blob: a16aa073b91b9e2013d64ce1d45b614aca89d873 [file] [log] [blame]
/**
* @license
* Copyright (C) 2016 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the 'License');
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an 'AS IS' BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import {GrDiffLine, GrDiffLineType} from '../gr-diff/gr-diff-line';
import {GrDiffBuilder} from './gr-diff-builder';
import {GrDiffGroup, GrDiffGroupType} from '../gr-diff/gr-diff-group';
import {DiffInfo, DiffPreferencesInfo} from '../../../types/diff';
import {DiffViewMode, Side} from '../../../constants/constants';
import {DiffLayer} from '../../../types/types';
import {RenderPreferences} from '../../../api/diff';
export class GrDiffBuilderUnified extends GrDiffBuilder {
constructor(
diff: DiffInfo,
prefs: DiffPreferencesInfo,
outputEl: HTMLElement,
readonly layers: DiffLayer[] = [],
renderPrefs?: RenderPreferences
) {
super(diff, prefs, outputEl, layers, renderPrefs);
}
_getMoveControlsConfig() {
return {
numberOfCells: 3,
movedOutIndex: 2,
movedInIndex: 2,
};
}
buildSectionElement(group: GrDiffGroup): HTMLElement {
const sectionEl = this._createElement('tbody', 'section');
sectionEl.classList.add(group.type);
if (this._isTotal(group)) {
sectionEl.classList.add('total');
}
if (group.dueToRebase) {
sectionEl.classList.add('dueToRebase');
}
if (group.moveDetails) {
sectionEl.classList.add('dueToMove');
sectionEl.appendChild(this._buildMoveControls(group));
}
if (group.ignoredWhitespaceOnly) {
sectionEl.classList.add('ignoredWhitespaceOnly');
}
if (group.type === GrDiffGroupType.CONTEXT_CONTROL) {
this._createContextControls(
sectionEl,
group.contextGroups,
DiffViewMode.UNIFIED
);
return sectionEl;
}
for (let i = 0; i < group.lines.length; ++i) {
const line = group.lines[i];
// If only whitespace has changed and the settings ask for whitespace to
// be ignored, only render the right-side line in unified diff mode.
if (group.ignoredWhitespaceOnly && line.type === GrDiffLineType.REMOVE) {
continue;
}
sectionEl.appendChild(this._createRow(line));
}
return sectionEl;
}
addColumns(outputEl: HTMLElement, lineNumberWidth: number): void {
const colgroup = document.createElement('colgroup');
// Add the blame column.
let col = this._createElement('col', 'blame');
colgroup.appendChild(col);
// Add left-side line number.
col = document.createElement('col');
col.setAttribute('width', lineNumberWidth.toString());
colgroup.appendChild(col);
// Add right-side line number.
col = document.createElement('col');
col.setAttribute('width', lineNumberWidth.toString());
colgroup.appendChild(col);
// Add the content.
colgroup.appendChild(document.createElement('col'));
outputEl.appendChild(colgroup);
}
_createRow(line: GrDiffLine) {
const row = this._createElement('tr', line.type);
row.classList.add('diff-row', 'unified');
// TabIndex makes screen reader read a row when navigating with j/k
row.tabIndex = -1;
row.appendChild(this._createBlameCell(line.beforeNumber));
let lineNumberEl = this._createLineEl(
line,
line.beforeNumber,
GrDiffLineType.REMOVE,
Side.LEFT
);
row.appendChild(lineNumberEl);
lineNumberEl = this._createLineEl(
line,
line.afterNumber,
GrDiffLineType.ADD,
Side.RIGHT
);
row.appendChild(lineNumberEl);
let side = undefined;
if (line.type === GrDiffLineType.ADD || line.type === GrDiffLineType.BOTH) {
side = Side.RIGHT;
}
if (line.type === GrDiffLineType.REMOVE) {
side = Side.LEFT;
}
row.appendChild(this._createTextEl(lineNumberEl, line, side));
return row;
}
_getNextContentOnSide(content: HTMLElement, side: Side): HTMLElement | null {
let tr: HTMLElement = content.parentElement!.parentElement!;
while ((tr = tr.nextSibling as HTMLElement)) {
if (
tr.classList.contains('both') ||
(side === 'left' && tr.classList.contains('remove')) ||
(side === 'right' && tr.classList.contains('add'))
) {
return tr.querySelector('.contentText');
}
}
return null;
}
/** @override */
updateRenderPrefs(_renderPrefs: RenderPreferences) {}
}