forked from fanruan/design
plough
7 years ago
4 changed files with 466 additions and 11 deletions
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package com.fr.design.gui.ilist; |
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import com.fr.base.Utils; |
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import com.fr.design.gui.itextfield.UITextField; |
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import com.fr.general.Inter; |
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import com.fr.general.NameObject; |
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import com.fr.stable.Nameable; |
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import com.fr.stable.StringUtils; |
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import com.fr.stable.core.PropertyChangeAdapter; |
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import javax.swing.*; |
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import javax.swing.event.CellEditorListener; |
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import javax.swing.event.ChangeEvent; |
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import java.awt.*; |
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import java.awt.event.FocusEvent; |
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import java.awt.event.FocusListener; |
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import java.awt.event.MouseAdapter; |
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import java.awt.event.MouseEvent; |
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import java.util.ArrayList; |
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import java.util.Vector; |
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/** |
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* Created by plough on 2017/7/23. |
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*/ |
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public class UINameEdList extends UIList implements CellEditorListener { |
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private static final int TEST_LIST_LENTH = 20; |
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private static final int BUTTON_WIDTH = 20; |
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private boolean editable = true; |
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// kunsnat: 是否强制ListName是数字 (int型)
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private boolean isNameShouldNumber = false; |
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transient protected ListCellEditor cellEditor; |
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transient protected Component editorComp; |
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transient protected int editingIndex; |
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private PropertyChangeAdapter editingListner; |
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private java.util.List<ModNameActionListener> ll = new ArrayList<ModNameActionListener>(); |
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public UINameEdList(ListModel dataModel) { |
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super(dataModel); |
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} |
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public UINameEdList(final Object[] listData) { |
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super(listData); |
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} |
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public UINameEdList(final Vector<?> listData) { |
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super(listData); |
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} |
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public UINameEdList() { |
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super(); |
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} |
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/* |
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* Sets是否可编辑 |
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*/ |
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public void setEditable(boolean editable) { |
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this.editable = editable; |
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} |
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/** |
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* 是否可编辑 |
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* |
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* @return 是则返回true |
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*/ |
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public boolean isEditable() { |
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return this.editable; |
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} |
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public void setNameShouldNumber(boolean isNameShouldNumber) { |
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this.isNameShouldNumber = isNameShouldNumber; |
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} |
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/** |
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* 是否强制ListName是数字 (int型) |
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* |
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* @return 是则返回true |
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*/ |
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public boolean isNameShouldNumber() { |
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return isNameShouldNumber; |
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} |
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/** |
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* 添加名字改变时的listener |
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* |
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* @param l 监听器 |
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*/ |
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public void addModNameActionListener(ModNameActionListener l) { |
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ll.add(l); |
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} |
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/** |
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* 编辑时的监听器 |
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* |
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* @param l 监听器 |
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*/ |
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public void addEditingListner(PropertyChangeAdapter l) { |
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this.editingListner = l; |
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} |
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/** |
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* 移除某名字改变时的listener |
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* |
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* @param l 监听器 |
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*/ |
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public void removeModNameActionListener(ModNameActionListener l) { |
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ll.remove(l); |
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} |
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public ListCellEditor getCellEditor() { |
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if (cellEditor == null) { |
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UITextField editField = new UITextField(); |
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if (editingListner != null) { |
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editField.addFocusListener(new FocusListener() { |
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@Override |
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public void focusLost(FocusEvent e) { |
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editingListner.propertyChange(); |
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} |
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@Override |
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public void focusGained(FocusEvent e) { |
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// TODO Auto-generated method stub
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} |
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}); |
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} |
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cellEditor = new DefaultListCellEditor(editField) { |
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public boolean stopCellEditing() { |
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boolean isTrue = super.stopCellEditing(); |
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stopEditing(); |
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return isTrue; |
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} |
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}; |
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cellEditor.addCellEditorListener(this); |
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} |
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return cellEditor; |
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} |
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protected void doAfterLostFocus() { |
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} |
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public void setCellEditor(ListCellEditor editor) { |
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this.cellEditor = editor; |
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} |
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/* |
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* 取得index节点的名字 |
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*/ |
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public String getNameAt(int index) { |
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Nameable nameable = ((ListModelElement) getModel().getElementAt(index)).wrapper; |
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if (nameable != null) { |
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return nameable.getName(); |
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} |
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return null; |
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} |
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public Object getType(int index) { |
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Nameable nameable = ((ListModelElement) getModel().getElementAt(index)).wrapper; |
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if (nameable != null && nameable instanceof NameObject) { |
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return ((NameObject) nameable).getObject(); |
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} |
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return null; |
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} |
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public void setWarnigText() { |
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setWarnigText(this.getSelectedIndex()); |
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} |
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public void setWarnigText(int index) { |
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setNameAt(Inter.getLocText("Please_Rename") + "!", index); |
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this.repaint(); |
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} |
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/* |
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* 设置index节点的名字 |
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*/ |
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// b:edit改变name的时候怎么办？
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public void setNameAt(String name, int index) { |
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Nameable nameable = ((ListModelElement) getModel().getElementAt(index)).wrapper; |
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if (nameable != null) { |
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String oldName = nameable.getName(); |
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if (isNameShouldNumber()) { |
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// kunsnat: 限制只能是数字(int型)
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Number number = Utils.string2Number(name); |
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if (number == null) { |
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nameable.setName(oldName); |
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} else { |
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int newName = number.intValue(); |
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nameable.setName(String.valueOf(newName)); |
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} |
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} else { |
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nameable.setName(name); |
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} |
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for (int i = 0, len = ll.size(); i < len; i++) { |
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ll.get(i).nameModed(index, oldName, name); |
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} |
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} |
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} |
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/* |
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* 编辑第index个item |
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*/ |
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private String oldName; |
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/** |
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* 编辑第index项 |
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* |
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* @param index 序号 |
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* @return 成功返回true |
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*/ |
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public boolean editItemAt(int index) { |
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// 如果不可编辑,返回
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if (!this.editable) { |
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return false; |
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} |
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if (cellEditor != null && !cellEditor.stopCellEditing()) { |
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return false; |
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} |
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if (index < 0 || index >= this.getModel().getSize()) { |
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return false; |
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} |
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ListCellEditor editor = getCellEditor(); |
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Object value = editor.getCellEditorValue(); |
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if (!StringUtils.isBlank(value.toString())) { |
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oldName = value.toString(); |
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} |
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editorComp = prepareEditor(editor, index); |
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if (editorComp == null) { |
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return false; |
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} |
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Rectangle rect = this.getCellBounds(index, index); |
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// alex:所有的UINameEdList都有Icon,空出前面20 * 20的位置就是放的Icon
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rect.setRect(createRect(rect, BUTTON_WIDTH)); |
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editorComp.setBounds(rect); |
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add(editorComp); |
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editorComp.validate(); |
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editorComp.requestFocus(); |
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if (editorComp instanceof UITextField) { |
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((UITextField) editorComp).selectAll(); |
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} |
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setEditingIndex(index); |
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return true; |
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} |
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public Rectangle createRect(Rectangle rect, int iconWidth) { |
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return new Rectangle(rect.x + iconWidth, rect.y, rect.width - iconWidth, rect.height); |
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} |
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public String getEditingName() { |
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return (String) getCellEditor().getCellEditorValue(); |
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} |
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/* |
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* 根据ListCellEditor取得编辑器的Component |
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*/ |
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private Component prepareEditor(ListCellEditor cellEditor, int index) { |
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String name = getNameAt(index); |
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boolean isSelected = this.isSelectedIndex(index); |
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Component comp = cellEditor.getListCellEditorComponent(this, name, isSelected, index); |
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return comp; |
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} |
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/* |
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* 记录正在编辑的index |
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*/ |
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private void setEditingIndex(int idx) { |
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editingIndex = idx; |
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} |
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/** |
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* 编辑取消 |
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* |
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* @param e 事件 |
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*/ |
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public void editingCanceled(ChangeEvent e) { |
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removeComp(); |
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} |
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/** |
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* 编辑结束 |
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* |
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* @param e 事件 |
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*/ |
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public void editingStopped(ChangeEvent e) { |
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doAfterLostFocus(); |
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stopEditing(); |
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} |
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/** |
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* 停止编辑事件 |
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*/ |
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public void stopEditing() { |
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ListCellEditor editor = getCellEditor(); |
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if (editor != null && editorComp != null) { |
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Object value = editor.getCellEditorValue(); |
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String name = StringUtils.isBlank(value.toString()) ? oldName : value.toString(); |
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setNameAt(name, editingIndex); |
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removeComp(); |
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} |
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} |
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public String[] getAllNames() { |
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int length = this.getModel().getSize(); |
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String[] names = new String[length]; |
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for (int i = 0; i < length; i++) { |
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names[i] = getNameAt(i); |
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} |
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return names; |
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} |
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public Object[] getAllTypes() { |
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int length = this.getModel().getSize(); |
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Object[] types = new Object[length]; |
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for (int i = 0; i < length; i++) { |
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types[i] = getType(i); |
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} |
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return types; |
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} |
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/* |
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* 移除编辑器的Component |
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*/ |
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private void removeComp() { |
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if (editorComp != null) { |
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remove(editorComp); |
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} |
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Rectangle cellRect = this.getCellBounds(editingIndex, editingIndex); |
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setEditingIndex(-1); |
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editorComp = null; |
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repaint(cellRect); |
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} |
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/** |
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* 主函数 |
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* |
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* @param args 参数 |
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*/ |
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public static void main(String... args) { |
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JFrame f = new JFrame(); |
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JPanel c = (JPanel) f.getContentPane(); |
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c.setLayout(new BorderLayout()); |
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ListModelElement[] data = new ListModelElement[TEST_LIST_LENTH]; |
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for (int i = 0; i < TEST_LIST_LENTH; i++) { |
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data[i] = new ListModelElement(new NameObject(i + 1 + "", i)); |
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} |
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final UINameEdList list = new UINameEdList(data); |
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list.setEditable(true); |
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list.addMouseListener(new MouseAdapter() { |
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public void mouseReleased(MouseEvent evt) { |
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list.stopEditing(); |
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if (evt.getClickCount() >= 2 |
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&& SwingUtilities.isLeftMouseButton(evt)) { |
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list.editItemAt(list.getSelectedIndex()); |
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} |
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} |
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}) |
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; |
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list.setCellEditor(new DefaultListCellEditor(new UITextField())); |
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list.setCellRenderer(new NameableListCellRenderer()); |
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c.add(list, BorderLayout.CENTER); |
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f.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE); |
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f.setSize(400, 600); |
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f.setVisible(true); |
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} |
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private static class NameableListCellRenderer extends DefaultListCellRenderer { |
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@Override |
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public Component getListCellRendererComponent(JList list, Object value, int index, boolean isSelected, |
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boolean cellHasFocus) { |
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super.getListCellRendererComponent(list, value, index, isSelected, cellHasFocus); |
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if (value instanceof Nameable) { |
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Nameable wrappee = (Nameable) value; |
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this.setText(wrappee.getName()); |
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} |
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return this; |
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} |
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} |
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} |
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