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* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
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*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
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* KIND, either express or implied. See the License for the
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package org.apache.cayenne.modeler.pref;
import java.util.Map;
import java.util.prefs.Preferences;
import javax.swing.JTable;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ListSelectionEvent;
import javax.swing.event.TableColumnModelEvent;
import javax.swing.event.TableColumnModelListener;
import javax.swing.table.TableColumn;
import javax.swing.table.TableColumnModel;
import javax.swing.table.TableModel;
import org.apache.cayenne.modeler.util.CayenneTable;
import org.apache.cayenne.pref.CayennePreference;
public class TableColumnPreferences extends CayennePreference {
private static final String SORT_COLUMN_KEY = "sort_column";
private static final String SORT_ORDER_KEY = "sort_order";
private static final String WIDTH_KEY = "width_";
public static final String TABLE_COLUMN_PREF_KEY = "table_column";
private static final String ORDER_KEY = "order_";
private JTable table;
private int columnCount;
private int defaultSortColumn;
private boolean defaultSortOrder;
private int[] currentWidth;
private TableColumnModelListener listener = new TableColumnModelListener() {
public void columnAdded(TableColumnModelEvent e) {
}
public void columnMarginChanged(ChangeEvent e) {
TableColumn column;
for (int i = 0; i < columnCount; i++) {
column = table.getColumnModel().getColumn(i);
setWidth(column.getModelIndex(), column.getPreferredWidth());
}
}
public void columnMoved(TableColumnModelEvent e) {
TableColumn column;
for (int i = 0; i < columnCount; i++) {
column = table.getColumnModel().getColumn(i);
setOrderIndex(column.getModelIndex(), i);
}
updateSort(defaultSortColumn, defaultSortOrder);
}
public void columnRemoved(TableColumnModelEvent e) {
}
public void columnSelectionChanged(ListSelectionEvent e) {
}
};
public TableColumnPreferences(Class className, String path) {
setCurrentNodeForPreference(className, path);
}
public Preferences getPreference() {
if (getCurrentPreference() == null) {
setCurrentNodeForPreference(this.getClass(), TABLE_COLUMN_PREF_KEY);
}
return getCurrentPreference();
}
/**
* Binds this preference object to synchronize its state with a given table component,
* allowing to specify an initial offset compared to the stored position. Allow to specify
* initial sorting.
*/
public void bind(
final JTable table,
Map minSizes,
Map maxSizes,
Map defaultSizes,
int defaultSortColumn,
boolean defaultSortOrder) {
bind(table, minSizes, maxSizes, defaultSizes);
((CayenneTable) table).setSortPreferenceSaver(this);
this.defaultSortColumn = defaultSortColumn;
this.defaultSortOrder = defaultSortOrder;
updateSort(defaultSortColumn, defaultSortOrder);
}
/**
* Binds this preference object to synchronize its state with a given table component,
* allowing to specify an initial offset compared to the stored position.
*/
public void bind(
final JTable table,
Map minSizes,
Map maxSizes,
Map defaultSizes) {
this.table = table;
this.columnCount = table.getColumnCount();
this.currentWidth = new int[columnCount];
table.getColumnModel().removeColumnModelListener(listener);
updateTable(minSizes, maxSizes, defaultSizes);
table.getColumnModel().addColumnModelListener(listener);
}
private void updateTable(
Map minSizes,
Map maxSizes, Map defaultSizes) {
updateWidths(minSizes, maxSizes, defaultSizes);
updateOrder();
}
private void updateWidths(
Map minSizes,
Map maxSizes, Map defaultSizes) {
TableColumn column;
TableColumnModel columnModel = table.getColumnModel();
for (int i = 0; i < columnCount; i++) {
column = columnModel.getColumn(i);
int modelIndex = column.getModelIndex();
int defaultWidth;
if (minSizes != null && minSizes.containsKey(modelIndex)) {
column.setMinWidth(minSizes.get(modelIndex));
}
if (maxSizes != null && maxSizes.containsKey(modelIndex)) {
column.setMaxWidth(maxSizes.get(modelIndex));
}
if(defaultSizes != null && defaultSizes.containsKey(modelIndex)){
defaultWidth = defaultSizes.get(modelIndex);
} else {
defaultWidth = column.getPreferredWidth();
}
int width = getWidth(modelIndex, defaultWidth);
if (column.getPreferredWidth() != width) {
column.setPreferredWidth(width);
}
}
}
private void updateOrder() {
TableColumn column;
TableColumnModel columnModel = table.getColumnModel();
TableModel model = table.getModel();
String columnName;
for (int i = 0; i < columnCount; i++) {
columnName = model.getColumnName(i);
column = table.getColumn(columnName);
int modelIndex = column.getModelIndex();
int orderIndex = getOrderIndex(modelIndex, modelIndex);
if (i != orderIndex) {
table.moveColumn(columnModel.getColumnIndex(columnName), orderIndex);
}
}
}
private void updateSort(int defaultSortColumn, boolean defaultSortOrder) {
((CayenneTable) table).sort(
getSortColumn(defaultSortColumn),
getSortOrder(defaultSortOrder));
}
private int getWidth(int index, int defaultWidth) {
if(currentWidth[index] == 0) {
currentWidth[index] = getPreference().getInt(WIDTH_KEY + index, defaultWidth);
}
return currentWidth[index];
}
private void setWidth(int index, int width) {
if(currentWidth[index] != width) {
getPreference().putInt(WIDTH_KEY + index, width);
currentWidth[index] = width;
}
}
private int getOrderIndex(int columnIndex, int defaultOrderIndex) {
return getPreference().getInt(ORDER_KEY + columnIndex, defaultOrderIndex);
}
private void setOrderIndex(int columnIndex, int defaultOrderIndex) {
getPreference().putInt(ORDER_KEY + columnIndex, defaultOrderIndex);
}
private boolean getSortOrder(boolean defaultSortOrder) {
return getPreference().getBoolean(SORT_ORDER_KEY, defaultSortOrder);
}
public void setSortOrder(boolean isAscent) {
getPreference().putBoolean(SORT_ORDER_KEY, isAscent);
}
private int getSortColumn(int defaultSortColumn) {
return getPreference().getInt(SORT_COLUMN_KEY, defaultSortColumn);
}
public void setSortColumn(int sortCol) {
getPreference().putInt(SORT_COLUMN_KEY, sortCol);
}
}
