tasklist.ui/src/org/netbeans/modules/tasklist/ui/TaskListTableUI.java - netbeans - Git at Google

 /**
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * 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
  * with the License.  You may obtain a copy of the License at
  *
  *   http://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
  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  * KIND, either express or implied.  See the License for the
  * specific language governing permissions and limitations
  * under the License.
  */

 package org.netbeans.modules.tasklist.ui;

 import java.awt.Component;
 import java.awt.Graphics;
 import java.awt.Point;
 import java.awt.Rectangle;
 import javax.swing.JComponent;
 import javax.swing.JTable;
 import javax.swing.UIManager;
 import javax.swing.plaf.basic.BasicTableUI;
 import javax.swing.table.JTableHeader;
 import javax.swing.table.TableCellRenderer;
 import javax.swing.table.TableColumn;
 import javax.swing.table.TableColumnModel;

 /**
  *
  * @author S. Aubrecht
  */
 class TaskListTableUI extends BasicTableUI {

     /** Creates a new instance of TaskListTableUI */
     public TaskListTableUI() {
         //avoid NPE on Nimbus l&f
         if( null == UIManager.getColor("Table.selectionBackground") ) {
             UIManager.put("Table.selectionBackground", new JTable().getSelectionBackground());
         }
         if( null == UIManager.getColor("Table.selectionForeground") ) {
             UIManager.put("Table.selectionForeground", new JTable().getSelectionForeground());
         }
         if( null == UIManager.getColor("Table.gridColor") ) {
             UIManager.put("Table.gridColor", new JTable().getGridColor());
         }
     }

     /** Paint a representation of the <code>table</code> instance
      * that was set in installUI().
      *
      * (copy & paste from BasicTableUI)
      */
     public void paint(Graphics g, JComponent c) {
         Rectangle clip = g.getClipBounds();

         Rectangle bounds = table.getBounds();
         // account for the fact that the graphics has already been translated
         // into the table's bounds
         bounds.x = bounds.y = 0;

 	if (table.getRowCount() <= 0 || table.getColumnCount() <= 0 ||
                 // this check prevents us from painting the entire table
                 // when the clip doesn't intersect our bounds at all
                 !bounds.intersects(clip)) {

 	    return;
 	}

 	Point upperLeft = clip.getLocation();
 	Point lowerRight = new Point(clip.x + clip.width - 1, clip.y + clip.height - 1);
         int rMin = table.rowAtPoint(upperLeft);
         int rMax = table.rowAtPoint(lowerRight);
         // This should never happen (as long as our bounds intersect the clip,
         // which is why we bail above if that is the case).
         if (rMin == -1) {
 	    rMin = 0;
         }
         // If the table does not have enough rows to fill the view we'll get -1.
         // (We could also get -1 if our bounds don't intersect the clip,
         // which is why we bail above if that is the case).
         // Replace this with the index of the last row.
         if (rMax == -1) {
 	    rMax = table.getRowCount()-1;
         }

         boolean ltr = table.getComponentOrientation().isLeftToRight();
         int cMin = table.columnAtPoint(ltr ? upperLeft : lowerRight);
         int cMax = table.columnAtPoint(ltr ? lowerRight : upperLeft);
         // This should never happen.
         if (cMin == -1) {
 	    cMin = 0;
         }
 	// If the table does not have enough columns to fill the view we'll get -1.
         // Replace this with the index of the last column.
         if (cMax == -1) {
 	    cMax = table.getColumnCount()-1;
         }

         // Paint the grid.
         paintGrid(g, rMin, rMax, cMin, cMax);

         // Paint the cells.
 	paintCells(g, rMin, rMax, cMin, cMax);
     }

     /*
      * Paints the grid lines within <I>aRect</I>, using the grid
      * color set with <I>setGridColor</I>. Paints vertical lines
      * if <code>getShowVerticalLines()</code> returns true and paints
      * horizontal lines if <code>getShowHorizontalLines()</code>
      * returns true.
      *
      * (copy & paste from BasicTableUI)
      */
     private void paintGrid(Graphics g, int rMin, int rMax, int cMin, int cMax) {
         g.setColor(table.getGridColor());

 	Rectangle minCell = table.getCellRect(rMin, cMin, true);
 	Rectangle maxCell = table.getCellRect(rMax, cMax, true);
         Rectangle damagedArea = minCell.union( maxCell );

         if (table.getShowHorizontalLines()) {
 	    int tableWidth = damagedArea.x + damagedArea.width;
 	    int y = damagedArea.y;
 	    for (int row = rMin; row <= rMax; row++) {
 		y += table.getRowHeight(row);
 		g.drawLine(damagedArea.x, y - 1, tableWidth - 1, y - 1);
 	    }
 	}
         if (table.getShowVerticalLines()) {
 	    TableColumnModel cm = table.getColumnModel();
 	    int tableHeight = damagedArea.y + damagedArea.height;
 	    int x;
 	    if (table.getComponentOrientation().isLeftToRight()) {
 		x = damagedArea.x;
 		for (int column = cMin; column <= cMax; column++) {
 		    int w = cm.getColumn(column).getWidth();
 		    x += w;
 		    g.drawLine(x - 1, 0, x - 1, tableHeight - 1);
 		}
 	    } else {
 		x = damagedArea.x + damagedArea.width;
 		for (int column = cMin; column < cMax; column++) {
 		    int w = cm.getColumn(column).getWidth();
 		    x -= w;
 		    g.drawLine(x - 1, 0, x - 1, tableHeight - 1);
 		}
 		x -= cm.getColumn(cMax).getWidth();
 		g.drawLine(x, 0, x, tableHeight - 1);
 	    }
 	}
     }

     /**
      * (copy & paste from BasicTableUI)
      */
     private int viewIndexForColumn(TableColumn aColumn) {
         TableColumnModel cm = table.getColumnModel();
         for (int column = 0; column < cm.getColumnCount(); column++) {
             if (cm.getColumn(column) == aColumn) {
                 return column;
             }
         }
         return -1;
     }

     /**
      * (copy & paste from BasicTableUI)
      */
     private void paintCells(Graphics g, int rMin, int rMax, int cMin, int cMax) {
 	JTableHeader header = table.getTableHeader();
 	TableColumn draggedColumn = (header == null) ? null : header.getDraggedColumn();

 	TableColumnModel cm = table.getColumnModel();
 	int columnMargin = cm.getColumnMargin();

         Rectangle cellRect;
 	TableColumn aColumn;
 	int columnWidth;
 	if (table.getComponentOrientation().isLeftToRight()) {
 	    for(int row = rMin; row <= rMax; row++) {
 		cellRect = table.getCellRect(row, cMin, false);
                 if( isFoldingRow( row ) ) {
                     //paint the cell across the whole table
                     cellRect.x = 0;
                     cellRect.width = table.getColumnModel().getTotalColumnWidth()-columnMargin;
                     paintCell( g, cellRect, row, 0 );
                 } else {
                     for(int column = cMin; column <= cMax; column++) {
                         aColumn = cm.getColumn(column);
                         columnWidth = aColumn.getWidth();
                         cellRect.width = columnWidth - columnMargin;
                         if (aColumn != draggedColumn) {
                             paintCell(g, cellRect, row, column);
                         }
                         cellRect.x += columnWidth;
                     }
                 }
 	    }
 	} else {
 	    for(int row = rMin; row <= rMax; row++) {
                 cellRect = table.getCellRect(row, cMin, false);
                 if( isFoldingRow( row ) ) {
                     //paint the cell across the whole table
                     cellRect.x = 0;
                     cellRect.width = table.getColumnModel().getTotalColumnWidth()-columnMargin;
                     paintCell( g, cellRect, row, 0 );
                 } else {
                     aColumn = cm.getColumn(cMin);
                     if (aColumn != draggedColumn) {
                         columnWidth = aColumn.getWidth();
                         cellRect.width = columnWidth - columnMargin;
                         paintCell(g, cellRect, row, cMin);
                     }
                     for(int column = cMin+1; column <= cMax; column++) {
                         aColumn = cm.getColumn(column);
                         columnWidth = aColumn.getWidth();
                         cellRect.width = columnWidth - columnMargin;
                         cellRect.x -= columnWidth;
                         if (aColumn != draggedColumn) {
                             paintCell(g, cellRect, row, column);
                         }
                     }
                 }
 	    }
 	}

         // Paint the dragged column if we are dragging.
         if (draggedColumn != null) {
 	    paintDraggedArea(g, rMin, rMax, draggedColumn, header.getDraggedDistance());
 	}

 	// Remove any renderers that may be left in the rendererPane.
 	rendererPane.removeAll();
     }

     /**
      * (copy & paste from BasicTableUI)
      */
     private void paintDraggedArea(Graphics g, int rMin, int rMax, TableColumn draggedColumn, int distance) {
         int draggedColumnIndex = viewIndexForColumn(draggedColumn);

         Rectangle minCell = table.getCellRect(rMin, draggedColumnIndex, true);
 	Rectangle maxCell = table.getCellRect(rMax, draggedColumnIndex, true);

 	Rectangle vacatedColumnRect = minCell.union(maxCell);

 	// Paint a gray well in place of the moving column.
 	g.setColor(table.getParent().getBackground());
 	g.fillRect(vacatedColumnRect.x, vacatedColumnRect.y,
 		   vacatedColumnRect.width, vacatedColumnRect.height);

 	// Move to the where the cell has been dragged.
 	vacatedColumnRect.x += distance;

 	// Fill the background.
 	g.setColor(table.getBackground());
 	g.fillRect(vacatedColumnRect.x, vacatedColumnRect.y,
 		   vacatedColumnRect.width, vacatedColumnRect.height);

 	// Paint the vertical grid lines if necessary.
 	if (table.getShowVerticalLines()) {
 	    g.setColor(table.getGridColor());
 	    int x1 = vacatedColumnRect.x;
 	    int y1 = vacatedColumnRect.y;
 	    int x2 = x1 + vacatedColumnRect.width - 1;
 	    int y2 = y1 + vacatedColumnRect.height - 1;
 	    // Left
 	    g.drawLine(x1-1, y1, x1-1, y2);
 	    // Right
 	    g.drawLine(x2, y1, x2, y2);
 	}

 	for(int row = rMin; row <= rMax; row++) {
 	    // Render the cell value
 	    Rectangle r = table.getCellRect(row, draggedColumnIndex, false);
 	    r.x += distance;
 	    paintCell(g, r, row, draggedColumnIndex);

 	    // Paint the (lower) horizontal grid line if necessary.
 	    if (table.getShowHorizontalLines()) {
 		g.setColor(table.getGridColor());
 		Rectangle rcr = table.getCellRect(row, draggedColumnIndex, true);
 		rcr.x += distance;
 		int x1 = rcr.x;
 		int y1 = rcr.y;
 		int x2 = x1 + rcr.width - 1;
 		int y2 = y1 + rcr.height - 1;
 		g.drawLine(x1, y2, x2, y2);
 	    }
 	}
     }

     /**
      * (copy & paste from BasicTableUI)
      */
     private void paintCell(Graphics g, Rectangle cellRect, int row, int column) {
         if (table.isEditing() && table.getEditingRow()==row &&
                                  table.getEditingColumn()==column) {
             Component component = table.getEditorComponent();
 	    component.setBounds(cellRect);
             component.validate();
         }
         else {
             TableCellRenderer renderer = table.getCellRenderer(row, column);
             Component component = table.prepareRenderer(renderer, row, column);
             rendererPane.paintComponent(g, component, table, cellRect.x, cellRect.y,
                                         cellRect.width, cellRect.height, true);
         }
     }

     private boolean isFoldingRow( int row ) {
         boolean res = false;
         if( table.getModel() instanceof FoldingTaskListModel ) {
             res = ((FoldingTaskListModel)table.getModel()).isGroupRow( row );
         }
         return res;
     }
 }
	/**
	* Licensed to the Apache Software Foundation (ASF) under one
	* or more contributor license agreements. See the NOTICE file
	* 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
	* with the License. You may obtain a copy of the License at
	*
	* http://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
	* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
	* KIND, either express or implied. See the License for the
	* specific language governing permissions and limitations
	* under the License.
	*/

	package org.netbeans.modules.tasklist.ui;

	import java.awt.Component;
	import java.awt.Graphics;
	import java.awt.Point;
	import java.awt.Rectangle;
	import javax.swing.JComponent;
	import javax.swing.JTable;
	import javax.swing.UIManager;
	import javax.swing.plaf.basic.BasicTableUI;
	import javax.swing.table.JTableHeader;
	import javax.swing.table.TableCellRenderer;
	import javax.swing.table.TableColumn;
	import javax.swing.table.TableColumnModel;

	/**
	*
	* @author S. Aubrecht
	*/
	class TaskListTableUI extends BasicTableUI {

	/** Creates a new instance of TaskListTableUI */
	public TaskListTableUI() {
	//avoid NPE on Nimbus l&f
	if( null == UIManager.getColor("Table.selectionBackground") ) {
	UIManager.put("Table.selectionBackground", new JTable().getSelectionBackground());
	}
	if( null == UIManager.getColor("Table.selectionForeground") ) {
	UIManager.put("Table.selectionForeground", new JTable().getSelectionForeground());
	}
	if( null == UIManager.getColor("Table.gridColor") ) {
	UIManager.put("Table.gridColor", new JTable().getGridColor());
	}
	}

	/** Paint a representation of the <code>table</code> instance
	* that was set in installUI().
	*
	* (copy & paste from BasicTableUI)
	*/
	public void paint(Graphics g, JComponent c) {
	Rectangle clip = g.getClipBounds();

	Rectangle bounds = table.getBounds();
	// account for the fact that the graphics has already been translated
	// into the table's bounds
	bounds.x = bounds.y = 0;

	if (table.getRowCount() <= 0 \|\| table.getColumnCount() <= 0 \|\|
	// this check prevents us from painting the entire table
	// when the clip doesn't intersect our bounds at all
	!bounds.intersects(clip)) {

	return;
	}

	Point upperLeft = clip.getLocation();
	Point lowerRight = new Point(clip.x + clip.width - 1, clip.y + clip.height - 1);
	int rMin = table.rowAtPoint(upperLeft);
	int rMax = table.rowAtPoint(lowerRight);
	// This should never happen (as long as our bounds intersect the clip,
	// which is why we bail above if that is the case).
	if (rMin == -1) {
	rMin = 0;
	}
	// If the table does not have enough rows to fill the view we'll get -1.
	// (We could also get -1 if our bounds don't intersect the clip,
	// which is why we bail above if that is the case).
	// Replace this with the index of the last row.
	if (rMax == -1) {
	rMax = table.getRowCount()-1;
	}

	boolean ltr = table.getComponentOrientation().isLeftToRight();
	int cMin = table.columnAtPoint(ltr ? upperLeft : lowerRight);
	int cMax = table.columnAtPoint(ltr ? lowerRight : upperLeft);
	// This should never happen.
	if (cMin == -1) {
	cMin = 0;
	}
	// If the table does not have enough columns to fill the view we'll get -1.
	// Replace this with the index of the last column.
	if (cMax == -1) {
	cMax = table.getColumnCount()-1;
	}

	// Paint the grid.
	paintGrid(g, rMin, rMax, cMin, cMax);

	// Paint the cells.
	paintCells(g, rMin, rMax, cMin, cMax);
	}

	/*
	* Paints the grid lines within <I>aRect</I>, using the grid
	* color set with <I>setGridColor</I>. Paints vertical lines
	* if <code>getShowVerticalLines()</code> returns true and paints
	* horizontal lines if <code>getShowHorizontalLines()</code>
	* returns true.
	*
	* (copy & paste from BasicTableUI)
	*/
	private void paintGrid(Graphics g, int rMin, int rMax, int cMin, int cMax) {
	g.setColor(table.getGridColor());

	Rectangle minCell = table.getCellRect(rMin, cMin, true);
	Rectangle maxCell = table.getCellRect(rMax, cMax, true);
	Rectangle damagedArea = minCell.union( maxCell );

	if (table.getShowHorizontalLines()) {
	int tableWidth = damagedArea.x + damagedArea.width;
	int y = damagedArea.y;
	for (int row = rMin; row <= rMax; row++) {
	y += table.getRowHeight(row);
	g.drawLine(damagedArea.x, y - 1, tableWidth - 1, y - 1);
	}
	}
	if (table.getShowVerticalLines()) {
	TableColumnModel cm = table.getColumnModel();
	int tableHeight = damagedArea.y + damagedArea.height;
	int x;
	if (table.getComponentOrientation().isLeftToRight()) {
	x = damagedArea.x;
	for (int column = cMin; column <= cMax; column++) {
	int w = cm.getColumn(column).getWidth();
	x += w;
	g.drawLine(x - 1, 0, x - 1, tableHeight - 1);
	}
	} else {
	x = damagedArea.x + damagedArea.width;
	for (int column = cMin; column < cMax; column++) {
	int w = cm.getColumn(column).getWidth();
	x -= w;
	g.drawLine(x - 1, 0, x - 1, tableHeight - 1);
	}
	x -= cm.getColumn(cMax).getWidth();
	g.drawLine(x, 0, x, tableHeight - 1);
	}
	}
	}

	/**
	* (copy & paste from BasicTableUI)
	*/
	private int viewIndexForColumn(TableColumn aColumn) {
	TableColumnModel cm = table.getColumnModel();
	for (int column = 0; column < cm.getColumnCount(); column++) {
	if (cm.getColumn(column) == aColumn) {
	return column;
	}
	}
	return -1;
	}

	/**
	* (copy & paste from BasicTableUI)
	*/
	private void paintCells(Graphics g, int rMin, int rMax, int cMin, int cMax) {
	JTableHeader header = table.getTableHeader();
	TableColumn draggedColumn = (header == null) ? null : header.getDraggedColumn();

	TableColumnModel cm = table.getColumnModel();
	int columnMargin = cm.getColumnMargin();

	Rectangle cellRect;
	TableColumn aColumn;
	int columnWidth;
	if (table.getComponentOrientation().isLeftToRight()) {
	for(int row = rMin; row <= rMax; row++) {
	cellRect = table.getCellRect(row, cMin, false);
	if( isFoldingRow( row ) ) {
	//paint the cell across the whole table
	cellRect.x = 0;
	cellRect.width = table.getColumnModel().getTotalColumnWidth()-columnMargin;
	paintCell( g, cellRect, row, 0 );
	} else {
	for(int column = cMin; column <= cMax; column++) {
	aColumn = cm.getColumn(column);
	columnWidth = aColumn.getWidth();
	cellRect.width = columnWidth - columnMargin;
	if (aColumn != draggedColumn) {
	paintCell(g, cellRect, row, column);
	}
	cellRect.x += columnWidth;
	}
	}
	}
	} else {
	for(int row = rMin; row <= rMax; row++) {
	cellRect = table.getCellRect(row, cMin, false);
	if( isFoldingRow( row ) ) {
	//paint the cell across the whole table
	cellRect.x = 0;
	cellRect.width = table.getColumnModel().getTotalColumnWidth()-columnMargin;
	paintCell( g, cellRect, row, 0 );
	} else {
	aColumn = cm.getColumn(cMin);
	if (aColumn != draggedColumn) {
	columnWidth = aColumn.getWidth();
	cellRect.width = columnWidth - columnMargin;
	paintCell(g, cellRect, row, cMin);
	}
	for(int column = cMin+1; column <= cMax; column++) {
	aColumn = cm.getColumn(column);
	columnWidth = aColumn.getWidth();
	cellRect.width = columnWidth - columnMargin;
	cellRect.x -= columnWidth;
	if (aColumn != draggedColumn) {
	paintCell(g, cellRect, row, column);
	}
	}
	}
	}
	}

	// Paint the dragged column if we are dragging.
	if (draggedColumn != null) {
	paintDraggedArea(g, rMin, rMax, draggedColumn, header.getDraggedDistance());
	}

	// Remove any renderers that may be left in the rendererPane.
	rendererPane.removeAll();
	}

	/**
	* (copy & paste from BasicTableUI)
	*/
	private void paintDraggedArea(Graphics g, int rMin, int rMax, TableColumn draggedColumn, int distance) {
	int draggedColumnIndex = viewIndexForColumn(draggedColumn);

	Rectangle minCell = table.getCellRect(rMin, draggedColumnIndex, true);
	Rectangle maxCell = table.getCellRect(rMax, draggedColumnIndex, true);

	Rectangle vacatedColumnRect = minCell.union(maxCell);

	// Paint a gray well in place of the moving column.
	g.setColor(table.getParent().getBackground());
	g.fillRect(vacatedColumnRect.x, vacatedColumnRect.y,
	vacatedColumnRect.width, vacatedColumnRect.height);

	// Move to the where the cell has been dragged.
	vacatedColumnRect.x += distance;

	// Fill the background.
	g.setColor(table.getBackground());
	g.fillRect(vacatedColumnRect.x, vacatedColumnRect.y,
	vacatedColumnRect.width, vacatedColumnRect.height);

	// Paint the vertical grid lines if necessary.
	if (table.getShowVerticalLines()) {
	g.setColor(table.getGridColor());
	int x1 = vacatedColumnRect.x;
	int y1 = vacatedColumnRect.y;
	int x2 = x1 + vacatedColumnRect.width - 1;
	int y2 = y1 + vacatedColumnRect.height - 1;
	// Left
	g.drawLine(x1-1, y1, x1-1, y2);
	// Right
	g.drawLine(x2, y1, x2, y2);
	}

	for(int row = rMin; row <= rMax; row++) {
	// Render the cell value
	Rectangle r = table.getCellRect(row, draggedColumnIndex, false);
	r.x += distance;
	paintCell(g, r, row, draggedColumnIndex);

	// Paint the (lower) horizontal grid line if necessary.
	if (table.getShowHorizontalLines()) {
	g.setColor(table.getGridColor());
	Rectangle rcr = table.getCellRect(row, draggedColumnIndex, true);
	rcr.x += distance;
	int x1 = rcr.x;
	int y1 = rcr.y;
	int x2 = x1 + rcr.width - 1;
	int y2 = y1 + rcr.height - 1;
	g.drawLine(x1, y2, x2, y2);
	}
	}
	}

	/**
	* (copy & paste from BasicTableUI)
	*/
	private void paintCell(Graphics g, Rectangle cellRect, int row, int column) {
	if (table.isEditing() && table.getEditingRow()==row &&
	table.getEditingColumn()==column) {
	Component component = table.getEditorComponent();
	component.setBounds(cellRect);
	component.validate();
	}
	else {
	TableCellRenderer renderer = table.getCellRenderer(row, column);
	Component component = table.prepareRenderer(renderer, row, column);
	rendererPane.paintComponent(g, component, table, cellRect.x, cellRect.y,
	cellRect.width, cellRect.height, true);
	}
	}

	private boolean isFoldingRow( int row ) {
	boolean res = false;
	if( table.getModel() instanceof FoldingTaskListModel ) {
	res = ((FoldingTaskListModel)table.getModel()).isGroupRow( row );
	}
	return res;
	}
	}