diff options
| author | wei <> | 2006-01-16 02:59:04 +0000 |
|---|---|---|
| committer | wei <> | 2006-01-16 02:59:04 +0000 |
| commit | ce2b2803b78379a2bfca2849a5d5f8933a1634ea (patch) | |
| tree | cc79e490dcdec6bc14e5c703f273f299fcfc2982 /framework/Web/Javascripts/rico/extension.js | |
| parent | ca47a8c7fd5eb9f34ac00a2f1a843859d6123dd8 (diff) | |
Diffstat (limited to 'framework/Web/Javascripts/rico/extension.js')
| -rw-r--r-- | framework/Web/Javascripts/rico/extension.js | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/framework/Web/Javascripts/rico/extension.js b/framework/Web/Javascripts/rico/extension.js new file mode 100644 index 00000000..d3df3a9b --- /dev/null +++ b/framework/Web/Javascripts/rico/extension.js @@ -0,0 +1,175 @@ +Prado.RicoLiveGrid = Class.create();
+Prado.RicoLiveGrid.prototype = Object.extend(Rico.LiveGrid.prototype,
+{
+ initialize : function(tableId, options)
+ {
+ this.options = {
+ tableClass: $(tableId).className || '',
+ loadingClass: $(tableId).className || '',
+ scrollerBorderRight: '1px solid #ababab',
+ bufferTimeout: 20000,
+ sortAscendImg: 'images/sort_asc.gif',
+ sortDescendImg: 'images/sort_desc.gif',
+ sortImageWidth: 9,
+ sortImageHeight: 5,
+ ajaxSortURLParms: [],
+ onRefreshComplete: null,
+ requestParameters: null,
+ inlineStyles: true,
+ visibleRows: 10,
+ totalRows: 0,
+ initialOffset: 0
+ };
+ Object.extend(this.options, options || {});
+
+ //this.ajaxOptions = {parameters: null};
+ //Object.extend(this.ajaxOptions, ajaxOptions || {});
+
+ this.tableId = tableId;
+ this.table = $(tableId);
+
+ this.addLiveGridHtml();
+
+ var columnCount = this.table.rows[0].cells.length;
+ this.metaData = new Rico.LiveGridMetaData(this.options.visibleRows, this.options.totalRows, columnCount, options);
+ this.buffer = new Rico.LiveGridBuffer(this.metaData);
+
+ var rowCount = this.table.rows.length;
+ this.viewPort = new Rico.GridViewPort(this.table,
+ this.table.offsetHeight/rowCount,
+ this.options.visibleRows,
+ this.buffer, this);
+ this.scroller = new Rico.LiveGridScroller(this,this.viewPort);
+ this.options.sortHandler = this.sortHandler.bind(this);
+
+ if ( $(tableId + '_header') )
+ this.sort = new Rico.LiveGridSort(tableId + '_header', this.options)
+
+ this.processingRequest = null;
+ this.unprocessedRequest = null;
+
+ //this.initAjax(url);
+ if (this.options.initialOffset >= 0)
+ {
+ var offset = this.options.initialOffset;
+ this.scroller.moveScroll(offset);
+ this.viewPort.scrollTo(this.scroller.rowToPixel(offset));
+ if (this.options.sortCol) {
+ this.sortCol = options.sortCol;
+ this.sortDir = options.sortDir;
+ }
+ var grid = this;
+ setTimeout(function(){
+ grid.requestContentRefresh(offset);
+ },100);
+ }
+ },
+
+ fetchBuffer: function(offset)
+ {
+ if ( this.buffer.isInRange(offset) &&
+ !this.buffer.isNearingLimit(offset)) {
+ return;
+ }
+ if (this.processingRequest) {
+ this.unprocessedRequest = new Rico.LiveGridRequest(offset);
+ return;
+ }
+ var bufferStartPos = this.buffer.getFetchOffset(offset);
+ this.processingRequest = new Rico.LiveGridRequest(offset);
+ this.processingRequest.bufferOffset = bufferStartPos;
+ var fetchSize = this.buffer.getFetchSize(offset);
+ var partialLoaded = false;
+
+ // var queryString
+ // if (this.options.requestParameters)
+ // queryString = this._createQueryString(this.options.requestParameters, 0);
+ var param =
+ {
+ 'page_size' : fetchSize,
+ 'offset' : bufferStartPos
+ };
+ if(this.sortCol)
+ {
+ Object.extend(param,
+ {
+ 'sort_col': this.sortCol,
+ 'sort_dir': this.sortDir
+ });
+ }
+ /*queryString = (queryString == null) ? '' : queryString+'&';
+ queryString = queryString+'id='+this.tableId+'&page_size='+fetchSize+'&offset='+bufferStartPos;
+ if (this.sortCol)
+ queryString = queryString+'&sort_col='+escape(this.sortCol)+'&sort_dir='+this.sortDir;
+
+ this.ajaxOptions.parameters = queryString;
+
+ ajaxEngine.sendRequest( this.tableId + '_request', this.ajaxOptions );
+ */
+ Prado.Callback(this.tableId, param, this.ajaxUpdate.bind(this), this.options);
+ this.timeoutHandler = setTimeout( this.handleTimedOut.bind(this), this.options.bufferTimeout);
+
+ },
+
+ ajaxUpdate: function(result, output)
+ {
+ try {
+ clearTimeout( this.timeoutHandler );
+ this.buffer.update(result,this.processingRequest.bufferOffset);
+ this.viewPort.bufferChanged();
+ }
+ catch(err) {}
+ finally {this.processingRequest = null; }
+ this.processQueuedRequest();
+ }
+});
+
+Object.extend(Rico.LiveGridBuffer.prototype,
+{
+ update: function(newRows, start)
+ {
+ if (this.rows.length == 0) { // initial load
+ this.rows = newRows;
+ this.size = this.rows.length;
+ this.startPos = start;
+ return;
+ }
+ if (start > this.startPos) { //appending
+ if (this.startPos + this.rows.length < start) {
+ this.rows = newRows;
+ this.startPos = start;//
+ } else {
+ this.rows = this.rows.concat( newRows.slice(0, newRows.length));
+ if (this.rows.length > this.maxBufferSize) {
+ var fullSize = this.rows.length;
+ this.rows = this.rows.slice(this.rows.length - this.maxBufferSize, this.rows.length)
+ this.startPos = this.startPos + (fullSize - this.rows.length);
+ }
+ }
+ } else { //prepending
+ if (start + newRows.length < this.startPos) {
+ this.rows = newRows;
+ } else {
+ this.rows = newRows.slice(0, this.startPos).concat(this.rows);
+ if (this.rows.length > this.maxBufferSize)
+ this.rows = this.rows.slice(0, this.maxBufferSize)
+ }
+ this.startPos = start;
+ }
+ this.size = this.rows.length;
+ }
+});
+
+
+Object.extend(Rico.GridViewPort.prototype,
+{
+ populateRow: function(htmlRow, row)
+ {
+ if(isdef(htmlRow))
+ {
+ for (var j=0; j < row.length; j++) {
+ htmlRow.cells[j].innerHTML = row[j]
+ }
+ }
+ }
+});
\ No newline at end of file |