
});
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>複数行テキストコントロール - 入力の制御</title>
<!-- SystemJS -->
<script src="node_modules/systemjs/dist/system.src.js"></script>
<script src="systemjs.config.js"></script>
<script>
window.onload = function() {
System.import('./src/app');
}
</script>
</head>
<body>
<textarea id="gcMultiLineTextBox"></textarea>
<table class="sample">
<tr>
<th>最大文字数</th>
<td>
<input type="number" value="5" min="0" id="setMaxLength">
<label><input type="radio" name="setLengthAsByte" id="setLengthNotAsByte" checked>文字単位</label>
<label><input type="radio" name="setLengthAsByte" id="setLengthAsByte">バイト単位</label>
</td>
</tr>
</table>
</body>
</html>
System.config({
transpiler: 'plugin-babel',
babelOptions: {
es2015: true
},
meta: {
'*.css': { loader: 'css' }
},
paths: {
// paths serve as alias
'npm:': 'node_modules/'
},
// map tells the System loader where to look for things
map: {
'@mescius/inputman': 'npm:@mescius/inputman/index.js',
'@mescius/inputman/CSS': 'npm:@mescius/inputman/CSS',
'@mescius/inputman.richtexteditor': 'npm:@mescius/inputman.richtexteditor/index.js',
"@mescius/inputman.richtexteditor/CSS": "npm:@mescius/inputman.richtexteditor/CSS",
'@mescius/inputman.richtexteditor/JS/plugins/advlist': 'npm:@mescius/inputman.richtexteditor/JS/plugins/advlist/plugin.js',
'@mescius/inputman.richtexteditor/JS/plugins/all': 'npm:@mescius/inputman.richtexteditor/JS/plugins/all/plugin.js',
'@mescius/inputman.richtexteditor/JS/plugins/autosave': 'npm:@mescius/inputman.richtexteditor/JS/plugins/autosave/plugin.js',
'@mescius/inputman.richtexteditor/JS/plugins/charmap': 'npm:@mescius/inputman.richtexteditor/JS/plugins/charmap/plugin.js',
'@mescius/inputman.richtexteditor/JS/plugins/directionality': 'npm:@mescius/inputman.richtexteditor/JS/plugins/directionality/plugin.js',
'@mescius/inputman.richtexteditor/JS/plugins/emoticons': 'npm:@mescius/inputman.richtexteditor/JS/plugins/emoticons/plugin.js',
'@mescius/inputman.richtexteditor/JS/plugins/fullscreen': 'npm:@mescius/inputman.richtexteditor/JS/plugins/fullscreen/plugin.js',
'@mescius/inputman.richtexteditor/JS/plugins/htmlcode': 'npm:@mescius/inputman.richtexteditor/JS/plugins/htmlcode/plugin.js',
'@mescius/inputman.richtexteditor/JS/plugins/image': 'npm:@mescius/inputman.richtexteditor/JS/plugins/image/plugin.js',
'@mescius/inputman.richtexteditor/JS/plugins/link': 'npm:@mescius/inputman.richtexteditor/JS/plugins/link/plugin.js',
'@mescius/inputman.richtexteditor/JS/plugins/lists': 'npm:@mescius/inputman.richtexteditor/JS/plugins/lists/plugin.js',
'@mescius/inputman.richtexteditor/JS/plugins/media': 'npm:@mescius/inputman.richtexteditor/JS/plugins/media/plugin.js',
'@mescius/inputman.richtexteditor/JS/plugins/pagebreak': 'npm:@mescius/inputman.richtexteditor/JS/plugins/pagebreak/plugin.js',
'@mescius/inputman.richtexteditor/JS/plugins/preview': 'npm:@mescius/inputman.richtexteditor/JS/plugins/preview/plugin.js',
'@mescius/inputman.richtexteditor/JS/plugins/save': 'npm:@mescius/inputman.richtexteditor/JS/plugins/save/plugin.js',
'@mescius/inputman.richtexteditor/JS/plugins/searchreplace': 'npm:@mescius/inputman.richtexteditor/JS/plugins/searchreplace/plugin.js',
'@mescius/inputman.richtexteditor/JS/plugins/table': 'npm:@mescius/inputman.richtexteditor/JS/plugins/table/plugin.js',
'@mescius/inputman.richtexteditor/JS/plugins/template': 'npm:@mescius/inputman.richtexteditor/JS/plugins/template/plugin.js',
'@mescius/inputman.richtexteditor/JS/plugins/wordcount': 'npm:@mescius/inputman.richtexteditor/JS/plugins/wordcount/plugin.js',
'@mescius/inputman.comment': 'npm:@mescius/inputman.comment/index.js',
'@mescius/inputman.comment/CSS': 'npm:@mescius/inputman.comment/CSS',
'@mescius/wijmo': 'npm:@mescius/wijmo/index.js',
'@mescius/wijmo.styles': 'npm:@mescius/wijmo.styles',
'@mescius/wijmo.cultures': 'npm:@mescius/wijmo.cultures',
'@mescius/wijmo.input': 'npm:@mescius/wijmo.input/index.js',
'@mescius/wijmo.grid': 'npm:@mescius/wijmo.grid/index.js',
'@mescius/wijmo.nav': 'npm:@mescius/wijmo.nav/index.js',
'@mescius/spread-sheets': 'npm:@mescius/spread-sheets/index.js',
'@mescius/spread-sheets-resources-ja': 'npm:@mescius/spread-sheets-resources-ja/index.js',
'@mescius/spread-sheets/styles': 'npm:@mescius/spread-sheets/styles',
'css': 'npm:systemjs-plugin-css/css.js',
'plugin-babel': 'npm:systemjs-plugin-babel/plugin-babel.js',
'systemjs-babel-build': 'npm:systemjs-plugin-babel/systemjs-babel-browser.js'
},
// packages tells the System loader how to load when no filename and/or no extension
packages: {
src: {
defaultExtension: 'js'
},
"node_modules": {
defaultExtension: 'js'
},
}
});
