yaoh.wu
7 years ago
4 changed files with 0 additions and 180 deletions
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package com.fr.design.remote.ui.tree; |
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import javax.swing.JCheckBox; |
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import javax.swing.JPanel; |
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import javax.swing.JTree; |
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import javax.swing.UIManager; |
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import javax.swing.plaf.ColorUIResource; |
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import javax.swing.tree.TreeCellRenderer; |
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import java.awt.Color; |
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import java.awt.Component; |
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import java.awt.Dimension; |
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public class FileAuthorityTreeCellRenderer extends JPanel implements TreeCellRenderer { |
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protected JCheckBox check; |
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protected FileAuthorityTreeLabel label; |
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public FileAuthorityTreeCellRenderer() { |
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setLayout(null); |
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add(check = new JCheckBox()); |
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add(label = new FileAuthorityTreeLabel()); |
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check.setBackground(UIManager.getColor("Tree.textBackground")); |
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label.setForeground(UIManager.getColor("Tree.textForeground")); |
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} |
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/** |
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* 返回的是一个<code>JPanel</code>对象,该对象中包含一个<code>JCheckBox</code>对象 |
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* 和一个<code>JLabel</code>对象。并且根据每个结点是否被选中来决定<code>JCheckBox</code> |
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* 是否被选中。 |
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*/ |
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@Override |
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public Component getTreeCellRendererComponent(JTree tree, Object value, |
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boolean selected, boolean expanded, boolean leaf, int row, |
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boolean hasFocus) { |
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String stringValue = tree.convertValueToText(value, selected, expanded, leaf, row, hasFocus); |
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setEnabled(tree.isEnabled()); |
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check.setSelected(((FileAuthorityTreeNode) value).isSelected()); |
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label.setFont(tree.getFont()); |
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label.setText(stringValue); |
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label.setSelected(selected); |
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label.setFocus(hasFocus); |
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if (leaf) |
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label.setIcon(UIManager.getIcon("Tree.leafIcon")); |
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else if (expanded) |
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label.setIcon(UIManager.getIcon("Tree.openIcon")); |
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else |
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label.setIcon(UIManager.getIcon("Tree.closedIcon")); |
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return this; |
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} |
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@Override |
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public Dimension getPreferredSize() { |
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Dimension dCheck = check.getPreferredSize(); |
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Dimension dLabel = label.getPreferredSize(); |
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return new Dimension(dCheck.width + dLabel.width, dCheck.height < dLabel.height ? dLabel.height : dCheck.height); |
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} |
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@Override |
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public void doLayout() { |
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Dimension dCheck = check.getPreferredSize(); |
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Dimension dLabel = label.getPreferredSize(); |
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int yCheck = 0; |
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int yLabel = 0; |
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if (dCheck.height < dLabel.height) |
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yCheck = (dLabel.height - dCheck.height) / 2; |
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else |
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yLabel = (dCheck.height - dLabel.height) / 2; |
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check.setLocation(0, yCheck); |
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check.setBounds(0, yCheck, dCheck.width, dCheck.height); |
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label.setLocation(dCheck.width, yLabel); |
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label.setBounds(dCheck.width, yLabel, dLabel.width, dLabel.height); |
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} |
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@Override |
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public void setBackground(Color color) { |
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if (color instanceof ColorUIResource) |
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color = null; |
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super.setBackground(color); |
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} |
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} |
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@ -1,69 +0,0 @@ |
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package com.fr.design.remote.ui.tree; |
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import javax.swing.Icon; |
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import javax.swing.JLabel; |
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import javax.swing.UIManager; |
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import javax.swing.plaf.ColorUIResource; |
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import java.awt.Color; |
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import java.awt.Dimension; |
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import java.awt.Graphics; |
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public class FileAuthorityTreeLabel extends JLabel { |
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private boolean isSelected; |
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private boolean hasFocus; |
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public FileAuthorityTreeLabel() { |
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} |
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@Override |
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public void setBackground(Color color) { |
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if (color instanceof ColorUIResource) { |
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color = null; |
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} |
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super.setBackground(color); |
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} |
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@Override |
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public void paint(Graphics g) { |
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String str; |
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if ((str = getText()) != null) { |
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if (0 < str.length()) { |
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if (isSelected) { |
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g.setColor(UIManager.getColor("Tree.selectionBackground")); |
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} else { |
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g.setColor(UIManager.getColor("Tree.textBackground")); |
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} |
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Dimension d = getPreferredSize(); |
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int imageOffset = 0; |
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Icon currentIcon = getIcon(); |
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if (currentIcon != null) { |
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imageOffset = currentIcon.getIconWidth() + Math.max(0, getIconTextGap() - 1); |
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} |
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g.fillRect(imageOffset, 0, d.width - 1 - imageOffset, d.height); |
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if (hasFocus) { |
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g.setColor(UIManager.getColor("Tree.selectionBorderColor")); |
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g.drawRect(imageOffset, 0, d.width - 1 - imageOffset, d.height - 1); |
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} |
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} |
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} |
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super.paint(g); |
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} |
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@Override |
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public Dimension getPreferredSize() { |
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Dimension retDimension = super.getPreferredSize(); |
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if (retDimension != null) { |
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retDimension = new Dimension(retDimension.width + 3, retDimension.height); |
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} |
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return retDimension; |
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} |
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public void setSelected(boolean isSelected) { |
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this.isSelected = isSelected; |
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} |
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public void setFocus(boolean hasFocus) { |
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this.hasFocus = hasFocus; |
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} |
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} |
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@ -1,27 +0,0 @@ |
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package com.fr.design.remote.ui.tree; |
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import javax.swing.JTree; |
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import javax.swing.tree.DefaultTreeModel; |
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import javax.swing.tree.TreePath; |
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import java.awt.event.MouseAdapter; |
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import java.awt.event.MouseEvent; |
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public class FileAuthorityTreeNodeSelectionListener extends MouseAdapter { |
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@Override |
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public void mouseClicked(MouseEvent event) { |
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JTree tree = (JTree) event.getSource(); |
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int x = event.getX(); |
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int y = event.getY(); |
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int row = tree.getRowForLocation(x, y); |
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TreePath path = tree.getPathForRow(row); |
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if (path != null) { |
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FileAuthorityTreeNode node = (FileAuthorityTreeNode) path.getLastPathComponent(); |
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if (node != null) { |
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boolean isSelected = !node.isSelected(); |
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node.setSelected(isSelected); |
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((DefaultTreeModel) tree.getModel()).nodeStructureChanged(node); |
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} |
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} |
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} |
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} |
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