![David Huynh](/assets/img/avatar_default.png)
git-svn-id: http://google-refine.googlecode.com/svn/trunk@389 7d457c2a-affb-35e4-300a-418c747d4874
423 lines
14 KiB
JavaScript
423 lines
14 KiB
JavaScript
function DataTableView(div) {
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this._div = div;
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this._pageSize = 20;
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this._showRecon = true;
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this._collapsedColumnNames = {};
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this._showRows(0);
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}
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DataTableView.prototype.resize = function() {
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var topHeight = this._div.find(".viewPanel-summary").outerHeight(true) + this._div.find(".viewPanel-pagingControls").outerHeight(true);
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this._div.find(".data-table-container")
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.css("height", (this._div.innerHeight() - topHeight - 1) + "px")
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.css("display", "block");
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};
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DataTableView.prototype.update = function(onDone) {
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this._showRows(0, onDone);
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};
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DataTableView.prototype.render = function() {
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var self = this;
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var oldTableDiv = this._div.find(".data-table-container");
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var scrollLeft = (oldTableDiv.length > 0) ? oldTableDiv[0].scrollLeft : 0;
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var html = $(
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'<div bind="summaryDiv" class="viewPanel-summary"></div>' +
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'<table bind="pagingControls" width="100%" class="viewPanel-pagingControls"><tr><td align="right"></td><td align="right"></td></tr></table>' +
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'<div bind="dataTableContainer" class="data-table-container" style="display: none;"><table bind="table" class="data-table" cellspacing="0"></table></div>'
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);
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var elmts = DOM.bind(html);
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this._renderSummaryText(elmts.summaryDiv);
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this._renderPagingControls(elmts.pagingControls[0]);
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this._renderDataTable(elmts.table[0]);
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this._div.empty().append(html);
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this.resize();
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elmts.dataTableContainer[0].scrollLeft = scrollLeft;
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};
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DataTableView.prototype._renderSummaryText = function(elmt) {
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var summaryText;
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var from = (theProject.rowModel.start + 1);
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var to = Math.min(theProject.rowModel.filtered, theProject.rowModel.start + theProject.rowModel.limit);
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if (theProject.rowModel.filtered == theProject.rowModel.total) {
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summaryText = from + ' to ' + to + ' of <span class="viewPanel-summary-row-count">' + (theProject.rowModel.total) + '</span> rows';
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} else {
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summaryText = from + ' to ' + to + ' of <span class="viewPanel-summary-row-count">' +
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(theProject.rowModel.filtered) + '</span> rows (filtered from ' + (theProject.rowModel.total) + ' rows total)';
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}
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$('<span>').html(summaryText).appendTo(elmt);
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};
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DataTableView.prototype._renderPagingControls = function(table) {
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var self = this;
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var pagingControls0 = table.rows[0].cells[0];
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var pagingControls1 = table.rows[0].cells[1];
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var firstPage = $('<a href="javascript:{}">« first</a>').appendTo(pagingControls0);
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var previousPage = $('<a href="javascript:{}">« previous</a>').appendTo(pagingControls0);
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if (theProject.rowModel.start > 0) {
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firstPage.addClass("action").click(function(evt) { self._onClickFirstPage(this, evt); });
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previousPage.addClass("action").click(function(evt) { self._onClickPreviousPage(this, evt); });
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} else {
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firstPage.addClass("inaction");
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previousPage.addClass("inaction");
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}
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$('<span> • </span>').appendTo(pagingControls0);
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var nextPage = $('<a href="javascript:{}">next page »</a>').appendTo(pagingControls0);
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var lastPage = $('<a href="javascript:{}">last »</a>').appendTo(pagingControls0);
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if (theProject.rowModel.start + theProject.rowModel.limit < theProject.rowModel.filtered) {
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nextPage.addClass("action").click(function(evt) { self._onClickNextPage(this, evt); });
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lastPage.addClass("action").click(function(evt) { self._onClickLastPage(this, evt); });
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} else {
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nextPage.addClass("inaction");
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lastPage.addClass("inaction");
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}
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$('<span>page size: </span>').appendTo(pagingControls1);
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var sizes = [ 5, 10, 15, 20, 25, 50 ];
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var renderPageSize = function(index) {
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var pageSize = sizes[index];
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var a = $('<a href="javascript:{}"></a>').appendTo(pagingControls1)
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if (pageSize == self._pageSize) {
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a.text("[" + pageSize + "]").addClass("inaction");
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} else {
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a.text(pageSize).addClass("action").click(function(evt) {
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self._pageSize = pageSize;
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self.update();
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});
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}
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};
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for (var i = 0; i < sizes.length; i++) {
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renderPageSize(i);
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}
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};
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DataTableView.prototype._renderDataTable = function(table) {
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var self = this;
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var columns = theProject.columnModel.columns;
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var columnGroups = theProject.columnModel.columnGroups;
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/*------------------------------------------------------------
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* Column Group Headers
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*------------------------------------------------------------
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*/
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var renderColumnKeys = function(keys) {
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if (keys.length > 0) {
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var tr = table.insertRow(table.rows.length);
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tr.insertCell(0); // star
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tr.insertCell(1); // row index
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for (var c = 0; c < columns.length; c++) {
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var td = tr.insertCell(tr.cells.length);
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for (var k = 0; k < keys.length; k++) {
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if (c == keys[k]) {
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$('<img />').attr("src", "images/down-arrow.png").appendTo(td);
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break;
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}
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}
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}
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}
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};
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var renderColumnGroups = function(groups, keys) {
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var nextLayer = [];
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if (groups.length > 0) {
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var tr = table.insertRow(table.rows.length);
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tr.insertCell(0); // star
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tr.insertCell(1); // row index
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for (var c = 0; c < columns.length; c++) {
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var foundGroup = false;
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for (var g = 0; g < groups.length; g++) {
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var columnGroup = groups[g];
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if (columnGroup.startColumnIndex == c) {
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foundGroup = true;
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break;
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}
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}
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var td = tr.insertCell(tr.cells.length);
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if (foundGroup) {
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td.setAttribute("colspan", columnGroup.columnSpan);
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td.style.background = "blue";
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if (columnGroup.keyColumnIndex >= 0) {
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keys.push(columnGroup.keyColumnIndex);
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}
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c += (columnGroup.columnSpan - 1);
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if ("subgroups" in columnGroup) {
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nextLayer = nextLayer.concat(columnGroup.subgroups);
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}
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}
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}
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}
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renderColumnKeys(keys);
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if (nextLayer.length > 0) {
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renderColumnGroups(nextLayer, []);
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}
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};
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if (columnGroups.length > 0) {
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renderColumnGroups(
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columnGroups,
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[ theProject.columnModel.keyCellIndex ]
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);
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}
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/*------------------------------------------------------------
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* Column Headers with Menus
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*------------------------------------------------------------
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*/
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var trHead = table.insertRow(table.rows.length);
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DOM.bind(
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$(trHead.insertCell(trHead.cells.length))
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.attr("colspan", "2")
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.addClass("column-header")
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.html(
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'<table class="column-header-layout"><tr><td> </td>' +
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'<td width="1%">' +
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'<a class="column-header-menu" bind="dropdownMenu"> </a>' +
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'</td>' +
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'</tr></table>'
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)
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).dropdownMenu.click(function() {
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self._createMenuForAllColumns(this);
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});
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var createColumnHeader = function(column, index) {
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var td = trHead.insertCell(trHead.cells.length);
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$(td).addClass("column-header");
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if (column.name in self._collapsedColumnNames) {
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$(td).html(" ").attr("title", column.name).click(function(evt) {
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delete self._collapsedColumnNames[column.name]
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self.render();
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});
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} else {
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new DataTableColumnHeaderUI(self, column, index, td);
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}
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};
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for (var i = 0; i < columns.length; i++) {
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createColumnHeader(columns[i], i);
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}
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/*------------------------------------------------------------
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* Data Cells
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*------------------------------------------------------------
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*/
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var rows = theProject.rowModel.rows;
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var renderRow = function(tr, r, row, even) {
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$(tr).empty();
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var cells = row.cells;
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var tdStar = tr.insertCell(tr.cells.length);
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var star = $('<a href="javascript:{}"> </a>')
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.addClass(row.starred ? "data-table-star-on" : "data-table-star-off")
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.appendTo(tdStar)
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.click(function() {
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var newStarred = !row.starred;
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Gridworks.postProcess(
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"annotate-one-row",
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{ row: row.i, starred: newStarred },
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null,
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{},
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{ onDone: function(o) {
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row.starred = newStarred;
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renderRow(tr, r, row, even);
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}
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},
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"json"
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);
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});
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var tdIndex = tr.insertCell(tr.cells.length);
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if ("j" in row) {
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$(tr).addClass("record");
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$('<div></div>').html((row.j + 1) + ".").appendTo(tdIndex);
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} else {
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$('<div></div>').html(" ").appendTo(tdIndex);
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}
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if ("contextual" in row && row.contextual) {
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$(tr).addClass("contextual");
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}
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$(tr).addClass(even ? "even" : "odd");
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for (var i = 0; i < columns.length; i++) {
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var column = columns[i];
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var td = tr.insertCell(tr.cells.length);
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if (column.name in self._collapsedColumnNames) {
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td.innerHTML = " ";
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} else {
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var cell = (column.cellIndex < cells.length) ? cells[column.cellIndex] : null;
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new DataTableCellUI(self, cell, row.i, column.cellIndex, td);
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}
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}
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};
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var even = true;
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for (var r = 0; r < rows.length; r++) {
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var row = rows[r];
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var tr = table.insertRow(table.rows.length);
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if ("j" in row) {
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even = !even;
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}
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renderRow(tr, r, row, even);
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}
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};
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DataTableView.prototype._showRows = function(start, onDone) {
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var self = this;
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Gridworks.fetchRows(start, this._pageSize, function() {
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self.render();
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if (onDone) {
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onDone();
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}
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});
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};
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DataTableView.prototype._onClickPreviousPage = function(elmt, evt) {
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this._showRows(theProject.rowModel.start - this._pageSize);
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};
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DataTableView.prototype._onClickNextPage = function(elmt, evt) {
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this._showRows(theProject.rowModel.start + this._pageSize);
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};
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DataTableView.prototype._onClickFirstPage = function(elmt, evt) {
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this._showRows(0);
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};
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DataTableView.prototype._onClickLastPage = function(elmt, evt) {
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this._showRows(Math.floor(theProject.rowModel.filtered / this._pageSize) * this._pageSize);
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};
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DataTableView.prototype._createMenuForAllColumns = function(elmt) {
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self = this;
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MenuSystem.createAndShowStandardMenu([
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{ label: "Edit",
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submenu: [
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{
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label: "Star Rows",
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click: function() {
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Gridworks.postProcess("annotate-rows", { "starred" : "true" }, null, { rowMetadataChanged: true });
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}
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},
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{
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label: "Unstar Rows",
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click: function() {
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Gridworks.postProcess("annotate-rows", { "starred" : "false" }, null, { rowMetadataChanged: true });
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}
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}
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]
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},
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{ label: "Filter",
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submenu: [
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{
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label: "By Star",
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click: function() {
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ui.browsingEngine.addFacet(
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"list",
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{
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"name" : "Starred Rows",
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"columnName" : "",
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"expression" : "row.starred"
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},
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{
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"scroll" : false
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}
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);
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}
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}
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]
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},
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{ label: "View",
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submenu: [
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{
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label: "Collapse All Columns",
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click: function() {
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for (var i = 0; i < theProject.columnModel.columns.length; i++) {
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self._collapsedColumnNames[theProject.columnModel.columns[i].name] = true;
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}
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self.render();
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}
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},
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{
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label: "Expand All Columns",
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click: function() {
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self._collapsedColumnNames = [];
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self.render();
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}
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}
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]
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}
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], elmt, { width: "80px", horizontal: false });
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};
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DataTableView.sampleVisibleRows = function(column) {
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var rowIndices = [];
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var values = [];
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var rows = theProject.rowModel.rows;
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for (var r = 0; r < rows.length; r++) {
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var row = rows[r];
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rowIndices.push(row.i);
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var v = null;
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if (column.cellIndex < row.cells.length) {
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var cell = row.cells[column.cellIndex];
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if (cell != null) {
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v = cell.v;
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}
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}
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values.push(v);
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}
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return {
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rowIndices: rowIndices,
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values: values
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};
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};
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DataTableView.promptExpressionOnVisibleRows = function(column, title, expression, onDone) {
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var o = DataTableView.sampleVisibleRows(column);
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var self = this;
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new ExpressionPreviewDialog(
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title,
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column.cellIndex,
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o.rowIndices,
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o.values,
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expression,
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onDone
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);
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};
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