本文整理汇总了TypeScript中vs/base/browser/ui/scrollbar/scrollbarState.ScrollbarState.isNeeded方法的典型用法代码示例。如果您正苦于以下问题：TypeScript ScrollbarState.isNeeded方法的具体用法？TypeScript ScrollbarState.isNeeded怎么用？TypeScript ScrollbarState.isNeeded使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类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个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的TypeScript代码示例。
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;
}