demo-background-quick-ui-provider/src/main/java/com/tptj/demo/hg/background/quick/ui/DemoPane.java

package com.tptj.demo.hg.background.quick.ui;

import com.fr.design.DesignerEnvManager;
import com.fr.design.event.UIObserverListener;
import com.fr.design.gui.icombobox.UIComboBox;
import com.fr.design.gui.ilable.UILabel;
import com.fr.design.layout.FRGUIPaneFactory;
import com.fr.design.layout.TableLayout;
import com.fr.design.layout.TableLayoutHelper;
import com.fr.design.mainframe.backgroundpane.BackgroundQuickPane;
import com.fr.general.Background;
import com.fr.invoke.Reflect;

import javax.swing.*;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
import java.awt.*;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import java.util.ArrayList;


public class DemoPane extends BackgroundQuickPane {

    private UIComboBox w_theme;
    private UIComboBox w_tag;

    public DemoPane(){
        w_theme = new UIComboBox( ThemeManager.getInstance().getThemes() );
        w_tag = new UIComboBox( ThemeManager.getInstance().getTags() );
        this.setLayout(FRGUIPaneFactory.createBorderLayout());
        JPanel pane = TableLayoutHelper.createTableLayoutPane(
                new Component[][]{{new UILabel("主题："),w_theme},{new UILabel("标签："),w_tag}},
                new double[]{TableLayout.PREFERRED,TableLayout.PREFERRED},
                new double[]{TableLayout.PREFERRED,TableLayout.PREFERRED}
        );
        ItemListener listener = new ItemListener() {
            @Override
            public void itemStateChanged(ItemEvent e) {
                change(w_theme.getSelectedItem().toString(),w_tag.getSelectedItem().toString());
            }
        };
        w_theme.addItemListener(listener);
        w_tag.addItemListener(listener);
        this.add(pane, BorderLayout.NORTH);
    }

    @Override
    /**
     *
     * @param background
     * @return 传入的background是否是DemoBackground
     */
    public boolean accept(Background background) {
        return background instanceof DemoBackground;
    }

    @Override
    public void populateBean(Background background) {
        DemoBackground item = (DemoBackground)background;
        w_theme.setSelectedItem(item.getTheme());
        w_tag.setSelectedItem(item.getTag());
    }

    @Override
    public Background updateBean() {
        DemoBackground item = new DemoBackground();
        item.setTheme( w_theme.getSelectedItem().toString() );
        item.setTag( w_tag.getSelectedItem().toString() );
        return item;
    }

    @Override
    public String title4PopupWindow() {
        return "Theme背景";
    }

    @Override
    public void reset() {
        w_theme.setSelectedIndex(0);
        w_tag.setSelectedIndex(0);
    }

    private ArrayList<ChangeListener> listeners = new ArrayList<ChangeListener>();

    private void change(String theme,String tag){
        if ( !listeners.isEmpty() ) {
            ChangeEvent evn = new ChangeEvent(this);
            for( ChangeListener listener : listeners ) {
                listener.stateChanged(evn);
            }
        }
        Color color =  ThemeManager.getInstance().getColor( theme, tag );
        if( null != color ){
            DesignerEnvManager.getEnvManager().getColorConfigManager().addToColorQueue(color);
            repaint();
        }
    }

    @Override
    public void registerChangeListener(UIObserverListener listener) {
        listeners.add(new ChangeListenerImpl(listener));
        System.out.println();
    }

    class ChangeListenerImpl implements ChangeListener {
        private UIObserverListener listener;

        public ChangeListenerImpl(UIObserverListener listener) {
            this.listener = listener;
        }

        public void stateChanged(ChangeEvent event) {
            Reflect.on(DemoPane.this).set("backgroundChange",true);
            this.listener.doChange();
            Reflect.on(DemoPane.this).set("backgroundChange",false);
        }
    }
}