Document editor supports various paragraph formatting options such as text alignment, indentation, paragraph spacing, and more.
You can modify the left or right indentation of selected paragraphs using the following sample code.
documenteditor.selection.paragraphFormat.leftIndent= 24;
documenteditor.selection.paragraphFormat.rightIndent= 24;You can define special indent for first line of the paragraph using the following sample code.
documenteditor.selection.paragraphFormat.firstLineIndent= 24;You can increase the left indent of selected paragraphs by a factor of 36 points using the following sample code.
documenteditor.editor.increaseIndent()You can decrease the left indent of selected paragraphs by a factor of 36 points using the following sample code.
documenteditor.editor.decreaseIndent()You can get or set the text alignment of selected paragraphs using the following sample code.
documenteditor.selection.paragraphFormat.textAlignment= 'Center' | 'Left' | 'Right' | 'Justify';You can toggle the text alignment of selected paragraphs by specifying a value using the following sample code.
documenteditor.editor.toggleTextAlignment('Center' | 'Left' | 'Right' | 'Justify');You can define the line spacing and its type for selected paragraphs using the following sample code.
documenteditor.selection.paragraphFormat.lineSpacingType='AtLeast';
documenteditor.selection.paragraphFormat.lineSpacing= 6;You can define the spacing before or after the paragraph by using the following sample code.
documenteditor.selection.paragraphFormat.beforeSpacing= 24;
documenteditor.selection.paragraphFormat.afterSpacing= 24;The following sample demonstrates the paragraph formatting options using a toolbar.
import * as ReactDOM from 'react-dom';
import * as React from 'react';
import {
DocumentEditorComponent,
DocumentEditor,
Selection,
Editor,
EditorHistory,
ContextMenu
} from '@syncfusion/ej2-react-documenteditor';
import { ToolbarComponent, ItemDirective } from '@syncfusion/ej2-react-navigations';
import { DropDownButtonComponent, ItemModel } from '@syncfusion/ej2-react-splitbuttons';
DocumentEditorComponent.Inject(
Selection,
Editor,
EditorHistory,
ContextMenu
);
export class Default extends React.Component<{}, {}> {
public documenteditor: DocumentEditorComponent;
public items: ItemModel[] = [
{
text: 'Single',
},
{
text: '1.15',
},
{
text: '1.5',
},
{
text: 'Double',
},
];
public contentTemplate1() {
return (<DropDownButtonComponent items={this.items} iconCss="e-de-icon-LineSpacing" selected={this.lineSpacingAction.bind(this)} ></DropDownButtonComponent>);
}
public componentDidMount(): void {
this.updateContainerSize();
this.documenteditor.selectionChange = () => {
setTimeout(() => { this.onSelectionChange(); }, 20);
};
}
updateContainerSize(): void {
document.getElementById('container').style.height =
window.innerHeight - document.getElementById('toolbar').offsetHeight + 'px';
}
toolbarButtonClick(arg): void {
switch (arg.item.id) {
case 'AlignLeft':
//Toggle the Left alignment for selected or current paragraph
this.documenteditor.editor.toggleTextAlignment('Left');
break;
case 'AlignRight':
//Toggle the Right alignment for selected or current paragraph
this.documenteditor.editor.toggleTextAlignment('Right');
break;
case 'AlignCenter':
//Toggle the Center alignment for selected or current paragraph
this.documenteditor.editor.toggleTextAlignment('Center');
break;
case 'Justify':
//Toggle the Justify alignment for selected or current paragraph
this.documenteditor.editor.toggleTextAlignment('Justify');
break;
case 'IncreaseIndent':
//Increase the left indent of selected or current paragraph
this.documenteditor.editor.increaseIndent();
break;
case 'DecreaseIndent':
//Decrease the left indent of selected or current paragraph
this.documenteditor.editor.decreaseIndent();
break;
case 'ClearFormat':
this.documenteditor.editor.clearFormatting();
break;
}
}
//Change the line spacing of selected or current paragraph
lineSpacingAction(args: any): void {
let text: string = args.item.text;
switch (text) {
case 'Single':
this.documenteditor.selection.paragraphFormat.lineSpacing = 1;
break;
case '1.15':
this.documenteditor.selection.paragraphFormat.lineSpacing = 1.15;
break;
case '1.5':
this.documenteditor.selection.paragraphFormat.lineSpacing = 1.5;
break;
case 'Double':
this.documenteditor.selection.paragraphFormat.lineSpacing = 2;
break;
}
setTimeout((): void => {
this.documenteditor.focusIn();
}, 30);
}
// Selection change to retrieve formatting
onSelectionChange(): void {
if (this.documenteditor.selection) {
var paragraphFormat = this.documenteditor.selection.paragraphFormat;
var toggleBtnId = ['AlignLeft', 'AlignCenter', 'AlignRight', 'Justify'];
for (var i = 0; i < toggleBtnId.length; i++) {
let toggleBtn: HTMLElement = document.getElementById(
toggleBtnId[i]
);
toggleBtn.classList.remove('e-btn-toggle');
}
if (paragraphFormat.textAlignment === 'Left') {
document.getElementById('AlignLeft').classList.add('e-btn-toggle');
} else if (paragraphFormat.textAlignment === 'Right') {
document.getElementById('AlignRight').classList.add('e-btn-toggle');
} else if (paragraphFormat.textAlignment === 'Center') {
document
.getElementById('AlignCenter')
.classList.add('e-btn-toggle');
} else {
document.getElementById('Justify').classList.add('e-btn-toggle');
}
// #endregion
}
}
render() {
return (
<div>
<ToolbarComponent id='toolbar' clicked={this.toolbarButtonClick.bind(this)}>
<ItemDirective id="AlignLeft" prefixIcon="e-de-icon-AlignLeft" tooltipText="Align Left" />
<ItemDirective id="AlignCenter" prefixIcon="e-de-icon-AlignCenter" tooltipText="Align Center" />
<ItemDirective id="AlignRight" prefixIcon="e-de-icon-AlignRight" tooltipText="Align Right" />
<ItemDirective id="Justify" prefixIcon="e-de-icon-Justify" tooltipText="Justify" />
<ItemDirective type="Separator" />
<ItemDirective id="IncreaseIndent" prefixIcon="e-de-icon-IncreaseIndent" tooltipText="Increase Indent" />
<ItemDirective id="DecreaseIndent" prefixIcon="e-de-icon-DecreaseIndent" tooltipText="Decrease Indent" />
<ItemDirective type="Separator" />
<ItemDirective template={this.contentTemplate1} />
<ItemDirective id="ClearFormat" prefixIcon="e-de-icon-ClearAll" tooltipText="Clear Formatting" />
</ToolbarComponent>
<DocumentEditorComponent
id="container"
ref={scope => {
this.documenteditor = scope;
}}
isReadOnly={false}
enableSelection={true}
enableEditor={true}
enableEditorHistory={true}
enableContextMenu={true}
enableTableDialog={true}
/>
</div>
);
}
}
ReactDOM.render(<Default />, document.getElementById('sample'));