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author | mensonge <mensonge@b3834d28-1941-0410-a4f8-b48e95affb8f> | 2008-11-14 15:39:19 +0000 |
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committer | mensonge <mensonge@b3834d28-1941-0410-a4f8-b48e95affb8f> | 2008-11-14 15:39:19 +0000 |
commit | 1c5685d68f1b73270fb814fe04cbb490eb90ba5f (patch) | |
tree | 3d3ada08a934b96fc31531f1327690d7edc6f766 /includes/js/dojox/grid/_grid/scroller.js | |
parent | 104d59099e048688c4dbac37d72137006e396558 (diff) | |
download | semanticscuttle-1c5685d68f1b73270fb814fe04cbb490eb90ba5f.tar.gz semanticscuttle-1c5685d68f1b73270fb814fe04cbb490eb90ba5f.tar.bz2 |
Minor fix: Remove DOJO library (60Mo) replaced by link to Google CDN (online DOJO library)
git-svn-id: https://semanticscuttle.svn.sourceforge.net/svnroot/semanticscuttle/trunk@159 b3834d28-1941-0410-a4f8-b48e95affb8f
Diffstat (limited to 'includes/js/dojox/grid/_grid/scroller.js')
-rw-r--r-- | includes/js/dojox/grid/_grid/scroller.js | 489 |
1 files changed, 0 insertions, 489 deletions
diff --git a/includes/js/dojox/grid/_grid/scroller.js b/includes/js/dojox/grid/_grid/scroller.js deleted file mode 100644 index d331367..0000000 --- a/includes/js/dojox/grid/_grid/scroller.js +++ /dev/null @@ -1,489 +0,0 @@ -if(!dojo._hasResource['dojox.grid._grid.scroller']){ //_hasResource checks added by build. Do not use _hasResource directly in your code. -dojo._hasResource['dojox.grid._grid.scroller'] = true; -dojo.provide('dojox.grid._grid.scroller'); - -dojo.declare('dojox.grid.scroller.base', null, { - // summary: - // virtual scrollbox, abstract class - // Content must in /rows/ - // Rows are managed in contiguous sets called /pages/ - // There are a fixed # of rows per page - // The minimum rendered unit is a page - constructor: function(){ - this.pageHeights = []; - this.stack = []; - }, - // specified - rowCount: 0, // total number of rows to manage - defaultRowHeight: 10, // default height of a row - keepRows: 100, // maximum number of rows that should exist at one time - contentNode: null, // node to contain pages - scrollboxNode: null, // node that controls scrolling - // calculated - defaultPageHeight: 0, // default height of a page - keepPages: 10, // maximum number of pages that should exists at one time - pageCount: 0, - windowHeight: 0, - firstVisibleRow: 0, - lastVisibleRow: 0, - // private - page: 0, - pageTop: 0, - // init - init: function(inRowCount, inKeepRows, inRowsPerPage){ - switch(arguments.length){ - case 3: this.rowsPerPage = inRowsPerPage; - case 2: this.keepRows = inKeepRows; - case 1: this.rowCount = inRowCount; - } - this.defaultPageHeight = this.defaultRowHeight * this.rowsPerPage; - //this.defaultPageHeight = this.defaultRowHeight * Math.min(this.rowsPerPage, this.rowCount); - this.pageCount = Math.ceil(this.rowCount / this.rowsPerPage); - this.setKeepInfo(this.keepRows); - this.invalidate(); - if(this.scrollboxNode){ - this.scrollboxNode.scrollTop = 0; - this.scroll(0); - this.scrollboxNode.onscroll = dojo.hitch(this, 'onscroll'); - } - }, - setKeepInfo: function(inKeepRows){ - this.keepRows = inKeepRows; - this.keepPages = !this.keepRows ? this.keepRows : Math.max(Math.ceil(this.keepRows / this.rowsPerPage), 2); - }, - // updating - invalidate: function(){ - this.invalidateNodes(); - this.pageHeights = []; - this.height = (this.pageCount ? (this.pageCount - 1)* this.defaultPageHeight + this.calcLastPageHeight() : 0); - this.resize(); - }, - updateRowCount: function(inRowCount){ - this.invalidateNodes(); - this.rowCount = inRowCount; - // update page count, adjust document height - oldPageCount = this.pageCount; - this.pageCount = Math.ceil(this.rowCount / this.rowsPerPage); - if(this.pageCount < oldPageCount){ - for(var i=oldPageCount-1; i>=this.pageCount; i--){ - this.height -= this.getPageHeight(i); - delete this.pageHeights[i] - } - }else if(this.pageCount > oldPageCount){ - this.height += this.defaultPageHeight * (this.pageCount - oldPageCount - 1) + this.calcLastPageHeight(); - } - this.resize(); - }, - // abstract interface - pageExists: function(inPageIndex){ - }, - measurePage: function(inPageIndex){ - }, - positionPage: function(inPageIndex, inPos){ - }, - repositionPages: function(inPageIndex){ - }, - installPage: function(inPageIndex){ - }, - preparePage: function(inPageIndex, inPos, inReuseNode){ - }, - renderPage: function(inPageIndex){ - }, - removePage: function(inPageIndex){ - }, - pacify: function(inShouldPacify){ - }, - // pacification - pacifying: false, - pacifyTicks: 200, - setPacifying: function(inPacifying){ - if(this.pacifying != inPacifying){ - this.pacifying = inPacifying; - this.pacify(this.pacifying); - } - }, - startPacify: function(){ - this.startPacifyTicks = new Date().getTime(); - }, - doPacify: function(){ - var result = (new Date().getTime() - this.startPacifyTicks) > this.pacifyTicks; - this.setPacifying(true); - this.startPacify(); - return result; - }, - endPacify: function(){ - this.setPacifying(false); - }, - // default sizing implementation - resize: function(){ - if(this.scrollboxNode){ - this.windowHeight = this.scrollboxNode.clientHeight; - } - dojox.grid.setStyleHeightPx(this.contentNode, this.height); - }, - calcLastPageHeight: function(){ - if(!this.pageCount){ - return 0; - } - var lastPage = this.pageCount - 1; - var lastPageHeight = ((this.rowCount % this.rowsPerPage)||(this.rowsPerPage)) * this.defaultRowHeight; - this.pageHeights[lastPage] = lastPageHeight; - return lastPageHeight; - }, - updateContentHeight: function(inDh){ - this.height += inDh; - this.resize(); - }, - updatePageHeight: function(inPageIndex){ - if(this.pageExists(inPageIndex)){ - var oh = this.getPageHeight(inPageIndex); - var h = (this.measurePage(inPageIndex))||(oh); - this.pageHeights[inPageIndex] = h; - if((h)&&(oh != h)){ - this.updateContentHeight(h - oh) - this.repositionPages(inPageIndex); - } - } - }, - rowHeightChanged: function(inRowIndex){ - this.updatePageHeight(Math.floor(inRowIndex / this.rowsPerPage)); - }, - // scroller core - invalidateNodes: function(){ - while(this.stack.length){ - this.destroyPage(this.popPage()); - } - }, - createPageNode: function(){ - var p = document.createElement('div'); - p.style.position = 'absolute'; - //p.style.width = '100%'; - p.style[dojo._isBodyLtr() ? "left" : "right"] = '0'; - return p; - }, - getPageHeight: function(inPageIndex){ - var ph = this.pageHeights[inPageIndex]; - return (ph !== undefined ? ph : this.defaultPageHeight); - }, - // FIXME: this is not a stack, it's a FIFO list - pushPage: function(inPageIndex){ - return this.stack.push(inPageIndex); - }, - popPage: function(){ - return this.stack.shift(); - }, - findPage: function(inTop){ - var i = 0, h = 0; - for(var ph = 0; i<this.pageCount; i++, h += ph){ - ph = this.getPageHeight(i); - if(h + ph >= inTop){ - break; - } - } - this.page = i; - this.pageTop = h; - }, - buildPage: function(inPageIndex, inReuseNode, inPos){ - this.preparePage(inPageIndex, inReuseNode); - this.positionPage(inPageIndex, inPos); - // order of operations is key below - this.installPage(inPageIndex); - this.renderPage(inPageIndex); - // order of operations is key above - this.pushPage(inPageIndex); - }, - needPage: function(inPageIndex, inPos){ - var h = this.getPageHeight(inPageIndex), oh = h; - if(!this.pageExists(inPageIndex)){ - this.buildPage(inPageIndex, this.keepPages&&(this.stack.length >= this.keepPages), inPos); - h = this.measurePage(inPageIndex) || h; - this.pageHeights[inPageIndex] = h; - if(h && (oh != h)){ - this.updateContentHeight(h - oh) - } - }else{ - this.positionPage(inPageIndex, inPos); - } - return h; - }, - onscroll: function(){ - this.scroll(this.scrollboxNode.scrollTop); - }, - scroll: function(inTop){ - this.startPacify(); - this.findPage(inTop); - var h = this.height; - var b = this.getScrollBottom(inTop); - for(var p=this.page, y=this.pageTop; (p<this.pageCount)&&((b<0)||(y<b)); p++){ - y += this.needPage(p, y); - } - this.firstVisibleRow = this.getFirstVisibleRow(this.page, this.pageTop, inTop); - this.lastVisibleRow = this.getLastVisibleRow(p - 1, y, b); - // indicates some page size has been updated - if(h != this.height){ - this.repositionPages(p-1); - } - this.endPacify(); - }, - getScrollBottom: function(inTop){ - return (this.windowHeight >= 0 ? inTop + this.windowHeight : -1); - }, - // events - processNodeEvent: function(e, inNode){ - var t = e.target; - while(t && (t != inNode) && t.parentNode && (t.parentNode.parentNode != inNode)){ - t = t.parentNode; - } - if(!t || !t.parentNode || (t.parentNode.parentNode != inNode)){ - return false; - } - var page = t.parentNode; - e.topRowIndex = page.pageIndex * this.rowsPerPage; - e.rowIndex = e.topRowIndex + dojox.grid.indexInParent(t); - e.rowTarget = t; - return true; - }, - processEvent: function(e){ - return this.processNodeEvent(e, this.contentNode); - }, - dummy: 0 -}); - -dojo.declare('dojox.grid.scroller', dojox.grid.scroller.base, { - // summary: - // virtual scroller class, makes no assumption about shape of items being scrolled - constructor: function(){ - this.pageNodes = []; - }, - // virtual rendering interface - renderRow: function(inRowIndex, inPageNode){ - }, - removeRow: function(inRowIndex){ - }, - // page node operations - getDefaultNodes: function(){ - return this.pageNodes; - }, - getDefaultPageNode: function(inPageIndex){ - return this.getDefaultNodes()[inPageIndex]; - }, - positionPageNode: function(inNode, inPos){ - inNode.style.top = inPos + 'px'; - }, - getPageNodePosition: function(inNode){ - return inNode.offsetTop; - }, - repositionPageNodes: function(inPageIndex, inNodes){ - var last = 0; - for(var i=0; i<this.stack.length; i++){ - last = Math.max(this.stack[i], last); - } - // - var n = inNodes[inPageIndex]; - var y = (n ? this.getPageNodePosition(n) + this.getPageHeight(inPageIndex) : 0); - //console.log('detected height change, repositioning from #%d (%d) @ %d ', inPageIndex + 1, last, y, this.pageHeights[0]); - // - for(var p=inPageIndex+1; p<=last; p++){ - n = inNodes[p]; - if(n){ - //console.log('#%d @ %d', inPageIndex, y, this.getPageNodePosition(n)); - if(this.getPageNodePosition(n) == y){ - return; - } - //console.log('placing page %d at %d', p, y); - this.positionPage(p, y); - } - y += this.getPageHeight(p); - } - }, - invalidatePageNode: function(inPageIndex, inNodes){ - var p = inNodes[inPageIndex]; - if(p){ - delete inNodes[inPageIndex]; - this.removePage(inPageIndex, p); - dojox.grid.cleanNode(p); - p.innerHTML = ''; - } - return p; - }, - preparePageNode: function(inPageIndex, inReusePageIndex, inNodes){ - var p = (inReusePageIndex === null ? this.createPageNode() : this.invalidatePageNode(inReusePageIndex, inNodes)); - p.pageIndex = inPageIndex; - p.id = (this._pageIdPrefix || "") + 'page-' + inPageIndex; - inNodes[inPageIndex] = p; - }, - // implementation for page manager - pageExists: function(inPageIndex){ - return Boolean(this.getDefaultPageNode(inPageIndex)); - }, - measurePage: function(inPageIndex){ - return this.getDefaultPageNode(inPageIndex).offsetHeight; - }, - positionPage: function(inPageIndex, inPos){ - this.positionPageNode(this.getDefaultPageNode(inPageIndex), inPos); - }, - repositionPages: function(inPageIndex){ - this.repositionPageNodes(inPageIndex, this.getDefaultNodes()); - }, - preparePage: function(inPageIndex, inReuseNode){ - this.preparePageNode(inPageIndex, (inReuseNode ? this.popPage() : null), this.getDefaultNodes()); - }, - installPage: function(inPageIndex){ - this.contentNode.appendChild(this.getDefaultPageNode(inPageIndex)); - }, - destroyPage: function(inPageIndex){ - var p = this.invalidatePageNode(inPageIndex, this.getDefaultNodes()); - dojox.grid.removeNode(p); - }, - // rendering implementation - renderPage: function(inPageIndex){ - var node = this.pageNodes[inPageIndex]; - for(var i=0, j=inPageIndex*this.rowsPerPage; (i<this.rowsPerPage)&&(j<this.rowCount); i++, j++){ - this.renderRow(j, node); - } - }, - removePage: function(inPageIndex){ - for(var i=0, j=inPageIndex*this.rowsPerPage; i<this.rowsPerPage; i++, j++){ - this.removeRow(j); - } - }, - // scroll control - getPageRow: function(inPage){ - return inPage * this.rowsPerPage; - }, - getLastPageRow: function(inPage){ - return Math.min(this.rowCount, this.getPageRow(inPage + 1)) - 1; - }, - getFirstVisibleRowNodes: function(inPage, inPageTop, inScrollTop, inNodes){ - var row = this.getPageRow(inPage); - var rows = dojox.grid.divkids(inNodes[inPage]); - for(var i=0,l=rows.length; i<l && inPageTop<inScrollTop; i++, row++){ - inPageTop += rows[i].offsetHeight; - } - return (row ? row - 1 : row); - }, - getFirstVisibleRow: function(inPage, inPageTop, inScrollTop){ - if(!this.pageExists(inPage)){ - return 0; - } - return this.getFirstVisibleRowNodes(inPage, inPageTop, inScrollTop, this.getDefaultNodes()); - }, - getLastVisibleRowNodes: function(inPage, inBottom, inScrollBottom, inNodes){ - var row = this.getLastPageRow(inPage); - var rows = dojox.grid.divkids(inNodes[inPage]); - for(var i=rows.length-1; i>=0 && inBottom>inScrollBottom; i--, row--){ - inBottom -= rows[i].offsetHeight; - } - return row + 1; - }, - getLastVisibleRow: function(inPage, inBottom, inScrollBottom){ - if(!this.pageExists(inPage)){ - return 0; - } - return this.getLastVisibleRowNodes(inPage, inBottom, inScrollBottom, this.getDefaultNodes()); - }, - findTopRowForNodes: function(inScrollTop, inNodes){ - var rows = dojox.grid.divkids(inNodes[this.page]); - for(var i=0,l=rows.length,t=this.pageTop,h; i<l; i++){ - h = rows[i].offsetHeight; - t += h; - if(t >= inScrollTop){ - this.offset = h - (t - inScrollTop); - return i + this.page * this.rowsPerPage; - } - } - return -1; - }, - findScrollTopForNodes: function(inRow, inNodes){ - var rowPage = Math.floor(inRow / this.rowsPerPage); - var t = 0; - for(var i=0; i<rowPage; i++){ - t += this.getPageHeight(i); - } - this.pageTop = t; - this.needPage(rowPage, this.pageTop); - var rows = dojox.grid.divkids(inNodes[rowPage]); - var r = inRow - this.rowsPerPage * rowPage; - for(var i=0,l=rows.length; i<l && i<r; i++){ - t += rows[i].offsetHeight; - } - return t; - }, - findTopRow: function(inScrollTop){ - return this.findTopRowForNodes(inScrollTop, this.getDefaultNodes()); - }, - findScrollTop: function(inRow){ - return this.findScrollTopForNodes(inRow, this.getDefaultNodes()); - }, - dummy: 0 -}); - -dojo.declare('dojox.grid.scroller.columns', dojox.grid.scroller, { - // summary: - // Virtual scroller class that scrolls list of columns. Owned by grid and used internally - // for virtual scrolling. - constructor: function(inContentNodes){ - this.setContentNodes(inContentNodes); - }, - // nodes - setContentNodes: function(inNodes){ - this.contentNodes = inNodes; - this.colCount = (this.contentNodes ? this.contentNodes.length : 0); - this.pageNodes = []; - for(var i=0; i<this.colCount; i++){ - this.pageNodes[i] = []; - } - }, - getDefaultNodes: function(){ - return this.pageNodes[0] || []; - }, - scroll: function(inTop) { - if(this.colCount){ - dojox.grid.scroller.prototype.scroll.call(this, inTop); - } - }, - // resize - resize: function(){ - if(this.scrollboxNode){ - this.windowHeight = this.scrollboxNode.clientHeight; - } - for(var i=0; i<this.colCount; i++){ - dojox.grid.setStyleHeightPx(this.contentNodes[i], this.height); - } - }, - // implementation for page manager - positionPage: function(inPageIndex, inPos){ - for(var i=0; i<this.colCount; i++){ - this.positionPageNode(this.pageNodes[i][inPageIndex], inPos); - } - }, - preparePage: function(inPageIndex, inReuseNode){ - var p = (inReuseNode ? this.popPage() : null); - for(var i=0; i<this.colCount; i++){ - this.preparePageNode(inPageIndex, p, this.pageNodes[i]); - } - }, - installPage: function(inPageIndex){ - for(var i=0; i<this.colCount; i++){ - this.contentNodes[i].appendChild(this.pageNodes[i][inPageIndex]); - } - }, - destroyPage: function(inPageIndex){ - for(var i=0; i<this.colCount; i++){ - dojox.grid.removeNode(this.invalidatePageNode(inPageIndex, this.pageNodes[i])); - } - }, - // rendering implementation - renderPage: function(inPageIndex){ - var nodes = []; - for(var i=0; i<this.colCount; i++){ - nodes[i] = this.pageNodes[i][inPageIndex]; - } - //this.renderRows(inPageIndex*this.rowsPerPage, this.rowsPerPage, nodes); - for(var i=0, j=inPageIndex*this.rowsPerPage; (i<this.rowsPerPage)&&(j<this.rowCount); i++, j++){ - this.renderRow(j, nodes); - } - } -}); - -} |