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/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
import { Codicon } from 'vs/base/common/codicons';
import { ICodeEditor } from 'vs/editor/browser/editorBrowser';
import { IModelDecorationOptions, IModelDecorationsChangeAccessor, TrackedRangeStickiness } from 'vs/editor/common/model';
import { ModelDecorationOptions } from 'vs/editor/common/model/textModel';
import { IDecorationProvider } from 'vs/editor/contrib/folding/browser/foldingModel';
import { localize } from 'vs/nls';
import { registerIcon } from 'vs/platform/theme/common/iconRegistry';
import { ThemeIcon } from 'vs/platform/theme/common/themeService';
export const foldingExpandedIcon = registerIcon('folding-expanded', Codicon.chevronDown, localize('foldingExpandedIcon', 'Icon for expanded ranges in the editor glyph margin.'));
export const foldingCollapsedIcon = registerIcon('folding-collapsed', Codicon.chevronRight, localize('foldingCollapsedIcon', 'Icon for collapsed ranges in the editor glyph margin.'));
export const foldingManualCollapsedIcon = registerIcon('folding-manual-collapsed', foldingCollapsedIcon, localize('foldingManualCollapedIcon', 'Icon for manually collapsed ranges in the editor glyph margin.'));
export const foldingManualExpandedIcon = registerIcon('folding-manual-expanded', foldingExpandedIcon, localize('foldingManualExpandedIcon', 'Icon for manually expanded ranges in the editor glyph margin.'));
export class FoldingDecorationProvider implements IDecorationProvider {
private static readonly COLLAPSED_VISUAL_DECORATION = ModelDecorationOptions.register({
description: 'folding-collapsed-visual-decoration',
stickiness: TrackedRangeStickiness.AlwaysGrowsWhenTypingAtEdges,
afterContentClassName: 'inline-folded',
isWholeLine: true,
firstLineDecorationClassName: ThemeIcon.asClassName(foldingCollapsedIcon)
});
private static readonly COLLAPSED_HIGHLIGHTED_VISUAL_DECORATION = ModelDecorationOptions.register({
description: 'folding-collapsed-highlighted-visual-decoration',
stickiness: TrackedRangeStickiness.AlwaysGrowsWhenTypingAtEdges,
afterContentClassName: 'inline-folded',
className: 'folded-background',
isWholeLine: true,
firstLineDecorationClassName: ThemeIcon.asClassName(foldingCollapsedIcon)
});
private static readonly MANUALLY_COLLAPSED_VISUAL_DECORATION = ModelDecorationOptions.register({
description: 'folding-manually-collapsed-visual-decoration',
stickiness: TrackedRangeStickiness.AlwaysGrowsWhenTypingAtEdges,
afterContentClassName: 'inline-folded',
isWholeLine: true,
firstLineDecorationClassName: 'alwaysShowFoldIcons ' + ThemeIcon.asClassName(foldingExpandedIcon)
});
private static readonly MANUALLY_COLLAPSED_HIGHLIGHTED_VISUAL_DECORATION = ModelDecorationOptions.register({
description: 'folding-manually-collapsed-highlighted-visual-decoration',
stickiness: TrackedRangeStickiness.AlwaysGrowsWhenTypingAtEdges,
afterContentClassName: 'inline-folded',
className: 'folded-background',
isWholeLine: true,
firstLineDecorationClassName: ThemeIcon.asClassName(foldingManualCollapsedIcon)
});
private static readonly EXPANDED_AUTO_HIDE_VISUAL_DECORATION = ModelDecorationOptions.register({
description: 'folding-expanded-auto-hide-visual-decoration',
stickiness: TrackedRangeStickiness.NeverGrowsWhenTypingAtEdges,
isWholeLine: true,
firstLineDecorationClassName: ThemeIcon.asClassName(foldingExpandedIcon)
});
private static readonly EXPANDED_VISUAL_DECORATION = ModelDecorationOptions.register({
description: 'folding-expanded-visual-decoration',
stickiness: TrackedRangeStickiness.NeverGrowsWhenTypingAtEdges,
isWholeLine: true,
firstLineDecorationClassName: 'alwaysShowFoldIcons ' + ThemeIcon.asClassName(foldingExpandedIcon)
});
private static readonly MANUALLY_EXPANDED_VISUAL_DECORATION = ModelDecorationOptions.register({
description: 'folding-manually-expanded-visual-decoration',
stickiness: TrackedRangeStickiness.AlwaysGrowsWhenTypingAtEdges,
isWholeLine: true,
firstLineDecorationClassName: 'alwaysShowFoldIcons ' + ThemeIcon.asClassName(foldingManualExpandedIcon)
});
private static readonly MANUALLY_EXPANDED_AUTO_HIDE_VISUAL_DECORATION = ModelDecorationOptions.register({
description: 'folding-manually-expanded-visual-decoration',
stickiness: TrackedRangeStickiness.AlwaysGrowsWhenTypingAtEdges,
isWholeLine: true,
firstLineDecorationClassName: ThemeIcon.asClassName(foldingManualExpandedIcon)
});
private static readonly HIDDEN_RANGE_DECORATION = ModelDecorationOptions.register({
description: 'folding-hidden-range-decoration',
stickiness: TrackedRangeStickiness.NeverGrowsWhenTypingAtEdges
});
public showFoldingControls: 'always' | 'never' | 'mouseover' = 'mouseover';
public showFoldingHighlights: boolean = true;
constructor(private readonly editor: ICodeEditor) {
}
getDecorationOption(isCollapsed: boolean, isHidden: boolean, isManual: boolean): IModelDecorationOptions {
if (isHidden // is inside another collapsed region
|| this.showFoldingControls === 'never') {
return FoldingDecorationProvider.HIDDEN_RANGE_DECORATION;
}
if (isCollapsed) {
return isManual ?
(this.showFoldingHighlights ? FoldingDecorationProvider.MANUALLY_COLLAPSED_HIGHLIGHTED_VISUAL_DECORATION : FoldingDecorationProvider.MANUALLY_COLLAPSED_VISUAL_DECORATION)
: (this.showFoldingHighlights ? FoldingDecorationProvider.COLLAPSED_HIGHLIGHTED_VISUAL_DECORATION : FoldingDecorationProvider.COLLAPSED_VISUAL_DECORATION);
} else if (this.showFoldingControls === 'mouseover') {
return isManual ? FoldingDecorationProvider.MANUALLY_EXPANDED_AUTO_HIDE_VISUAL_DECORATION : FoldingDecorationProvider.EXPANDED_AUTO_HIDE_VISUAL_DECORATION;
} else {
return isManual ? FoldingDecorationProvider.MANUALLY_EXPANDED_VISUAL_DECORATION : FoldingDecorationProvider.EXPANDED_VISUAL_DECORATION;
}
}
changeDecorations<T>(callback: (changeAccessor: IModelDecorationsChangeAccessor) => T): T {
return this.editor.changeDecorations(callback);
}
removeDecorations(decorationIds: string[]): void {
this.editor.removeDecorations(decorationIds);
}
}
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