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suggest: next, previous

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This commit is contained in:
Joao Moreno
2016-02-08 10:48:34 +01:00
parent 6b49547932
commit 10ead5ff26
2 changed files with 123 additions and 77 deletions
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42
src/vs/base/browser/ui/list/listWidget.ts
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@@ -109,6 +109,18 @@ class Trait implements IDisposable {
return this.indexes.some(i => i === index);
}
next(n: number): void {
let index = this.indexes.length ? this.indexes[0] : 0;
index = Math.min(index + n, this.indexes.length);
this.set(index);
}
previous(n: number): void {
let index = this.indexes.length ? this.indexes[0] : this.indexes.length - 1;
index = Math.max(index - n, 0);
this.set(index);
}
wrapRenderer<T, D>(renderer: IRenderer<T, D>): IRenderer<T, ITraitTemplateData<D>> {
return new TraitRenderer<T, D>(this, renderer);
}
@@ -202,11 +214,41 @@ export class List<T> implements IDisposable {
indexes.forEach(i => this.view.splice(i, 1, this.view.element(i)));
}
selectNext(n = 1, loop = false): void {
if (this.length === 0) return;
const selection = this.selection.get();
let index = selection.length > 0 ? selection[0] + n : 0;
this.selection.set(loop ? index % this.length : Math.min(index, this.length - 1));
}
selectPrevious(n = 1, loop = false): void {
if (this.length === 0) return;
const selection = this.selection.get();
let index = selection.length > 0 ? selection[0] - n : 0;
if (loop && index < 0) index = this.length + (index % this.length);
this.selection.set(Math.max(index, 0));
}
setFocus(...indexes: number[]): void {
indexes = indexes.concat(this.focus.set(...indexes));
indexes.forEach(i => this.view.splice(i, 1, this.view.element(i)));
}
focusNext(n = 1, loop = false): void {
if (this.length === 0) return;
const focus = this.focus.get();
let index = focus.length > 0 ? focus[0] + n : 0;
this.focus.set(loop ? index % this.length : Math.min(index, this.length - 1));
}
focusPrevious(n = 1, loop = false): void {
if (this.length === 0) return;
const focus = this.focus.get();
let index = focus.length > 0 ? focus[0] - n : 0;
if (loop && index < 0) index = this.length + (index % this.length);
this.focus.set(Math.max(index, 0));
}
getFocus(): T[] {
return this.focus.get().map(i => this.view.element(i));
}