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Pull request #2197: 无JIRA任务 grid优化

Merge in VISUAL/fineui from ~GUY/fineui:master to master

* commit '34021940d10f7ec634f9916f2296f5e4477c8dbb':
  grid优化
es6
guy 3 years ago
parent
commit
be63f18bb7
  1. 6
      src/base/collection/collection.js
  2. 25
      src/base/grid/grid.js

6
src/base/collection/collection.js

@ -279,15 +279,15 @@ BI.CollectionView = BI.inherit(BI.Widget, {
if (o.items.length > 0) {
this.container.setWidth(this._width);
this.container.setHeight(this._height);
this._debounceRelease();
this._calculateChildrenToRender();
// 元素未挂载时不能设置scrollTop
try {
this.element.scrollTop(o.scrollTop);
this.element.scrollLeft(o.scrollLeft);
} catch (e) {
}
this._debounceRelease();
this._calculateChildrenToRender();
}
},

25
src/base/grid/grid.js

@ -74,20 +74,17 @@ BI.GridView = BI.inherit(BI.Widget, {
_calculateSizeAndPositionData: function () {
var o = this.options;
this.columnCount = 0;
this.rowCount = 0;
if (BI.isNumber(o.columnCount)) {
this.columnCount = o.columnCount;
} else if (o.items.length > 0) {
this.columnCount = o.items[0].length;
this.options.columnCount = o.items[0].length;
}
if (BI.isNumber(o.rowCount)) {
this.rowCount = o.rowCount;
} else {
this.rowCount = o.items.length;
this.options.rowCount = o.items.length;
}
this._columnSizeAndPositionManager = new BI.ScalingCellSizeAndPositionManager(this.columnCount, o.columnWidthGetter, o.estimatedColumnSize);
this._rowSizeAndPositionManager = new BI.ScalingCellSizeAndPositionManager(this.rowCount, o.rowHeightGetter, o.estimatedRowSize);
this._columnSizeAndPositionManager = new BI.ScalingCellSizeAndPositionManager(o.columnCount, o.columnWidthGetter, o.estimatedColumnSize);
this._rowSizeAndPositionManager = new BI.ScalingCellSizeAndPositionManager(o.rowCount, o.rowHeightGetter, o.estimatedRowSize);
},
_getOverscanIndices: function (cellCount, overscanCellsCount, startIndex, stopIndex) {
@ -119,9 +116,9 @@ BI.GridView = BI.inherit(BI.Widget, {
this._renderedRowStartIndex = visibleRowIndices.start;
this._renderedRowStopIndex = visibleRowIndices.stop;
var overscanColumnIndices = this._getOverscanIndices(this.columnCount, overscanColumnCount, this._renderedColumnStartIndex, this._renderedColumnStopIndex);
var overscanColumnIndices = this._getOverscanIndices(o.columnCount, overscanColumnCount, this._renderedColumnStartIndex, this._renderedColumnStopIndex);
var overscanRowIndices = this._getOverscanIndices(this.rowCount, overscanRowCount, this._renderedRowStartIndex, this._renderedRowStopIndex);
var overscanRowIndices = this._getOverscanIndices(o.rowCount, overscanRowCount, this._renderedRowStartIndex, this._renderedRowStopIndex);
var columnStartIndex = overscanColumnIndices.overscanStartIndex;
var columnStopIndex = overscanColumnIndices.overscanStopIndex;
@ -248,11 +245,11 @@ BI.GridView = BI.inherit(BI.Widget, {
},
_getContainerWidth: function () {
return this.columnCount * this.options.estimatedColumnSize;
return this.options.columnCount * this.options.estimatedColumnSize;
},
_getContainerHeight: function () {
return this.rowCount * this.options.estimatedRowSize;
return this.options.rowCount * this.options.estimatedRowSize;
},
_populate: function (items) {
@ -265,15 +262,15 @@ BI.GridView = BI.inherit(BI.Widget, {
if (o.items.length > 0) {
this.container.setWidth(this._getContainerWidth());
this.container.setHeight(this._getContainerHeight());
this._debounceRelease();
this._calculateChildrenToRender();
// 元素未挂载时不能设置scrollTop
try {
this.element.scrollTop(o.scrollTop);
this.element.scrollLeft(o.scrollLeft);
} catch (e) {
}
this._debounceRelease();
this._calculateChildrenToRender();
}
},

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