本文整理匯總了TypeScript中vs/base/browser/ui/scrollbar/scrollbarState.ScrollbarState.isNeeded方法的典型用法代碼示例。如果您正苦於以下問題：TypeScript ScrollbarState.isNeeded方法的具體用法？TypeScript ScrollbarState.isNeeded怎麽用？TypeScript ScrollbarState.isNeeded使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類vs/base/browser/ui/scrollbar/scrollbarState.ScrollbarState的用法示例。
在下文中一共展示了ScrollbarState.isNeeded方法的3個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的TypeScript代碼示例。
示例1: test
test('inflates slider size with arrows', () => {
let actual = new ScrollbarState(12, 14, 0);
actual.setVisibleSize(339);
actual.setScrollSize(42423);
actual.setScrollPosition(32787);
assert.equal(actual.getArrowSize(), 12);
assert.equal(actual.getScrollPosition(), 32787);
assert.equal(actual.getRectangleLargeSize(), 339);
assert.equal(actual.getRectangleSmallSize(), 14);
assert.equal(actual.isNeeded(), true);
assert.equal(actual.getSliderSize(), 20);
assert.equal(actual.getSliderPosition(), 230);
assert.equal(actual.getDesiredScrollPositionFromOffset(240 + 12), 32811);
actual.setScrollPosition(32811);
assert.equal(actual.getArrowSize(), 12);
assert.equal(actual.getScrollPosition(), 32811);
assert.equal(actual.getRectangleLargeSize(), 339);
assert.equal(actual.getRectangleSmallSize(), 14);
assert.equal(actual.isNeeded(), true);
assert.equal(actual.getSliderSize(), 20);
assert.equal(actual.getSliderPosition(), 230);
});示例2: test
test('inflates slider size', () => {
let actual = new ScrollbarState(0, 14, 0);
actual.setVisibleSize(339);
actual.setScrollSize(42423);
actual.setScrollPosition(32787);
assert.equal(actual.getArrowSize(), 0);
assert.equal(actual.getScrollPosition(), 32787);
assert.equal(actual.getRectangleLargeSize(), 339);
assert.equal(actual.getRectangleSmallSize(), 14);
assert.equal(actual.isNeeded(), true);
assert.equal(actual.getSliderSize(), 20);
assert.equal(actual.getSliderPosition(), 249);
assert.equal(actual.getSliderCenter(), 259);
assert.equal(actual.getDesiredScrollPositionFromOffset(259), 32849);
actual.setScrollPosition(32849);
assert.equal(actual.getArrowSize(), 0);
assert.equal(actual.getScrollPosition(), 32849);
assert.equal(actual.getRectangleLargeSize(), 339);
assert.equal(actual.getRectangleSmallSize(), 14);
assert.equal(actual.isNeeded(), true);
assert.equal(actual.getSliderSize(), 20);
assert.equal(actual.getSliderPosition(), 249);
assert.equal(actual.getSliderCenter(), 259);
});示例3: _onElementScrollPosition
protected _onElementScrollPosition(elementScrollPosition: number): boolean {
if (this._scrollbarState.setScrollPosition(elementScrollPosition)) {
this._visibilityController.setIsNeeded(this._scrollbarState.isNeeded());
this._shouldRender = true;
if (!this._lazyRender) {
this.render();
}
}
return this._shouldRender;
}