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| package org.apache.tapestry.contrib.table.model.simple; |
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| import java.io.Serializable; |
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| import java.util.Comparator; |
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| import org.apache.tapestry.IComponent; |
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| import org.apache.tapestry.contrib.table.model.ITableRendererSource; |
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| import org.apache.tapestry.contrib.table.model.common.AbstractTableColumn; |
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| public class SimpleTableColumn extends AbstractTableColumn |
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| { |
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| private static final long serialVersionUID = 1L; |
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| public static final ITableRendererSource DEFAULT_COLUMN_RENDERER_SOURCE = new SimpleTableColumnRendererSource(); |
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| public static final ITableRendererSource FORM_COLUMN_RENDERER_SOURCE = new SimpleTableColumnFormRendererSource(); |
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| public static final ITableRendererSource DEFAULT_VALUE_RENDERER_SOURCE = new SimpleTableValueRendererSource(); |
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| private String m_strDisplayName; |
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| private ITableColumnEvaluator m_objEvaluator; |
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| public SimpleTableColumn(String strColumnName)
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| { |
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| this(strColumnName, strColumnName);
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| } |
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| public SimpleTableColumn(String strColumnName, boolean bSortable)
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| { |
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| this(strColumnName, strColumnName, bSortable);
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| } |
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| public SimpleTableColumn(String strColumnName, ITableColumnEvaluator objEvaluator,
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| boolean bSortable) |
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| { |
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| this(strColumnName, strColumnName, objEvaluator, bSortable);
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| } |
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| public SimpleTableColumn(String strColumnName, String strDisplayName)
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| { |
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| this(strColumnName, strDisplayName, false);
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| } |
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| public SimpleTableColumn(String strColumnName, String strDisplayName, boolean bSortable)
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| { |
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| this(strColumnName, strDisplayName, null, bSortable);
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| } |
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| public SimpleTableColumn(String strColumnName, String strDisplayName,
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| ITableColumnEvaluator objEvaluator, boolean bSortable) |
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| { |
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| super(strColumnName, bSortable, null);
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| setComparator(new DefaultTableComparator());
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| setDisplayName(strDisplayName);
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| setColumnRendererSource(DEFAULT_COLUMN_RENDERER_SOURCE);
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| setValueRendererSource(DEFAULT_VALUE_RENDERER_SOURCE);
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| setEvaluator(objEvaluator);
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| } |
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| public String getDisplayName()
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| return m_strDisplayName;
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| } |
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| public void setDisplayName(String displayName)
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| { |
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| m_strDisplayName = displayName;
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| } |
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| public ITableColumnEvaluator getEvaluator()
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| { |
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| return m_objEvaluator;
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| } |
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| public void setEvaluator(ITableColumnEvaluator evaluator)
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| { |
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| m_objEvaluator = evaluator;
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| } |
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| public void setColumnComparator(Comparator comparator)
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| { |
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| setComparator(new ColumnComparator(this, comparator));
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| } |
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| public Object getColumnValue(Object objRow)
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| { |
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| ITableColumnEvaluator objEvaluator = getEvaluator();
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| if (objEvaluator != null)
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| return objEvaluator.getColumnValue(this, objRow);
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| return objRow.toString();
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| } |
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| public void loadSettings(IComponent objSettingsContainer)
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| { |
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| String strDisplayName = objSettingsContainer.getMessages().getMessage(getColumnName());
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| if (!strDisplayName.startsWith("["))
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| setDisplayName(strDisplayName);
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| super.loadSettings(objSettingsContainer);
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| } |
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| public class DefaultTableComparator implements Comparator, Serializable |
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| { |
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| private static final long serialVersionUID = 1L; |
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| public int compare(Object objRow1, Object objRow2)
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| { |
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| Object objValue1 = getColumnValue(objRow1);
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| Object objValue2 = getColumnValue(objRow2);
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| if (objValue1 == objValue2)
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| return 0;
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| boolean bComparable1 = objValue1 instanceof Comparable;
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| boolean bComparable2 = objValue2 instanceof Comparable;
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| if (!bComparable1 && !bComparable2)
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| return 0;
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| if (!bComparable1)
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| return -1;
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| if (!bComparable2)
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| return 1;
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| return ((Comparable) objValue1).compareTo(objValue2);
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| } |
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| } |
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| } |