Support all modes: sticky row+column, sticky row, sticky column, sticky nothing
parent
afedd70edd
commit
89084fa045
10
treegrid.css
10
treegrid.css
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@ -159,6 +159,16 @@ table.grid .celleditor input
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z-index: 1;
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}
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.grid-no-sticky-col .grid-body-wrapper
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{
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padding-left: 0;
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}
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.grid-no-sticky-col .grid-fixed-row-wrapper
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{
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padding-left: 0;
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}
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.grid-fixed-cell
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{
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position: absolute;
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325
treegrid.js
325
treegrid.js
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@ -1,11 +1,12 @@
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/**
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* Very simple and fast tree grid/table, with support for:
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* - fixed header and column
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* - sticky(fixed) row
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* - sticky(fixed) column
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* - virtual scrolling
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* - dynamic loading of child nodes
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*
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* License: MPL 2.0+, (c) Vitaliy Filippov 2016+
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* Version: 2017-07-06
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* Version: 2017-07-07
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*/
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/**
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@ -81,6 +82,7 @@
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*/
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function TreeGrid(options)
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{
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var self = this;
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this.renderer = options.renderer;
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this.bindProps = { 'style': 1, 'className': 1, 'title': 1, 'innerHTML': 1 };
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if (options.bind)
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@ -95,58 +97,72 @@ function TreeGrid(options)
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this.table.appendChild(this.thead);
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this.table.appendChild(this.tbody);
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this.thead.appendChild(document.createElement('tr'));
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var self = this;
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if (options.stickyHeaders)
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this.wrapper = document.createElement('div');
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this.stickyRow = options.stickyHeaders||options.stickyRow;
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this.stickyColumn = options.stickyHeaders||options.stickyColumn;
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this.minItemHeight = 21;
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if (this.stickyRow || this.stickyColumn)
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{
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this.stickyHeaders = true;
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this.minItemHeight = 24;
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this.toSync = [];
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this.wrapper = document.createElement('div');
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// table for fixed cell
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this.fixedCell = document.createElement('table');
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this.fixedCell.className = 'grid grid-fixed-cell';
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this.fixedCell.appendChild(document.createElement('thead'));
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this.fixedCell.firstChild.appendChild(document.createElement('tr'));
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this.wrapper.appendChild(this.fixedCell);
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// table for fixed row
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this.fixedRow = document.createElement('table');
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this.fixedRow.className = 'grid grid-fixed-row';
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this.fixedRow.appendChild(this.thead);
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this.table.insertBefore(document.createElement('thead'), this.tbody);
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this.sizeRow = document.createElement('tr');
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this.table.firstChild.appendChild(this.sizeRow);
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this.fixedRowWrapper = document.createElement('div');
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this.fixedRowWrapper.className = 'grid-fixed-row-wrapper';
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this.fixedRowWrapper.appendChild(this.fixedRow);
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this.wrapper.appendChild(this.fixedRowWrapper);
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// table for fixed column
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this.fixedCol = document.createElement('table');
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this.fixedCol.className = 'grid grid-fixed-col';
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this.fixedColBody = document.createElement('tbody');
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this.fixedCol.appendChild(this.fixedColBody);
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this.fixedColWrapper = document.createElement('div');
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this.fixedColWrapper.className = 'grid-fixed-col-wrapper';
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this.fixedColSizer = document.createElement('div');
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this.fixedColSizer.className = 'grid-fixed-col-sizer';
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this.fixedColWrapper.appendChild(this.fixedColSizer);
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this.fixedColWrapper.appendChild(this.fixedCol);
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this.fixedColWrapper2 = document.createElement('div');
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this.fixedColWrapper2.className = 'grid-fixed-col-wrapper2';
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this.fixedColWrapper2.appendChild(this.fixedColWrapper);
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this.wrapper.appendChild(this.fixedColWrapper2);
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// table body wrapper
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this.wrapper.className = 'grid-wrapper';
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this.tableWrapper = document.createElement('div');
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this.tableWrapper.className = 'grid-body-wrapper';
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this.tableSizer = document.createElement('div');
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this.tableSizer.className = 'grid-fixed-col-sizer';
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this.tableWrapper.appendChild(this.tableSizer);
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this.tableWrapper.appendChild(this.table);
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this.wrapper.appendChild(this.tableWrapper);
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// sticky column width
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this.stickyBorderWidth = options.stickyBorderWidth || 1;
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if (options.stickyColumnWidth)
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this.setStickyColumnWidth(options.stickyColumnWidth);
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if (this.stickyRow && this.stickyColumn)
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{
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// table for fixed cell
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this.fixedCell = document.createElement('table');
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this.fixedCell.className = 'grid grid-fixed-cell';
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this.fixedCell.appendChild(document.createElement('thead'));
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this.fixedCell.firstChild.appendChild(document.createElement('tr'));
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this.wrapper.appendChild(this.fixedCell);
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}
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if (this.stickyRow)
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{
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// table for fixed row
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this.fixedRow = document.createElement('table');
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this.fixedRow.className = 'grid grid-fixed-row';
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this.fixedRow.appendChild(this.thead);
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this.table.insertBefore(document.createElement('thead'), this.tbody);
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this.sizeRow = document.createElement('tr');
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this.table.firstChild.appendChild(this.sizeRow);
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this.fixedRowWrapper = document.createElement('div');
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this.fixedRowWrapper.className = 'grid-fixed-row-wrapper';
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this.fixedRowWrapper.appendChild(this.fixedRow);
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this.wrapper.appendChild(this.fixedRowWrapper);
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}
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if (this.stickyColumn)
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{
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this.toSync = [];
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// table for fixed column
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this.fixedCol = document.createElement('table');
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this.fixedCol.className = 'grid grid-fixed-col';
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if (!this.stickyRow)
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{
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this.fixedColHeader = document.createElement('thead');
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this.fixedColHeader.appendChild(document.createElement('tr'));
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this.fixedCol.append(this.fixedColHeader);
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}
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this.fixedColBody = document.createElement('tbody');
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this.fixedCol.appendChild(this.fixedColBody);
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this.fixedColWrapper = document.createElement('div');
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this.fixedColWrapper.className = 'grid-fixed-col-wrapper';
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this.fixedColSizer = document.createElement('div');
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this.fixedColSizer.className = 'grid-fixed-col-sizer';
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this.fixedColWrapper.appendChild(this.fixedColSizer);
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this.fixedColWrapper.appendChild(this.fixedCol);
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this.fixedColWrapper2 = document.createElement('div');
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this.fixedColWrapper2.className = 'grid-fixed-col-wrapper2';
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this.fixedColWrapper2.appendChild(this.fixedColWrapper);
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this.wrapper.appendChild(this.fixedColWrapper2);
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// sticky column width
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this.stickyBorderWidth = options.stickyBorderWidth || 1;
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addListener(this.fixedColWrapper, 'scroll', function()
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{
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if (self.scrolling != 1)
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{
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self.tableWrapper.scrollTop = self.fixedColWrapper.scrollTop;
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self.scrolling = 2;
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}
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else
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self.scrolling = 0;
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});
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}
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// scroll and resize handlers
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if (!options.noStickyResizeHandler)
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{
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@ -155,33 +171,42 @@ function TreeGrid(options)
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self.syncStickyHeaders(true);
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});
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}
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var syncTimer;
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addListener(this.tableWrapper, 'scroll', function()
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{
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if (self.scrolling != 2)
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{
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self.fixedRowWrapper.scrollLeft = self.tableWrapper.scrollLeft;
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self.fixedColWrapper.scrollTop = self.tableWrapper.scrollTop;
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self.scrolling = 1;
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}
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else
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self.scrolling = 0;
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if (!syncTimer)
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{
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syncTimer = setTimeout(function() { self.syncView(); syncTimer = null; }, 100);
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}
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});
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addListener(this.fixedColWrapper, 'scroll', function()
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{
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if (self.scrolling != 1)
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{
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self.tableWrapper.scrollTop = self.fixedColWrapper.scrollTop;
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self.scrolling = 2;
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}
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else
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self.scrolling = 0;
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});
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}
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addListener(window, 'resize', function()
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{
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self.syncView(true);
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});
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// table body wrapper
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this.wrapper.className = 'grid-wrapper';
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this.tableWrapper = document.createElement('div');
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this.tableWrapper.className = 'grid-body-wrapper';
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this.tableSizer = document.createElement('div');
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this.tableSizer.className = 'grid-fixed-col-sizer';
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this.tableWrapper.appendChild(this.tableSizer);
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this.tableWrapper.appendChild(this.table);
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this.wrapper.appendChild(this.tableWrapper);
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if (!this.stickyColumn)
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{
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this.wrapper.className += ' grid-no-sticky-col';
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}
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var syncTimer;
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addListener(this.tableWrapper, 'scroll', function()
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{
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if (self.scrolling != 2)
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{
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if (self.stickyRow)
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self.fixedRowWrapper.scrollLeft = self.tableWrapper.scrollLeft;
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if (self.stickyColumn)
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self.fixedColWrapper.scrollTop = self.tableWrapper.scrollTop;
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self.scrolling = 1;
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}
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else
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self.scrolling = 0;
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if (!syncTimer)
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{
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syncTimer = setTimeout(function() { self.syncView(); syncTimer = null; }, 100);
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}
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});
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addListener(this.wrapper||this.table, 'mouseover', function(ev) { self.nodeOnHover(true, ev); });
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addListener(this.wrapper||this.table, 'mouseout', function(ev) { self.nodeOnHover(false, ev); });
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this.setHeader(options.header);
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@ -280,7 +305,7 @@ TreeGrid.prototype._renderNodes = function(nodes)
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tr._node = nodes[i];
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nodes[i].tr.push(tr);
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}
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if (this.stickyHeaders)
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if (this.stickyColumn)
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{
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nodes[i].col_tr = [];
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for (var j = 0; j < (nodes[i].rows||1); j++)
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@ -477,7 +502,7 @@ TreeGrid.prototype.syncView = function()
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{
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if (!this.table.offsetParent)
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return;
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var offsetHeight = this.wrapper.offsetHeight - this.thead.offsetHeight;
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var offsetHeight = this.wrapper.offsetHeight - (this.stickyRow ? this.thead.offsetHeight : 0);
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var visibleItems = Math.ceil(offsetHeight/this.minItemHeight);
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var endStart = this.nodeCount - visibleItems;
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if (endStart < 0)
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@ -493,7 +518,8 @@ TreeGrid.prototype.syncView = function()
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var lastFirst = endStart+this._findVisibleNodeOffset(lastNodes, offsetHeight);
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var avgItemHeight = this.endItemHeight / lastNodes.length;
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avgItemHeight = (avgItemHeight < this.minItemHeight ? this.minItemHeight : avgItemHeight);
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this.fixedColSizer.style.height = (this.nodeCount*avgItemHeight)+'px';
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if (this.stickyColumn)
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this.fixedColSizer.style.height = (this.nodeCount*avgItemHeight)+'px';
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this.tableSizer.style.height = (this.nodeCount*avgItemHeight)+'px';
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var scrollPos = this.nodeCount*avgItemHeight > this.tableWrapper.offsetHeight ?
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this.tableWrapper.scrollTop / (this.nodeCount*avgItemHeight - this.tableWrapper.offsetHeight) : 0;
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@ -528,7 +554,7 @@ TreeGrid.prototype.syncView = function()
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}
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this._setPlaceholder('top', this.tableWrapper.scrollTop-firstItemHeight);
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}
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else if (this.stickyHeaders)
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else if (this.stickyColumn)
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{
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this.fixedColSizer.style.height = 0;
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this.tableSizer.style.height = 0;
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@ -536,12 +562,13 @@ TreeGrid.prototype.syncView = function()
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this._finishSync();
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// Then sync row sizes for fixed column to work properly
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var total = 0;
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if (this.stickyHeaders)
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if (this.stickyColumn)
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{
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total = this.syncStickyHeaders(true);
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}
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else
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{
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this.syncStickyRow();
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for (var i = 0; i < this.tbody.rows.length; i++)
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total += (this.tbody.rows[i].offsetHeight||0);
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}
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@ -586,59 +613,66 @@ TreeGrid.prototype.setStickyColumnWidth = function(w)
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w = this.fixedColWrapper2.offsetWidth;
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this.fixedColWrapper.style.width = (w+this.fixedColWrapper.offsetWidth-this.fixedColWrapper.clientWidth)+'px';
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this.tableWrapper.style.paddingLeft = (w-this.stickyBorderWidth)+'px';
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this.fixedRowWrapper.style.paddingLeft = (w-this.stickyBorderWidth)+'px';
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this.fixedCell.style.width = w+'px';
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if (this.stickyRow)
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{
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this.fixedRowWrapper.style.paddingLeft = (w-this.stickyBorderWidth)+'px';
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this.fixedCell.style.width = w+'px';
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}
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}
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TreeGrid.prototype.syncStickyHeaders = function(sync_all)
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{
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if (!this.stickyHeaders || !this.wrapper.offsetParent)
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if (!this.wrapper.offsetParent)
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return 0;
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var total = 0;
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if (this.fixedCol.offsetWidth)
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this.setStickyColumnWidth(this.fixedCol.offsetWidth+'px');
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var h1, h2, h = [];
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if (sync_all)
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if (this.stickyColumn)
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{
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for (var i = 0; i < this.tbody.rows.length; i++)
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if (this.fixedCol.offsetWidth)
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this.setStickyColumnWidth(this.fixedCol.offsetWidth+'px');
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var h1, h2, h = [];
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if (sync_all)
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{
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h1 = this.tbody.rows[i].offsetHeight||0;
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h2 = this.fixedColBody.rows[i].offsetHeight||0;
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h[i] = h1 < h2 ? h2 : h1;
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}
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for (var i = 0; i < this.tbody.rows.length; i++)
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{
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if (h[i] && !this.tbody.rows[i].is_placeholder)
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for (var i = 0; i < this.tbody.rows.length; i++)
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{
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total += h[i];
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this.tbody.rows[i].style.height = h[i]+'px';
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this.fixedColBody.rows[i].style.height = h[i]+'px';
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h1 = this.tbody.rows[i].offsetHeight||0;
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h2 = this.fixedColBody.rows[i].offsetHeight||0;
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h[i] = h1 < h2 ? h2 : h1;
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}
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}
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}
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else
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{
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for (var i = 0; i < this.toSync.length; i++)
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{
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for (var k = 0; k < this.toSync[i].tr.length; k++)
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for (var i = 0; i < this.tbody.rows.length; i++)
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{
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h1 = this.toSync[i].tr[k].offsetHeight;
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h2 = this.toSync[i].col_tr[k].offsetHeight;
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h.push(h1 && h2 && (h1 < h2 ? h2 : h1));
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}
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}
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for (var i = 0, j = 0; i < this.toSync.length; i++)
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{
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for (var k = 0; k < this.toSync[i].tr.length; k++, j++)
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{
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if (h[j])
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if (h[i] && !this.tbody.rows[i].is_placeholder)
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{
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this.toSync[i].tr[k].style.height = h[j]+'px';
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this.toSync[i].col_tr[k].style.height = h[j]+'px';
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total += h[j];
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total += h[i];
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this.tbody.rows[i].style.height = h[i]+'px';
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this.fixedColBody.rows[i].style.height = h[i]+'px';
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}
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}
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}
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else
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{
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for (var i = 0; i < this.toSync.length; i++)
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{
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for (var k = 0; k < this.toSync[i].tr.length; k++)
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{
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h1 = this.toSync[i].tr[k].offsetHeight;
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h2 = this.toSync[i].col_tr[k].offsetHeight;
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h.push(h1 && h2 && (h1 < h2 ? h2 : h1));
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}
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}
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for (var i = 0, j = 0; i < this.toSync.length; i++)
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{
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for (var k = 0; k < this.toSync[i].tr.length; k++, j++)
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{
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if (h[j])
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{
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this.toSync[i].tr[k].style.height = h[j]+'px';
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this.toSync[i].col_tr[k].style.height = h[j]+'px';
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total += h[j];
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}
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}
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}
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}
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this.toSync = [];
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}
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this.syncStickyRow();
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return total;
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@ -646,6 +680,19 @@ TreeGrid.prototype.syncStickyHeaders = function(sync_all)
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TreeGrid.prototype.syncStickyRow = function()
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{
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if (!this.stickyRow)
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{
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if (this.stickyColumn)
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{
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this.fixedColWrapper2.style.bottom = (this.tableWrapper.offsetHeight-this.tableWrapper.clientHeight)+'px';
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var hh = this.thead.offsetHeight;
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if (this.fixedColHeader.rows[0].offsetHeight > hh)
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hh = this.fixedColHeader.rows[0].offsetHeight;
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this.thead.rows[0].style.height = hh+'px';
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this.fixedColHeader.rows[0].style.height = hh+'px';
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}
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return;
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}
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var trh = this.fixedRow.rows[0], w = [];
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for (var i = 0; i < trh.cells.length; i++)
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w[i] = this.sizeRow.cells[i] && this.sizeRow.cells[i].offsetWidth || 0;
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@ -653,32 +700,40 @@ TreeGrid.prototype.syncStickyRow = function()
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for (var i = 0; i < trh.cells.length; i++)
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trh.cells[i].style.width = w[i]+'px';
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this.tableWrapper.style.paddingTop = (this.fixedRow.offsetHeight-this.sizeRow.offsetHeight)+'px';
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this.fixedColWrapper2.style.bottom = (this.tableWrapper.offsetHeight-this.tableWrapper.clientHeight)+'px';
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this.fixedRowWrapper.style.right = (this.tableWrapper.offsetWidth-this.tableWrapper.clientWidth)+'px';
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this.fixedColWrapper.style.paddingTop = this.fixedRow.offsetHeight+'px';
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if (this.fixedCell.rows[0].cells[0])
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||||
this.fixedCell.rows[0].cells[0].style.height = (this.fixedRow.offsetHeight)+'px';
|
||||
if (this.stickyColumn)
|
||||
{
|
||||
this.fixedColWrapper2.style.bottom = (this.tableWrapper.offsetHeight-this.tableWrapper.clientHeight)+'px';
|
||||
this.fixedColWrapper.style.paddingTop = this.fixedRow.offsetHeight+'px';
|
||||
if (this.fixedCell.rows[0].cells[0])
|
||||
this.fixedCell.rows[0].cells[0].style.height = (this.fixedRow.offsetHeight)+'px';
|
||||
}
|
||||
}
|
||||
|
||||
TreeGrid.prototype.setHeader = function(newHeader)
|
||||
{
|
||||
var tr = this.thead.rows[0];
|
||||
tr.innerHTML = '';
|
||||
if (this.stickyHeaders)
|
||||
if (this.stickyRow)
|
||||
{
|
||||
this.sizeRow.innerHTML = '';
|
||||
this.fixedCell.rows[0].innerHTML = '';
|
||||
}
|
||||
if (this.stickyColumn)
|
||||
{
|
||||
(this.fixedCell || this.fixedColHeader).rows[0].innerHTML = '';
|
||||
}
|
||||
for (var i = 0; i < newHeader.length; i++)
|
||||
{
|
||||
var th = document.createElement('th');
|
||||
this._setProps(th, newHeader[i]);
|
||||
if (this.stickyHeaders && i == 0)
|
||||
this.fixedCell.rows[0].appendChild(th);
|
||||
if (this.stickyColumn && i == 0)
|
||||
{
|
||||
(this.fixedCell || this.fixedColHeader).rows[0].appendChild(th);
|
||||
}
|
||||
else
|
||||
{
|
||||
tr.appendChild(th);
|
||||
if (this.stickyHeaders)
|
||||
if (this.stickyRow)
|
||||
this.sizeRow.appendChild(th.cloneNode(true));
|
||||
}
|
||||
}
|
||||
|
|
@ -730,7 +785,7 @@ TreeGrid.prototype._getCellIndex = function(n, sticky)
|
|||
var i = 0, p = n;
|
||||
while ((p = p.previousSibling))
|
||||
i += (p.nodeType != 3 ? 1 : 0);
|
||||
if (sticky && this.stickyHeaders)
|
||||
if (sticky && this.stickyRow)
|
||||
{
|
||||
p = n.parentNode.parentNode.parentNode;
|
||||
if (p == this.table || p == this.fixedRow)
|
||||
|
|
@ -1060,8 +1115,8 @@ TreeGridNode.prototype._hashEqual = function(a, b)
|
|||
|
||||
TreeGridNode.prototype._renderCell = function(rowIndex, colIndex, cell, force)
|
||||
{
|
||||
var tr = (this.grid.stickyHeaders && colIndex == 0 ? this.col_tr : this.tr)[rowIndex];
|
||||
var ri = (this.grid.stickyHeaders && colIndex > 0 ? colIndex-1 : 0);
|
||||
var tr = (this.grid.stickyColumn && colIndex == 0 ? this.col_tr : this.tr)[rowIndex];
|
||||
var ri = this.grid.stickyColumn ? (colIndex > 0 ? colIndex-1 : 0) : colIndex;
|
||||
while (!tr.cells[ri])
|
||||
tr.appendChild(document.createElement('td'));
|
||||
// virtualDOM-like approach: compare old HTML properties
|
||||
|
|
@ -1133,7 +1188,7 @@ TreeGridNode.prototype.render = function(colidx, rowidx, force, skipSync)
|
|||
modified = this._renderCell(i, j, cells[i] && cells[i][j], force) || modified;
|
||||
this._oldCells = cells;
|
||||
}
|
||||
if (modified && this.grid.stickyHeaders && skipSync !== 2)
|
||||
if (modified && this.grid.stickyColumn && skipSync !== 2)
|
||||
{
|
||||
this.grid.toSync.push(this);
|
||||
if (!skipSync)
|
||||
|
|
|
|||
Loading…
Reference in New Issue