forked from fanruan/design
pengda
3 years ago
11 changed files with 232 additions and 31 deletions
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package com.fr.design.gui.ilist; |
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import com.fr.design.event.StateChangeListener; |
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import com.fr.design.gui.icheckbox.UICheckBox; |
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import com.fr.design.gui.itree.checkboxtree.TristateCheckBox; |
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import com.fr.design.i18n.Toolkit; |
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import com.fr.design.layout.FRGUIPaneFactory; |
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import javax.swing.AbstractListModel; |
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import javax.swing.DefaultListCellRenderer; |
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import javax.swing.JList; |
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import javax.swing.JPanel; |
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import javax.swing.ListCellRenderer; |
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import java.awt.BorderLayout; |
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import java.awt.Component; |
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import java.awt.event.MouseAdapter; |
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import java.awt.event.MouseEvent; |
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import java.awt.event.MouseListener; |
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import java.util.List; |
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/** |
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* 支持全选、全不选、半选的CheckBoxList面板 |
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* @author Yvan |
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*/ |
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public class CheckBoxListWithPartialSelect extends JPanel { |
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private UICheckBox[] dataCheckBoxes; |
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private TristateCheckBox chooseAllCheckBox; |
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private UIList dataList; |
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public CheckBoxListWithPartialSelect (Object[] data) { |
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this.setLayout(FRGUIPaneFactory.createBorderLayout()); |
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init(data); |
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this.add(chooseAllCheckBox, BorderLayout.NORTH); |
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this.add(dataList, BorderLayout.CENTER); |
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} |
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private void init(Object[] data) { |
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// 复选框组
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dataCheckBoxes = new UICheckBox[data.length]; |
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for (int i = 0; i < dataCheckBoxes.length; i++) { |
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dataCheckBoxes[i] = new UICheckBox(transferDataValue2Show(data[i])); |
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dataCheckBoxes[i].setSelected(true); |
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} |
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// UIList
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dataList = new UIList(dataCheckBoxes); |
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dataList.setModel(getListModel()); |
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dataList.setCellRenderer(getListCellRenderer()); |
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// 全选框
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chooseAllCheckBox = new TristateCheckBox(Toolkit.i18nText("Fine-Design_Basic_Remove_All_Selected")); |
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chooseAllCheckBox.setState(TristateCheckBox.SELECTED); |
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chooseAllCheckBox.setFocusable(false); |
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chooseAllCheckBox.addStateChangeListener(getChooseAllCheckBoxStateChangeListener()); |
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dataList.addMouseListener(getDataListMouseListener()); |
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} |
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public List<Object> getSelectedObjects() { |
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return dataList.getSelectedValuesList(); |
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} |
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protected MouseListener getDataListMouseListener() { |
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return new MouseAdapter() { |
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@Override |
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public void mousePressed(MouseEvent e) { |
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super.mousePressed(e); |
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int index = dataList.getSelectedIndex(); |
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if (index < 0) { |
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return; |
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} |
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UICheckBox checkBox = (UICheckBox) dataList.getModel().getElementAt(index); |
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checkBox.setSelected(!checkBox.isSelected()); |
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//根据CheckBoxes中的选择情况来更新全选框的状态
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int selectedCount = calculateSelectedNum(); |
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if (selectedCount == 0) { |
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chooseAllCheckBox.setState(TristateCheckBox.NOT_SELECTED); |
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} else if (selectedCount == dataCheckBoxes.length) { |
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chooseAllCheckBox.setState(TristateCheckBox.SELECTED); |
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} else { |
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chooseAllCheckBox.setState(TristateCheckBox.DO_NOT_CARE); |
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} |
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dataList.repaint(); |
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} |
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}; |
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} |
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/** |
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* 获取全选框状态改变监听 |
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* @return |
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*/ |
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protected StateChangeListener getChooseAllCheckBoxStateChangeListener() { |
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return () -> { |
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if (chooseAllCheckBox.getState() == TristateCheckBox.DO_NOT_CARE) { |
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return; |
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} |
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boolean isSelected = chooseAllCheckBox.isSelected(); |
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for (int i = 0; i < dataList.getModel().getSize(); i++) { |
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UICheckBox checkBox = (UICheckBox) dataList.getModel().getElementAt(i); |
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checkBox.setSelected(isSelected); |
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} |
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dataList.repaint(); |
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}; |
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} |
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/** |
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* 计算CheckBox的选中情况，用来更新全选框的状态 |
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* @return |
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*/ |
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protected int calculateSelectedNum() { |
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int count = 0; |
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for (UICheckBox dataCheckBox : dataCheckBoxes) { |
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if (dataCheckBox.isSelected()) { |
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count++; |
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} |
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} |
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return count; |
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} |
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/** |
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* 将传入的Object转化为字符串展示，默认调用toString方法 |
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* @param object |
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* @return |
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*/ |
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protected String transferDataValue2Show(Object object) { |
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return object.toString(); |
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} |
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protected AbstractListModel getListModel() { |
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return new SelectedListDataModel(); |
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} |
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protected ListCellRenderer getListCellRenderer() { |
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return new SelectedListCellRender(); |
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} |
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private class SelectedListCellRender extends DefaultListCellRenderer { |
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@Override |
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public Component getListCellRendererComponent(JList list, Object value, int index, final boolean isSelected, boolean cellHasFocus) { |
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super.getListCellRendererComponent(list, value, index, isSelected, cellHasFocus); |
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dataCheckBoxes[index] = (UICheckBox) value; |
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dataCheckBoxes[index].setBackground(list.getBackground()); |
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return dataCheckBoxes[index]; |
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} |
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} |
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private class SelectedListDataModel extends AbstractListModel { |
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@Override |
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public int getSize() { |
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return dataCheckBoxes.length; |
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} |
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@Override |
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public Object getElementAt(int index) { |
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return (index > getSize() - 1 || index < 0) ? null : dataCheckBoxes[index]; |
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} |
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} |
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} |
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After Width: | Height: | Size: 1.2 KiB |
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After Width: | Height: | Size: 1.1 KiB |
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After Width: | Height: | Size: 1.0 KiB |
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