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@ -58,7 +58,7 @@ BI.CollectionView = BI.inherit(BI.Widget, {
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if (o.overflowY === false) { |
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scrollable = false; |
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} else { |
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scrollable = "y" |
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scrollable = "y"; |
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} |
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} else { |
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if (o.overflowY === false) { |
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@ -101,10 +101,10 @@ BI.CollectionView = BI.inherit(BI.Widget, {
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for (var index = 0, len = o.items.length; index < len; index++) { |
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var cellMetadatum = o.cellSizeAndPositionGetter(index); |
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if (cellMetadatum.height == null || isNaN(cellMetadatum.height) || |
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cellMetadatum.width == null || isNaN(cellMetadatum.width) || |
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cellMetadatum.x == null || isNaN(cellMetadatum.x) || |
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cellMetadatum.y == null || isNaN(cellMetadatum.y)) { |
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if (cellMetadatum.height === null || isNaN(cellMetadatum.height) || |
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cellMetadatum.width === null || isNaN(cellMetadatum.width) || |
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cellMetadatum.x === null || isNaN(cellMetadatum.x) || |
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cellMetadatum.y === null || isNaN(cellMetadatum.y)) { |
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throw Error(); |
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} |
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@ -124,16 +124,18 @@ BI.CollectionView = BI.inherit(BI.Widget, {
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_cellRenderers: function (height, width, x, y) { |
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this._lastRenderedCellIndices = this._sectionManager.getCellIndices(height, width, x, y); |
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return this._cellGroupRenderer(); |
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}, |
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_cellGroupRenderer: function () { |
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var self = this, o = this.options; |
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var self = this; |
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var rendered = []; |
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BI.each(this._lastRenderedCellIndices, function (i, index) { |
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var cellMetadata = self._sectionManager.getCellMetadata(index); |
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rendered.push(cellMetadata); |
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}); |
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return rendered; |
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}, |
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@ -167,16 +169,16 @@ BI.CollectionView = BI.inherit(BI.Widget, {
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var topMap = BI.invert(tops); |
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// 存储上下左右四个边界
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var leftBorder = {}, rightBorder = {}, topBorder = {}, bottomBorder = {}; |
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var assertMinBorder = function (border, offset) { |
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if (border[offset] == null) { |
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function assertMinBorder(border, offset) { |
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if (border[offset] === null) { |
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border[offset] = Number.MAX_VALUE; |
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} |
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}; |
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var assertMaxBorder = function (border, offset) { |
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if (border[offset] == null) { |
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} |
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function assertMaxBorder(border, offset) { |
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if (border[offset] === null) { |
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border[offset] = 0; |
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} |
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}; |
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} |
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for (var i = 0, len = childrenToDisplay.length; i < len; i++) { |
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var datum = childrenToDisplay[i]; |
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var index = this.renderedKeys[datum.index] && this.renderedKeys[datum.index][1]; |
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@ -213,7 +215,7 @@ BI.CollectionView = BI.inherit(BI.Widget, {
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left: datum.x, |
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top: datum.y, |
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_left: datum.x, |
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_top: datum.y, |
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_top: datum.y |
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// _width: datum.width,
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// _height: datum.height
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}); |
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@ -280,7 +282,7 @@ BI.CollectionView = BI.inherit(BI.Widget, {
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var minY = BI.max(topBorder); |
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var maxY = BI.min(bottomBorder); |
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this.renderRange = {minX: minX, minY: minY, maxX: maxX, maxY: maxY}; |
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this.renderRange = { minX: minX, minY: minY, maxX: maxX, maxY: maxY }; |
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} |
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}, |
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@ -308,6 +310,7 @@ BI.CollectionView = BI.inherit(BI.Widget, {
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this.element.scrollTop(o.scrollTop); |
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this.element.scrollLeft(o.scrollLeft); |
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} catch (e) { |
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throw new Error("Failed in some way", { cause: e }); |
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} |
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this._calculateChildrenToRender(); |
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}, |
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@ -339,7 +342,7 @@ BI.CollectionView = BI.inherit(BI.Widget, {
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if (this.options.overflowX !== !!b) { |
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this.options.overflowX = !!b; |
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BI.nextTick(function () { |
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self.element.css({overflowX: b ? "auto" : "hidden"}); |
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self.element.css({ overflowX: b ? "auto" : "hidden" }); |
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}); |
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} |
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}, |
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@ -349,7 +352,7 @@ BI.CollectionView = BI.inherit(BI.Widget, {
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if (this.options.overflowY !== !!b) { |
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this.options.overflowY = !!b; |
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BI.nextTick(function () { |
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self.element.css({overflowY: b ? "auto" : "hidden"}); |
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self.element.css({ overflowY: b ? "auto" : "hidden" }); |
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}); |
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} |
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}, |
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