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| package org.apache.tapestry.contrib.table.components.inserted; |
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| |
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| import org.apache.tapestry.BaseComponent; |
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| import org.apache.tapestry.IAsset; |
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| import org.apache.tapestry.IRequestCycle; |
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| import org.apache.tapestry.contrib.table.components.TableColumns; |
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| import org.apache.tapestry.contrib.table.model.ITableColumn; |
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| import org.apache.tapestry.contrib.table.model.ITableModel; |
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| import org.apache.tapestry.contrib.table.model.ITableModelSource; |
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| import org.apache.tapestry.contrib.table.model.ITableRendererListener; |
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| import org.apache.tapestry.contrib.table.model.ITableSortingState; |
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| import org.apache.tapestry.contrib.table.model.simple.SimpleTableColumn; |
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| import org.apache.tapestry.event.PageDetachListener; |
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| import org.apache.tapestry.event.PageEvent; |
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| import org.apache.tapestry.util.ComponentAddress; |
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| public abstract class SimpleTableColumnComponent |
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| extends BaseComponent |
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| implements ITableRendererListener, PageDetachListener |
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| { |
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| |
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| private ITableColumn m_objColumn; |
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| private ITableModelSource m_objModelSource; |
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| public SimpleTableColumnComponent()
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| { |
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| init();
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| } |
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| public void pageDetached(PageEvent arg0)
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| { |
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| init();
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| } |
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| |
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| private void init()
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| { |
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| m_objColumn = null;
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| m_objModelSource = null;
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| } |
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| public void initializeRenderer(
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| IRequestCycle objCycle, |
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| ITableModelSource objSource, |
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| ITableColumn objColumn, |
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| Object objRow) |
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| { |
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| m_objModelSource = objSource;
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| m_objColumn = objColumn;
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| } |
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| |
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| public ITableModel getTableModel()
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| { |
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| return m_objModelSource.getTableModel();
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| } |
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| |
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| public boolean getColumnSorted()
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| { |
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| return m_objColumn.getSortable();
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| } |
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| public String getDisplayName()
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| { |
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| if (m_objColumn instanceof SimpleTableColumn) {
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| SimpleTableColumn objSimpleColumn = (SimpleTableColumn) m_objColumn;
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| return objSimpleColumn.getDisplayName();
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| } |
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| return m_objColumn.getColumnName();
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| } |
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| |
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| public boolean getIsSorted()
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| { |
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| ITableSortingState objSortingState = getTableModel().getSortingState();
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| String strSortColumn = objSortingState.getSortColumn();
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| return m_objColumn.getColumnName().equals(strSortColumn);
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| } |
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| |
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| public IAsset getSortImage()
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| { |
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| IAsset objImageAsset;
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| IRequestCycle objCycle = getPage().getRequestCycle();
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| ITableSortingState objSortingState = getTableModel().getSortingState();
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| if (objSortingState.getSortOrder()
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| == ITableSortingState.SORT_ASCENDING) |
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| { |
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| objImageAsset =
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| (IAsset) objCycle.getAttribute( |
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| TableColumns.TABLE_COLUMN_ARROW_UP_ATTRIBUTE); |
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| if (objImageAsset == null)
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| objImageAsset = getAsset("sortUp");
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| } |
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| else |
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| { |
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| objImageAsset =
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| (IAsset) objCycle.getAttribute( |
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| TableColumns.TABLE_COLUMN_ARROW_DOWN_ATTRIBUTE); |
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| if (objImageAsset == null)
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| objImageAsset = getAsset("sortDown");
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| } |
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| return objImageAsset;
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| } |
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| |
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| public Object[] getColumnSelectedParameters()
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| { |
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| return new Object[] {
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| new ComponentAddress(m_objModelSource), |
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| m_objColumn.getColumnName()}; |
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| } |
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| |
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| public void columnSelected(IRequestCycle objCycle)
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| { |
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| Object[] arrArgs = objCycle.getListenerParameters();
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| ComponentAddress objAddr = (ComponentAddress) arrArgs[0];
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| String strColumnName = (String) arrArgs[1];
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| ITableModelSource objSource =
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| (ITableModelSource) objAddr.findComponent(objCycle); |
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| ITableModel objModel = objSource.getTableModel();
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| |
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| ITableSortingState objState = objModel.getSortingState();
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| if (strColumnName.equals(objState.getSortColumn()))
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| objState.setSortColumn(strColumnName, !objState.getSortOrder());
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| else |
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| objState.setSortColumn(
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| strColumnName, |
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| ITableSortingState.SORT_ASCENDING); |
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| objSource.fireObservedStateChange();
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| } |
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| |
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| } |