本文整理汇总了TypeScript中app/shared/models/core/projector.Projector.addElement方法的典型用法代码示例。如果您正苦于以下问题：TypeScript Projector.addElement方法的具体用法？TypeScript Projector.addElement怎么用？TypeScript Projector.addElement使用的例子？那么, 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app/shared/models/core/projector.Projector的用法示例。
在下文中一共展示了Projector.addElement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: projectOn
/**
* Projcets the given object on the projector. If the object is non-stable, all other non-stable
* elements will be removed and added to the history.
*
* @param projector The projector to add the object to.
* @param obj The object to project
*/
public async projectOn(
projector: Projector,
obj: Projectable | ProjectorElementBuildDeskriptor | IdentifiableProjectorElement
): Promise<void> {
const element = this.getProjectorElement(obj);
if (element.stable) {
// remove the same element, if it is currently projected
projector.removeElements(element);
// Add this stable element
projector.addElement(element);
await this.projectRequest(projector, projector.elements);
} else {
// For non-stable elements remove all other non-stable elements, add them to the history and
// add the one new element to the projector.
const removedElements = projector.removeAllNonStableElements();
let changed = removedElements.length > 0;
if (element) {
projector.addElement(element);
changed = true;
}
if (changed) {
await this.projectRequest(projector, projector.elements, null, removedElements);
}
}
}示例2: projectPreviewSlide
/**
* Projects one slide (given by the index of the preview) on the given projector. Moves
* all current projected non-stable elements to the history.
*
* @param projector The projector
* @param previewIndex The index in the `elements_preview` array.
*/
public async projectPreviewSlide(projector: Projector, previewIndex: number): Promise<void> {
if (projector.elements_preview.length === 0 || previewIndex >= projector.elements_preview.length) {
return;
}
const removedElements = projector.removeAllNonStableElements();
projector.addElement(projector.elements_preview.splice(previewIndex, 1)[0]);
await this.projectRequest(projector, projector.elements, projector.elements_preview, removedElements);
}示例3: projectPreviousSlide
/**
* Projects the last slide of the history. This slide will be removed from the history.
*
* @param projector The projector
*/
public async projectPreviousSlide(projector: Projector): Promise<void> {
if (projector.elements_history.length === 0) {
return;
}
// Get the last element from the history
const lastElements: ProjectorElements = projector.elements_history[projector.elements_history.length - 1];
let lastElement: ProjectorElement = null;
if (lastElements.length > 0) {
lastElement = lastElements[0];
}
// Add all current elements to the preview.
const removedElements = projector.removeAllNonStableElements();
removedElements.forEach(e => projector.elements_preview.unshift(e));
// Add last element
if (lastElement) {
projector.addElement(lastElement);
}
await this.projectRequest(projector, projector.elements, projector.elements_preview, null, true);
}