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<!DOCTYPE html>
<!--
Copyright (c) 2016 The Chromium Authors. All rights reserved.
Use of this source code is governed by a BSD-style license that can be
found in the LICENSE file.
-->
<link rel="import" href="/tracing/ui/base/table.html">
<polymer-element name="tr-ui-b-grouping-table">
<template>
<style>
:host {
display: flex;
}
#table {
flex: 1 1 auto;
}
</style>
<tr-ui-b-table id="table"></tr-ui-b-table>
</template>
</polymer-element>
<script>
'use strict';
tr.exportTo('tr.ui.b', function() {
function Row(title, data, groupingKeyFuncs, rowStatsConstructor) {
this.title = title;
this.data_ = data;
if (groupingKeyFuncs === undefined)
groupingKeyFuncs = [];
this.groupingKeyFuncs_ = groupingKeyFuncs;
this.rowStatsConstructor_ = rowStatsConstructor;
this.subRowsBuilt_ = false;
this.subRows_ = undefined;
this.rowStats_ = undefined;
}
Row.prototype = {
getCurrentGroupingKeyFunc_: function() {
if (this.groupingKeyFuncs_.length === 0)
return undefined;
return this.groupingKeyFuncs_[0];
},
get data() {
return this.data_;
},
get rowStats() {
if (this.rowStats_ === undefined) {
this.rowStats_ = new this.rowStatsConstructor_(this);
}
return this.rowStats_;
},
rebuildSubRowsIfNeeded_: function() {
if (this.subRowsBuilt_)
return;
this.subRowsBuilt_ = true;
var groupingKeyFunc = this.getCurrentGroupingKeyFunc_();
if (groupingKeyFunc === undefined) {
this.subRows_ = undefined;
return;
}
var dataByKey = {};
var hasValues = false;
this.data_.forEach(function(datum) {
var key = groupingKeyFunc(datum);
hasValues = hasValues || (key !== undefined);
if (dataByKey[key] === undefined)
dataByKey[key] = [];
dataByKey[key].push(datum);
});
if (!hasValues) {
this.subRows_ = undefined;
return;
}
this.subRows_ = [];
for (var key in dataByKey) {
var row = new Row(key,
dataByKey[key],
this.groupingKeyFuncs_.slice(1),
this.rowStatsConstructor_);
this.subRows_.push(row);
}
},
get isExpanded() {
return (this.subRows &&
(this.subRows.length > 0) &&
(this.subRows.length < 5));
},
get subRows() {
this.rebuildSubRowsIfNeeded_();
return this.subRows_;
}
};
Polymer('tr-ui-b-grouping-table', {
created: function() {
this.dataToGroup_ = undefined;
this.groupBy_ = undefined;
this.rowStatsConstructor_ = undefined;
},
get tableColumns() {
return this.$.table.tableColumns;
},
set tableColumns(tableColumns) {
this.$.table.tableColumns = tableColumns;
},
get tableRows() {
return this.$.table.tableRows;
},
get sortColumnIndex() {
return this.$.table.sortColumnIndex;
},
set sortColumnIndex(sortColumnIndex) {
this.$.table.sortColumnIndex = sortColumnIndex;
},
get sortDescending() {
return this.$.table.sortDescending;
},
set sortDescending(sortDescending) {
this.$.table.sortDescending = sortDescending;
},
get selectionMode() {
return this.$.table.selectionMode;
},
set selectionMode(selectionMode) {
this.$.table.selectionMode = selectionMode;
},
get rowHighlightStyle() {
return this.$.table.rowHighlightStyle;
},
set rowHighlightStyle(rowHighlightStyle) {
this.$.table.rowHighlightStyle = rowHighlightStyle;
},
get cellHighlightStyle() {
return this.$.table.cellHighlightStyle;
},
set cellHighlightStyle(cellHighlightStyle) {
this.$.table.cellHighlightStyle = cellHighlightStyle;
},
get selectedColumnIndex() {
return this.$.table.selectedColumnIndex;
},
set selectedColumnIndex(selectedColumnIndex) {
this.$.table.selectedColumnIndex = selectedColumnIndex;
},
get selectedTableRow() {
return this.$.table.selectedTableRow;
},
set selectedTableRow(selectedTableRow) {
this.$.table.selectedTableRow = selectedTableRow;
},
get groupBy() {
return this.groupBy_;
},
set groupBy(groupBy) {
this.groupBy_ = groupBy;
this.updateContents_();
},
get dataToGroup() {
return this.dataToGroup_;
},
set dataToGroup(dataToGroup) {
this.dataToGroup_ = dataToGroup;
this.updateContents_();
},
get rowStatsConstructor() {
return this.rowStatsConstructor_;
},
set rowStatsConstructor(rowStatsConstructor) {
this.rowStatsConstructor_ = rowStatsConstructor;
this.updateContents_();
},
rebuild: function() {
this.$.table.rebuild();
},
updateContents_: function() {
var groupBy = this.groupBy_ || [];
var dataToGroup = this.dataToGroup_ || [];
var rowStatsConstructor = this.rowStatsConstructor_ || function() {};
var superRow = new Row('', dataToGroup, groupBy,
rowStatsConstructor);
this.$.table.tableRows = superRow.subRows || [];
}
});
return {
};
});
</script>
|
