Package org.objectstyle.wolips.eomodeler.utils

Source Code of org.objectstyle.wolips.eomodeler.utils.TableUtils

/*
* ====================================================================
*
* The ObjectStyle Group Software License, Version 1.0
*
* Copyright (c) 2006 The ObjectStyle Group and individual authors of the
* software. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. The end-user documentation included with the redistribution, if any, must
* include the following acknowlegement: "This product includes software
* developed by the ObjectStyle Group (http://objectstyle.org/)." Alternately,
* this acknowlegement may appear in the software itself, if and wherever such
* third-party acknowlegements normally appear.
*
* 4. The names "ObjectStyle Group" and "Cayenne" must not be used to endorse or
* promote products derived from this software without prior written permission.
* For written permission, please contact andrus@objectstyle.org.
*
* 5. Products derived from this software may not be called "ObjectStyle" nor
* may "ObjectStyle" appear in their names without prior written permission of
* the ObjectStyle Group.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* OBJECTSTYLE GROUP OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many individuals on
* behalf of the ObjectStyle Group. For more information on the ObjectStyle
* Group, please see <http://objectstyle.org/>.
*/
package org.objectstyle.wolips.eomodeler.utils;

import org.eclipse.jface.viewers.CellEditor;
import org.eclipse.jface.viewers.IStructuredContentProvider;
import org.eclipse.jface.viewers.ITableLabelProvider;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.viewers.ViewerSorter;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Table;
import org.eclipse.swt.widgets.TableColumn;
import org.objectstyle.wolips.baseforuiplugins.utils.WOTableViewer;
import org.objectstyle.wolips.eomodeler.Activator;
import org.objectstyle.wolips.eomodeler.Messages;

public class TableUtils {
  public static TableViewer createTableViewer(Composite parent, String messagePrefix, String tableName, IStructuredContentProvider contentProvider, ITableLabelProvider labelProvider, ViewerSorter sorter) {
    return TableUtils.createTableViewer(parent, SWT.FULL_SELECTION, messagePrefix, tableName, contentProvider, labelProvider, sorter);
  }

  public static WOTableViewer createTableViewer(Composite parent, int style, String messagePrefix, String tableName, IStructuredContentProvider contentProvider, ITableLabelProvider labelProvider, ViewerSorter sorter) {
    return TableUtils.createTableViewer(parent, style, messagePrefix, TableUtils.getColumnsForTableNamed(tableName), contentProvider, labelProvider, sorter);
  }

  public static TableViewer createTableViewer(Composite parent, String messagePrefix, String[] columns, IStructuredContentProvider contentProvider, ITableLabelProvider labelProvider, ViewerSorter sorter) {
    return TableUtils.createTableViewer(parent, SWT.FULL_SELECTION, messagePrefix, columns, contentProvider, labelProvider, sorter);
  }

  public static WOTableViewer createTableViewer(Composite parent, int style, String messagePrefix, String[] columns, IStructuredContentProvider contentProvider, ITableLabelProvider labelProvider, ViewerSorter sorter) {
    WOTableViewer tableViewer = new WOTableViewer(parent, style);
    tableViewer.setColumnProperties(columns);
    if (contentProvider != null) {
      tableViewer.setContentProvider(contentProvider);
    }
    if (labelProvider != null) {
      tableViewer.setLabelProvider(labelProvider);
    }
    if (sorter != null) {
      tableViewer.setSorter(sorter);
    }
    Table table = tableViewer.getTable();
    table.setHeaderVisible(true);
    table.setLinesVisible(true);
    TableUtils.createTableColumns(tableViewer, messagePrefix, columns, (sorter instanceof TablePropertyViewerSorter));
    return tableViewer;
  }

  public static void packTableColumns(TableViewer viewer) {
    Table table = viewer.getTable();
    int columnCount = table.getColumnCount();
    for (int columnNum = 0; columnNum < columnCount; columnNum++) {
      TableColumn column = table.getColumn(columnNum);
      int originalWidth = column.getWidth();
      column.pack();
      int newWidth = column.getWidth();
      if (newWidth < originalWidth) {
        column.setWidth(originalWidth);
      }
    }
  }

  public static CellEditor getCellEditor(TableViewer tableViewer, String tableName, String propertyName) {
    CellEditor cellEditor = null;
    int columnNumber = TableUtils.getColumnNumberForTablePropertyNamed(tableName, propertyName);
    if (columnNumber != -1) {
      cellEditor = tableViewer.getCellEditors()[columnNumber];
    }
    return cellEditor;
  }
 
  public static void setCellEditor(String tableName, String propertyName, CellEditor cellEditor, CellEditor[] cellEditors) {
    int columnNumber = TableUtils.getColumnNumberForTablePropertyNamed(tableName, propertyName);
    if (columnNumber == -1) {
      cellEditor.dispose();
    }
    else {
      cellEditors[columnNumber] = cellEditor;
    }
  }
 
  public static void createTableColumns(TableViewer viewer, String messagePrefix, String[] properties, boolean addSortHandler) {
    for (int columnNum = 0; columnNum < properties.length; columnNum++) {
      TableUtils.createTableColumn(viewer, messagePrefix, properties[columnNum], addSortHandler);
    }
  }

  public static TableColumn createTableColumn(TableViewer viewer, String messagePrefix, String propertyName, boolean addSortHandler) {
    TableColumn column = new TableColumn(viewer.getTable(), SWT.LEFT);
    column.setMoveable(true);
    String text;
    if (messagePrefix == null) {
      text = propertyName;
    } else {
      text = Messages.getString(messagePrefix + "." + propertyName);
    }
    column.setText(text);
    if (addSortHandler) {
      column.addSelectionListener(new TableSortHandler(viewer, propertyName));
    }
    return column;
  }

  public static String getPreferenceNameForTableNamed(String tableName) {
    return "EntityModeler." + tableName + ".columns";
  }
 
  public static void setColumnsForTableNamed(String tableName, String[] properties, boolean defaults) {
    StringBuffer columnsBuf = new StringBuffer();
    for (String property : properties) {
      columnsBuf.append(property);
      columnsBuf.append(",");
    }
    if (columnsBuf.length() > 0) {
      columnsBuf.setLength(columnsBuf.length() - 1);
    }
    String columnsStr = columnsBuf.toString();
    if (defaults) {
      Activator.getDefault().getPreferenceStore().setDefault(TableUtils.getPreferenceNameForTableNamed(tableName), columnsStr);
    } else {
      Activator.getDefault().getPreferenceStore().setValue(TableUtils.getPreferenceNameForTableNamed(tableName), columnsStr);
    }
  }

  public static String[] getColumnsForTableNamed(String tableName) {
    String columnsStr = Activator.getDefault().getPreferenceStore().getString(TableUtils.getPreferenceNameForTableNamed(tableName));
    String[] columns = columnsStr.split(",");
    return columns;
  }

  public static int getColumnNumberForTablePropertyNamed(String tableName, String property) {
    return TableUtils._getColumnNumber(TableUtils.getColumnsForTableNamed(tableName), property);
  }

  public static int _getColumnNumber(String[] properties, String property) {
    int matchingColumnIndex = -1;
    for (int columnNum = 0; columnNum < properties.length; columnNum++) {
      if (properties[columnNum].equals(property)) {
        matchingColumnIndex = columnNum;
      }
    }
    return matchingColumnIndex;
  }

  public static void sort(TableViewer tableViewer, String propertyName) {
    TablePropertyViewerSorter sorter = (TablePropertyViewerSorter) tableViewer.getSorter();
    if (sorter != null) {
      sorter.sort(tableViewer, propertyName);
    }
  }
 
  public static TableColumn getColumn(TableViewer tableViewer, String tableName, String propertyName) {
    Table table = tableViewer.getTable();
    int columnNumber = TableUtils.getColumnNumberForTablePropertyNamed(tableName, propertyName);
    TableColumn column = null;
    if (columnNumber != -1) {
      column = table.getColumn(columnNumber);
    }
    return column;
  }
}
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