StackOverflow2013

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2013-06-03T11:16:37.200
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2013-06-03T11:16:37.200
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<p>In addition to what Thomas said you can look into <a href="https://github.com/gwtbootstrap/gwt-bootstrap" rel="nofollow">gwt-bootstrap</a>. They have a custom <a href="http://gwtbootstrap.github.io/gwt-bootstrap/apidocs/com/github/gwtbootstrap/client/ui/DataGrid.html" rel="nofollow">DataGrid</a> widget that can be shown or hidden based on breakpoints (tablets, phones, etc).<br> If you actually want to hide and show columns based on available size you extend the <code>DataGrid</code> and do something along this lines:</p> <pre><code>ResponsiveDataGrid extends DataGrid<myDTO> { private final Column<myDTO,String> column1; private final Column<myDTO,String> column2; private Boolean isCompact; public ResponsiveDataGrid(int pageSize, Resources resources,ActionCell.Delegate<myDTO> actionDelegate) { super(pageSize, resources,new EntityProxyKeyProvider<myDTO>()); initColumns(); } private void initColumns() { // init your columns } private void updateColumns() { int columnCount = getColumnCount(); for (int i =columnCount-1;i>=0;i--) { removeColumn(i); } removeUnusedColGroups(); if (isCompact) { // show columns for compact size } else { // show all columns } } @Override protected int getRealColumnCount() { return getColumnCount(); } // WORKAROUND for some sizing issues in DataGrid private void removeUnusedColGroups() { int columnCount = getColumnCount(); NodeList<Element> colGroups = getElement().getElementsByTagName("colgroup"); for (int i = 0; i < colGroups.getLength(); i++) { Element colGroupEle = colGroups.getItem(i); NodeList<Element> colList = colGroupEle.getElementsByTagName("col"); for (int j = colList.getLength()-1;j>=0; j--) { colGroupEle.removeChild(colList.getItem(j)); } } } @Override public void onResize() { super.onResize(); if (!isAttached()) { return; } // or whatever breakpoint you want to support boolean isNewCompact = (getOffsetWidth() < 800); if (isCompact == null || isNewCompact != isCompact) { isCompact = isNewCompact; updateColumns(); } } } </code></pre>
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1. POGWT Responsive Design solution
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1. USÜmit
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1. COthanks umit for code.
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A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.