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@ -14,7 +14,9 @@ BI.Layout = BI.inherit(BI.Widget, {
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scrollable: null, // true, false, null
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scrollx: false, // true, false
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scrolly: false, // true, false
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items: [] |
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items: [], |
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innerHgap: 0, |
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innerVgap: 0, |
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}; |
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}, |
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@ -55,20 +57,6 @@ BI.Layout = BI.inherit(BI.Widget, {
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if (this.options.right) { |
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this.element.css("right", BI.isNumber(this.options.right) ? this.options.right / BI.pixRatio + BI.pixUnit : this.options.right); |
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} |
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if (this.options.padding) { |
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if (this.options.padding.left) { |
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this.element.css("padding-left", BI.isNumber(this.options.padding.left) ? this.options.padding.left / BI.pixRatio + BI.pixUnit : this.options.padding.left); |
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} |
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if (this.options.padding.right) { |
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this.element.css("padding-right", BI.isNumber(this.options.padding.right) ? this.options.padding.right / BI.pixRatio + BI.pixUnit : this.options.padding.right); |
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} |
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if (this.options.padding.top) { |
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this.element.css("padding-top", BI.isNumber(this.options.padding.top) ? this.options.padding.top / BI.pixRatio + BI.pixUnit : this.options.padding.top); |
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} |
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if (this.options.padding.bottom) { |
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this.element.css("padding-bottom", BI.isNumber(this.options.padding.bottom) ? this.options.padding.bottom / BI.pixRatio + BI.pixUnit : this.options.padding.bottom); |
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} |
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} |
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}, |
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_init4Scroll: function () { |
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@ -296,26 +284,36 @@ BI.Layout = BI.inherit(BI.Widget, {
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_handleGap: function (w, item, hIndex, vIndex) { |
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var o = this.options; |
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if (o.vgap + o.tgap + (item.tgap || 0) + (item.vgap || 0) !== 0) { |
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var top = ((BI.isNull(vIndex) || vIndex === 0) ? o.vgap : 0) + o.tgap + (item.tgap || 0) + (item.vgap || 0); |
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var innerLgap, innerRgap, innerTgap, innerBgap; |
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if (BI.isNull(vIndex)) { |
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innerTgap = innerBgap = o.innerVgap; |
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innerLgap = hIndex === 0 ? o.innerHgap : 0; |
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innerRgap = hIndex === o.items.length - 1 ? o.innerHgap : 0; |
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} else { |
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innerLgap = innerRgap = o.innerHgap; |
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innerTgap = vIndex === 0 ? o.innerVgap : 0; |
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innerBgap = vIndex === o.items.length - 1 ? o.innerVgap : 0; |
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} |
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if (o.vgap + o.tgap + innerTgap + (item.tgap || 0) + (item.vgap || 0) !== 0) { |
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var top = ((BI.isNull(vIndex) || vIndex === 0) ? o.vgap : 0) + o.tgap + innerTgap + (item.tgap || 0) + (item.vgap || 0); |
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w.element.css({ |
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"margin-top": this._optimiseGap(top) |
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}); |
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} |
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if (o.hgap + o.lgap + (item.lgap || 0) + (item.hgap || 0) !== 0) { |
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var left = ((BI.isNull(hIndex) || hIndex === 0) ? o.hgap : 0) + o.lgap + (item.lgap || 0) + (item.hgap || 0); |
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if (o.hgap + o.lgap + innerLgap + (item.lgap || 0) + (item.hgap || 0) !== 0) { |
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var left = ((BI.isNull(hIndex) || hIndex === 0) ? o.hgap : 0) + o.lgap + innerLgap + (item.lgap || 0) + (item.hgap || 0); |
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w.element.css({ |
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"margin-left": this._optimiseGap(left) |
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}); |
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} |
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if (o.hgap + o.rgap + (item.rgap || 0) + (item.hgap || 0) !== 0) { |
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var right = o.hgap + o.rgap + (item.rgap || 0) + (item.hgap || 0); |
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if (o.hgap + o.rgap + innerRgap + (item.rgap || 0) + (item.hgap || 0) !== 0) { |
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var right = o.hgap + o.rgap + innerRgap + (item.rgap || 0) + (item.hgap || 0); |
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w.element.css({ |
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"margin-right": this._optimiseGap(right) |
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}); |
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} |
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if (o.vgap + o.bgap + (item.bgap || 0) + (item.vgap || 0) !== 0) { |
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var bottom = o.vgap + o.bgap + (item.bgap || 0) + (item.vgap || 0); |
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if (o.vgap + o.bgap + innerBgap + (item.bgap || 0) + (item.vgap || 0) !== 0) { |
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var bottom = o.vgap + o.bgap + innerBgap + (item.bgap || 0) + (item.vgap || 0); |
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w.element.css({ |
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"margin-bottom": this._optimiseGap(bottom) |
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}); |
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@ -325,27 +323,31 @@ BI.Layout = BI.inherit(BI.Widget, {
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// 横向换纵向
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_handleReverseGap: function (w, item, index) { |
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var o = this.options; |
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if (o.vgap + o.tgap + (item.tgap || 0) + (item.vgap || 0) !== 0) { |
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var top = (index === 0 ? o.vgap : 0) + (index === 0 ? o.tgap : 0) + (item.tgap || 0) + (item.vgap || 0); |
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var innerLgap, innerRgap, innerTgap, innerBgap; |
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innerLgap = innerRgap = o.innerHgap; |
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innerTgap = index === 0 ? o.innerVgap : 0; |
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innerBgap = index === o.items.length - 1 ? o.innerVgap : 0; |
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if (o.vgap + o.tgap + innerTgap + (item.tgap || 0) + (item.vgap || 0) !== 0) { |
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var top = (index === 0 ? o.vgap : 0) + (index === 0 ? o.tgap : 0) + innerTgap + (item.tgap || 0) + (item.vgap || 0); |
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w.element.css({ |
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"margin-top": this._optimiseGap(top) |
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}); |
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} |
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if (o.hgap + o.lgap + (item.lgap || 0) + (item.hgap || 0) !== 0) { |
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var left = o.hgap + o.lgap + (item.lgap || 0) + (item.hgap || 0); |
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if (o.hgap + o.lgap + innerLgap + (item.lgap || 0) + (item.hgap || 0) !== 0) { |
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var left = o.hgap + o.lgap + innerLgap + (item.lgap || 0) + (item.hgap || 0); |
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w.element.css({ |
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"margin-left": this._optimiseGap(left) |
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}); |
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} |
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if (o.hgap + o.rgap + (item.rgap || 0) + (item.hgap || 0) !== 0) { |
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var right = o.hgap + o.rgap + (item.rgap || 0) + (item.hgap || 0); |
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if (o.hgap + o.rgap + innerRgap + (item.rgap || 0) + (item.hgap || 0) !== 0) { |
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var right = o.hgap + o.rgap + innerRgap + (item.rgap || 0) + (item.hgap || 0); |
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w.element.css({ |
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"margin-right": this._optimiseGap(right) |
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}); |
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} |
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// 这里的代码是关键
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if (o.vgap + o.hgap + o.bgap + (item.bgap || 0) + (item.vgap || 0) !== 0) { |
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var bottom = (index === o.items.length - 1 ? o.vgap : o.hgap) + (index === o.items.length - 1 ? o.bgap : 0) + (item.bgap || 0) + (item.vgap || 0); |
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if (o.vgap + o.hgap + o.bgap + innerBgap + (item.bgap || 0) + (item.vgap || 0) !== 0) { |
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var bottom = (index === o.items.length - 1 ? o.vgap : o.hgap) + (index === o.items.length - 1 ? o.bgap : 0) + innerBgap + (item.bgap || 0) + (item.vgap || 0); |
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w.element.css({ |
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"margin-bottom": this._optimiseGap(bottom) |
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}); |
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@ -492,7 +494,7 @@ BI.Layout = BI.inherit(BI.Widget, {
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} |
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}, |
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updateChildren: function (oldCh, newCh) { |
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updateChildren: function (oldCh, newCh, context) { |
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var self = this; |
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var oldStartIdx = 0, newStartIdx = 0; |
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var oldEndIdx = oldCh.length - 1; |
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@ -546,7 +548,7 @@ BI.Layout = BI.inherit(BI.Widget, {
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} else { |
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var sameOldVnode = findOldVnode(oldCh, newStartVnode, oldStartIdx, oldEndIdx); |
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if (BI.isNull(sameOldVnode[0])) { // 不存在就把新的放到左边
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var node = addNode(newStartVnode, newStartIdx); |
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var node = addNode(newStartVnode, newStartIdx, context); |
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insertBefore(node, oldStartVnode); |
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} else { // 如果新节点在旧节点区间中存在就复用一下
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var sameOldIndex = sameOldVnode[1]; |
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@ -561,7 +563,7 @@ BI.Layout = BI.inherit(BI.Widget, {
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} |
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if (oldStartIdx > oldEndIdx) { |
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before = BI.isNull(newCh[newEndIdx + 1]) ? null : newCh[newEndIdx + 1]; |
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addVnodes(before, newCh, newStartIdx, newEndIdx); |
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addVnodes(before, newCh, newStartIdx, newEndIdx, context); |
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} else if (newStartIdx > newEndIdx) { |
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removeVnodes(oldCh, oldStartIdx, oldEndIdx); |
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} |
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@ -586,15 +588,15 @@ BI.Layout = BI.inherit(BI.Widget, {
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} |
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} |
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function addNode (vnode, index) { |
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function addNode (vnode, index, context) { |
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var opt = self._getOptions(vnode); |
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var key = opt.key == null ? index : opt.key; |
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return children[key] = self._newElement(index, vnode); |
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return children[key] = self._newElement(index, vnode, context); |
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} |
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function addVnodes (before, vnodes, startIdx, endIdx) { |
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function addVnodes (before, vnodes, startIdx, endIdx, context) { |
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for (; startIdx <= endIdx; ++startIdx) { |
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var node = addNode(vnodes[startIdx], startIdx); |
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var node = addNode(vnodes[startIdx], startIdx, context); |
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insertBefore(node, before, false, startIdx); |
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} |
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} |
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@ -662,16 +664,18 @@ BI.Layout = BI.inherit(BI.Widget, {
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update: function (opt) { |
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var o = this.options; |
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var items = opt.items || []; |
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var context = opt.context; |
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var oldItems = o.items; |
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this.options.items = items; |
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return this.updateChildren(oldItems, items); |
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return this.updateChildren(oldItems, items, context); |
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}, |
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stroke: function (items) { |
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stroke: function (items, options) { |
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options = options || {}; |
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var self = this; |
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BI.each(items, function (i, item) { |
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if (item) { |
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self._addElement(i, item); |
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self._addElement(i, item, options.context); |
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} |
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}); |
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}, |
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@ -702,14 +706,18 @@ BI.Layout = BI.inherit(BI.Widget, {
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this.options.items = []; |
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}, |
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populate: function (items) { |
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populate: function (items, options) { |
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items = items || []; |
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options = options || {}; |
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if (this._isMounted) { |
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this.update({items: items}); |
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this.update({ |
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items: items, |
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context: options.context |
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}); |
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return; |
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} |
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this.options.items = items; |
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this.stroke(items); |
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this.stroke(items, options); |
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}, |
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resize: function () { |
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Claire
3 years ago
