/
inserttableview.ts
248 lines (208 loc) · 5.55 KB
/
inserttableview.ts
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
/**
* @license Copyright (c) 2003-2024, CKSource Holding sp. z o.o. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
/**
* @module table/ui/inserttableview
*/
import { View, ButtonView, addKeyboardHandlingForGrid, type ViewCollection } from 'ckeditor5/src/ui.js';
import { KeystrokeHandler, FocusTracker, type Locale } from 'ckeditor5/src/utils.js';
import './../../theme/inserttable.css';
/**
* The table size view.
*
* It renders a 10x10 grid to choose the inserted table size.
*/
export default class InsertTableView extends View {
/**
* A collection of table size box items.
*/
public readonly items: ViewCollection<ButtonView>;
/**
* Listen to `keydown` events fired in this view's main element.
*/
public readonly keystrokes: KeystrokeHandler;
/**
* Tracks information about the DOM focus in the grid.
*/
public readonly focusTracker: FocusTracker;
/**
* The currently selected number of rows of the new table.
*
* @observable
*/
declare public rows: number;
/**
* The currently selected number of columns of the new table.
*
* @observable
*/
declare public columns: number;
/**
* The label text displayed under the boxes.
*
* @observable
*/
declare public label: string;
/**
* @inheritDoc
*/
constructor( locale: Locale ) {
super( locale );
const bind = this.bindTemplate;
this.items = this._createGridCollection();
this.keystrokes = new KeystrokeHandler();
this.focusTracker = new FocusTracker();
this.set( 'rows', 0 );
this.set( 'columns', 0 );
this.bind( 'label' ).to( this, 'columns', this, 'rows', ( columns, rows ) => `${ rows } × ${ columns }` );
this.setTemplate( {
tag: 'div',
attributes: {
class: [ 'ck' ]
},
children: [
{
tag: 'div',
attributes: {
class: [ 'ck-insert-table-dropdown__grid' ]
},
on: {
'mouseover@.ck-insert-table-dropdown-grid-box': bind.to( 'boxover' )
},
children: this.items
},
{
tag: 'div',
attributes: {
class: [
'ck',
'ck-insert-table-dropdown__label'
],
'aria-hidden': true
},
children: [
{
text: bind.to( 'label' )
}
]
}
],
on: {
mousedown: bind.to( evt => {
evt.preventDefault();
} ),
click: bind.to( () => {
this.fire( 'execute' );
} )
}
} );
// #rows and #columns are set via changes to #focusTracker on mouse over.
this.on( 'boxover', ( evt, domEvt ) => {
const { row, column } = domEvt.target.dataset;
this.items.get( ( parseInt( row, 10 ) - 1 ) * 10 + ( parseInt( column, 10 ) - 1 ) )!.focus();
} );
// This allows the #rows and #columns to be updated when:
// * the user navigates the grid using the keyboard,
// * the user moves the mouse over grid items.
this.focusTracker.on( 'change:focusedElement', ( evt, name, focusedElement ) => {
if ( !focusedElement ) {
return;
}
const { row, column } = focusedElement.dataset;
// As row & column indexes are zero-based transform it to number of selected rows & columns.
this.set( {
rows: parseInt( row ),
columns: parseInt( column )
} );
} );
this.on( 'change:columns', () => this._highlightGridBoxes() );
this.on( 'change:rows', () => this._highlightGridBoxes() );
}
public override render(): void {
super.render();
addKeyboardHandlingForGrid( {
keystrokeHandler: this.keystrokes,
focusTracker: this.focusTracker,
gridItems: this.items,
numberOfColumns: 10,
uiLanguageDirection: this.locale && this.locale.uiLanguageDirection
} );
for ( const item of this.items ) {
this.focusTracker.add( item.element! );
}
this.keystrokes.listenTo( this.element! );
}
/**
* Resets the rows and columns selection.
*/
public reset(): void {
this.set( {
rows: 1,
columns: 1
} );
}
/**
* @inheritDoc
*/
public focus(): void {
this.items.get( 0 )!.focus();
}
/**
* @inheritDoc
*/
public focusLast(): void {
this.items.get( 0 )!.focus();
}
/**
* Highlights grid boxes depending on rows and columns selected.
*/
private _highlightGridBoxes() {
const rows = this.rows;
const columns = this.columns;
this.items.map( ( boxView, index ) => {
// Translate box index to the row & column index.
const itemRow = Math.floor( index / 10 );
const itemColumn = index % 10;
// Grid box is highlighted when its row & column index belongs to selected number of rows & columns.
const isOn = itemRow < rows && itemColumn < columns;
boxView.set( 'isOn', isOn );
} );
}
/**
* Creates a new Button for the grid.
*
* @param locale The locale instance.
* @param row Row number.
* @param column Column number.
* @param label The grid button label.
*/
private _createGridButton( locale: Locale, row: number, column: number, label: string ): ButtonView {
const button = new ButtonView( locale );
button.set( {
label,
class: 'ck-insert-table-dropdown-grid-box'
} );
button.extendTemplate( {
attributes: {
'data-row': row,
'data-column': column
}
} );
return button;
}
/**
* @returns A view collection containing boxes to be placed in a table grid.
*/
private _createGridCollection() {
const boxes = [];
// Add grid boxes to table selection view.
for ( let index = 0; index < 100; index++ ) {
const row = Math.floor( index / 10 );
const column = index % 10;
const label = `${ row + 1 } × ${ column + 1 }`;
boxes.push( this._createGridButton( this.locale!, row + 1, column + 1, label ) );
}
return this.createCollection( boxes );
}
}