本文整理汇总了TypeScript中vs/base/common/iterator.IIterator类的典型用法代码示例。如果您正苦于以下问题：TypeScript IIterator类的具体用法？TypeScript IIterator怎么用？TypeScript IIterator使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了IIterator类的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: onRefreshItems
// Ordered, but not necessarily contiguous items
public onRefreshItems(iterator: IIterator<Item>): void {
var item: Item;
var viewItem: IViewItem;
var newHeight: number;
var i: number, j:number = null;
var cummDiff = 0;
while (item = iterator.next()) {
i = this.indexes[item.id];
for (; cummDiff !== 0 && j !== null && j < i; j++) {
viewItem = this.heightMap[j];
viewItem.top += cummDiff;
this.onRefreshItem(viewItem);
}
viewItem = this.heightMap[i];
newHeight = item.getHeight();
viewItem.top += cummDiff;
cummDiff += newHeight - viewItem.height;
viewItem.height = newHeight;
this.onRefreshItem(viewItem, true);
j = i + 1;
}
if (cummDiff !== 0 && j !== null) {
for (; j < this.heightMap.length; j++) {
viewItem = this.heightMap[j];
viewItem.top += cummDiff;
this.onRefreshItem(viewItem);
}
}
}示例2: onInsertItems
public onInsertItems(iterator: IIterator<Item>, afterItemId: string = null): number {
var item: Item;
var viewItem: IViewItem;
var i: number, j: number;
var totalSize: number;
var sizeDiff = 0;
if (afterItemId === null) {
i = 0;
totalSize = 0;
} else {
i = this.indexes[afterItemId] + 1;
viewItem = this.heightMap[i - 1];
if (!viewItem) {
console.error('view item doesnt exist');
return;
}
totalSize = viewItem.top + viewItem.height;
}
var boundSplice = this.heightMap.splice.bind(this.heightMap, i, 0);
var itemsToInsert: IViewItem[] = [];
while (item = iterator.next()) {
viewItem = this.createViewItem(item);
viewItem.top = totalSize + sizeDiff;
this.emit('viewItem:create', { item: viewItem.model });
this.indexes[item.id] = i++;
itemsToInsert.push(viewItem);
sizeDiff += viewItem.height;
}
boundSplice.apply(this.heightMap, itemsToInsert);
for (j = i; j < this.heightMap.length; j++) {
viewItem = this.heightMap[j];
viewItem.top += sizeDiff;
this.indexes[viewItem.model.id] = j;
}
for (j = itemsToInsert.length - 1; j >= 0; j--) {
this.onInsertItem(itemsToInsert[j]);
}
for (j = this.heightMap.length - 1; j >= i; j--) {
this.onRefreshItem(this.heightMap[j]);
}
return sizeDiff;
}示例3: onRemoveItems
// Contiguous items
public onRemoveItems(iterator: IIterator<string>): void {
var itemId: string;
var viewItem: IViewItem;
var startIndex: number = null;
var i: number;
var sizeDiff = 0;
while (itemId = iterator.next()) {
i = this.indexes[itemId];
viewItem = this.heightMap[i];
if (!viewItem) {
console.error('view item doesnt exist');
return;
}
sizeDiff -= viewItem.height;
delete this.indexes[itemId];
this.onRemoveItem(viewItem);
if (startIndex === null) {
startIndex = i;
}
}
if (sizeDiff === 0) {
return;
}
this.heightMap.splice(startIndex, i - startIndex + 1);
for (i = startIndex; i < this.heightMap.length; i++) {
viewItem = this.heightMap[i];
viewItem.top += sizeDiff;
this.indexes[viewItem.model.id] = i;
this.onRefreshItem(viewItem);
}
}