function DataTableView(div) {
this._div = div;
this._pageSize = 20;
this._showRecon = true;
this._collapsedColumnNames = {};
this._showRows(0);
}
DataTableView.prototype.resize = function() {
var topHeight = this._div.find(".viewPanel-header").outerHeight(true);
this._div.find(".data-table-container")
.css("height", (this._div.innerHeight() - topHeight - 1) + "px")
.css("display", "block");
};
DataTableView.prototype.update = function(onDone) {
this._showRows(0, onDone);
};
DataTableView.prototype.render = function() {
var self = this;
var oldTableDiv = this._div.find(".data-table-container");
var scrollLeft = (oldTableDiv.length > 0) ? oldTableDiv[0].scrollLeft : 0;
var html = $(
'
' +
''
);
var elmts = DOM.bind(html);
this._renderSummaryText(elmts.summary);
this._renderPagingControls(elmts.pageSizeControls, elmts.pagingControls);
this._renderDataTable(elmts.table[0]);
this._div.empty().append(html);
this.resize();
elmts.dataTableContainer[0].scrollLeft = scrollLeft;
};
DataTableView.prototype._renderSummaryText = function(elmt) {
var summaryText;
var from = (theProject.rowModel.start + 1);
var to = Math.min(theProject.rowModel.filtered, theProject.rowModel.start + theProject.rowModel.limit);
if (theProject.rowModel.filtered == theProject.rowModel.total) {
summaryText = from + ' to ' + to + ' of ' + (theProject.rowModel.total) + ' rows';
} else {
summaryText = from + ' to ' + to + ' of ' +
(theProject.rowModel.filtered) + ' matching rows (' + (theProject.rowModel.total) + ' total)';
}
$('').html(summaryText).appendTo(elmt);
};
DataTableView.prototype._renderPagingControls = function(pageSizeControls, pagingControls) {
var self = this;
var firstPage = $('« first').appendTo(pagingControls);
var previousPage = $('« previous').appendTo(pagingControls);
if (theProject.rowModel.start > 0) {
firstPage.addClass("action").click(function(evt) { self._onClickFirstPage(this, evt); });
previousPage.addClass("action").click(function(evt) { self._onClickPreviousPage(this, evt); });
} else {
firstPage.addClass("inaction");
previousPage.addClass("inaction");
}
$(' • ').appendTo(pagingControls);
var nextPage = $('next page »').appendTo(pagingControls);
var lastPage = $('last »').appendTo(pagingControls);
if (theProject.rowModel.start + theProject.rowModel.limit < theProject.rowModel.filtered) {
nextPage.addClass("action").click(function(evt) { self._onClickNextPage(this, evt); });
lastPage.addClass("action").click(function(evt) { self._onClickLastPage(this, evt); });
} else {
nextPage.addClass("inaction");
lastPage.addClass("inaction");
}
$('Show ').appendTo(pageSizeControls);
var sizes = [ 10, 20, 25, 50 ];
var renderPageSize = function(index) {
var pageSize = sizes[index];
var a = $('')
.addClass("viewPanel-pagingControls-page")
.appendTo(pageSizeControls);
if (pageSize == self._pageSize) {
a.text(pageSize).addClass("inaction");
} else {
a.text(pageSize).addClass("action").click(function(evt) {
self._pageSize = pageSize;
self.update();
});
}
};
for (var i = 0; i < sizes.length; i++) {
renderPageSize(i);
}
$(' rows').appendTo(pageSizeControls);
};
DataTableView.prototype._renderDataTable = function(table) {
var self = this;
var columns = theProject.columnModel.columns;
var columnGroups = theProject.columnModel.columnGroups;
/*------------------------------------------------------------
* Column Group Headers
*------------------------------------------------------------
*/
var renderColumnKeys = function(keys) {
if (keys.length > 0) {
var tr = table.insertRow(table.rows.length);
tr.insertCell(0); // star
tr.insertCell(1); // row index
for (var c = 0; c < columns.length; c++) {
var td = tr.insertCell(tr.cells.length);
for (var k = 0; k < keys.length; k++) {
if (c == keys[k]) {
$('
').attr("src", "images/down-arrow.png").appendTo(td);
break;
}
}
}
}
};
var renderColumnGroups = function(groups, keys) {
var nextLayer = [];
if (groups.length > 0) {
var tr = table.insertRow(table.rows.length);
tr.insertCell(0); // star
tr.insertCell(1); // row index
for (var c = 0; c < columns.length; c++) {
var foundGroup = false;
var columnGroup;
for (var g = 0; g < groups.length; g++) {
columnGroup = groups[g];
if (columnGroup.startColumnIndex == c) {
foundGroup = true;
break;
}
}
var td = tr.insertCell(tr.cells.length);
if (foundGroup) {
td.setAttribute("colspan", columnGroup.columnSpan);
td.style.background = "blue";
if (columnGroup.keyColumnIndex >= 0) {
keys.push(columnGroup.keyColumnIndex);
}
c += (columnGroup.columnSpan - 1);
if ("subgroups" in columnGroup) {
nextLayer = nextLayer.concat(columnGroup.subgroups);
}
}
}
}
renderColumnKeys(keys);
if (nextLayer.length > 0) {
renderColumnGroups(nextLayer, []);
}
};
if (columnGroups.length > 0) {
renderColumnGroups(
columnGroups,
[ theProject.columnModel.keyCellIndex ]
);
}
/*------------------------------------------------------------
* Column Headers with Menus
*------------------------------------------------------------
*/
var trHead = table.insertRow(table.rows.length);
DOM.bind(
$(trHead.insertCell(trHead.cells.length))
.attr("colspan", "2")
.addClass("column-header")
.html(
'' +
'' +
' ' +
' | ' +
' | ' +
'
'
)
).dropdownMenu.click(function() {
self._createMenuForAllColumns(this);
});
var createColumnHeader = function(column, index) {
var td = trHead.insertCell(trHead.cells.length);
$(td).addClass("column-header");
if (column.name in self._collapsedColumnNames) {
$(td).html(" ").attr("title", column.name).click(function(evt) {
delete self._collapsedColumnNames[column.name];
self.render();
});
} else {
new DataTableColumnHeaderUI(self, column, index, td);
}
};
for (var i = 0; i < columns.length; i++) {
createColumnHeader(columns[i], i);
}
/*------------------------------------------------------------
* Data Cells
*------------------------------------------------------------
*/
var rows = theProject.rowModel.rows;
var renderRow = function(tr, r, row, even) {
$(tr).empty();
var cells = row.cells;
var tdStar = tr.insertCell(tr.cells.length);
var star = $(' ')
.addClass(row.starred ? "data-table-star-on" : "data-table-star-off")
.appendTo(tdStar)
.click(function() {
var newStarred = !row.starred;
Gridworks.postProcess(
"annotate-one-row",
{ row: row.i, starred: newStarred },
null,
{},
{ onDone: function(o) {
row.starred = newStarred;
renderRow(tr, r, row, even);
}
},
"json"
);
});
var tdIndex = tr.insertCell(tr.cells.length);
if ("j" in row) {
$(tr).addClass("record");
$('').html((row.j + 1) + ".").appendTo(tdIndex);
} else {
$('').html(" ").appendTo(tdIndex);
}
if ("contextual" in row && row.contextual) {
$(tr).addClass("contextual");
}
$(tr).addClass(even ? "even" : "odd");
for (var i = 0; i < columns.length; i++) {
var column = columns[i];
var td = tr.insertCell(tr.cells.length);
if (column.name in self._collapsedColumnNames) {
td.innerHTML = " ";
} else {
var cell = (column.cellIndex < cells.length) ? cells[column.cellIndex] : null;
new DataTableCellUI(self, cell, row.i, column.cellIndex, td);
}
}
};
var even = true;
for (var r = 0; r < rows.length; r++) {
var row = rows[r];
var tr = table.insertRow(table.rows.length);
if ("j" in row) {
even = !even;
}
renderRow(tr, r, row, even);
}
};
DataTableView.prototype._showRows = function(start, onDone) {
var self = this;
Gridworks.fetchRows(start, this._pageSize, function() {
self.render();
if (onDone) {
onDone();
}
});
};
DataTableView.prototype._onClickPreviousPage = function(elmt, evt) {
this._showRows(theProject.rowModel.start - this._pageSize);
};
DataTableView.prototype._onClickNextPage = function(elmt, evt) {
this._showRows(theProject.rowModel.start + this._pageSize);
};
DataTableView.prototype._onClickFirstPage = function(elmt, evt) {
this._showRows(0);
};
DataTableView.prototype._onClickLastPage = function(elmt, evt) {
this._showRows(Math.floor(theProject.rowModel.filtered / this._pageSize) * this._pageSize);
};
DataTableView.prototype._createMenuForAllColumns = function(elmt) {
self = this;
MenuSystem.createAndShowStandardMenu([
{ label: "Facet",
submenu: [
{
label: "Facet by Star",
click: function() {
ui.browsingEngine.addFacet(
"list",
{
"name" : "Starred Rows",
"columnName" : "",
"expression" : "row.starred"
},
{
"scroll" : false
}
);
}
}
]
},
{ label: "Edit Rows",
submenu: [
{
label: "Star Rows",
click: function() {
Gridworks.postProcess("annotate-rows", { "starred" : "true" }, null, { rowMetadataChanged: true });
}
},
{
label: "Unstar Rows",
click: function() {
Gridworks.postProcess("annotate-rows", { "starred" : "false" }, null, { rowMetadataChanged: true });
}
},
{},
{
label: "Remove Matching Rows",
click: function() {
Gridworks.postProcess("remove-rows", {}, null, { rowMetadataChanged: true });
}
}
]
},
{ label: "View",
submenu: [
{
label: "Collapse All Columns",
click: function() {
for (var i = 0; i < theProject.columnModel.columns.length; i++) {
self._collapsedColumnNames[theProject.columnModel.columns[i].name] = true;
}
self.render();
}
},
{
label: "Expand All Columns",
click: function() {
self._collapsedColumnNames = [];
self.render();
}
}
]
}
], elmt, { width: "80px", horizontal: false });
};
DataTableView.prototype._updateCell = function(rowIndex, cellIndex, cell) {
var rows = theProject.rowModel.rows;
for (var r = 0; r < rows.length; r++) {
var row = rows[r];
if (row.i === rowIndex) {
while (cellIndex >= row.cells.length) {
row.cells.push(null);
}
row.cells[cellIndex] = cell;
break;
}
}
};
DataTableView.sampleVisibleRows = function(column) {
var rowIndices = [];
var values = [];
var rows = theProject.rowModel.rows;
for (var r = 0; r < rows.length; r++) {
var row = rows[r];
rowIndices.push(row.i);
var v = null;
if (column.cellIndex < row.cells.length) {
var cell = row.cells[column.cellIndex];
if (cell !== null) {
v = cell.v;
}
}
values.push(v);
}
return {
rowIndices: rowIndices,
values: values
};
};
DataTableView.promptExpressionOnVisibleRows = function(column, title, expression, onDone) {
var o = DataTableView.sampleVisibleRows(column);
var self = this;
new ExpressionPreviewDialog(
title,
column.cellIndex,
o.rowIndices,
o.values,
expression,
onDone
);
};