design/designer-base/src/main/java/com/fr/design/designer/TargetComponent.java

package com.fr.design.designer;

import com.fr.design.event.TargetModifiedEvent;
import com.fr.design.event.TargetModifiedListener;
import com.fr.design.mainframe.AuthorityEditPane;
import com.fr.design.mainframe.toolbar.ToolBarMenuDockPlus;
import com.fr.design.menu.MenuDef;
import com.fr.design.menu.ShortCut;
import com.fr.design.menu.ToolBarDef;
import com.fr.third.javax.annotation.Nullable;

import javax.swing.JComponent;
import javax.swing.JPanel;

/**
 * 模板设计界面
 */
public abstract class TargetComponent<T> extends JComponent {
    private T target;

    public TargetComponent(T t) {
        this.target = t;
    }

    public TargetComponent() {
    }

    // TODO ALEX_SEP JWorkBook不想有copy, paste, cut的操作,怎么办?
    public abstract void copy();

    public abstract boolean paste();

    public abstract boolean cut();

    public abstract void stopEditing();

    public T getTarget() {
        return target;
    }


    public abstract AuthorityEditPane createAuthorityEditPane();

    /**
     * 提供默认空实现。大部分子类不需要这个方法，覆写的莫名其妙的
     */
    @Nullable
    public ToolBarMenuDockPlus getToolBarMenuDockPlus() {
        return null;
    }

    public abstract int getMenuState();

    public abstract JPanel getEastUpPane();

    public abstract JPanel getEastDownPane();

    public abstract void cancelFormat();

    public void setTarget(T t) {
        if (t != null) {
            this.target = t;
        }
    }

    ///////////////////////////////////////Event Listener//////////////

    /**
     * Adds a <code>TargetModifiedListener</code> to the listener list.
     */
    public void addTargetModifiedListener(TargetModifiedListener targetModifiedListener) {
        this.listenerList.add(TargetModifiedListener.class, targetModifiedListener);
    }

    /**
     * Removes a <code>TargetModifiedListener</code> from the listener list.
     */
    public void removeTargetModifiedListener(TargetModifiedListener targetModifiedListener) {
        this.listenerList.remove(TargetModifiedListener.class, targetModifiedListener);
    }

    /**
     * Fire template modified listeners.
     */
    public void fireTargetModified() {
        // Guaranteed to return a non-null array
        Object[] listeners = listenerList.getListenerList();

        // Process the listeners last to first, notifying
        // those that are interested in this event
        for (int i = listeners.length - 2; i >= 0; i -= 2) {
            if (listeners[i] == TargetModifiedListener.class) {
                ((TargetModifiedListener) listeners[i + 1]).targetModified(new TargetModifiedEvent(this));
            }
        }

        this.repaint(30);
    }

    ///////////////////////////////////////ToolBarMenuDock//////////////
    public abstract ToolBarDef[] toolbars4Target();

    public abstract MenuDef[] menus4Target();

    public abstract ShortCut[] shortcut4TemplateMenu();

    public abstract ShortCut[] shortCuts4Authority();

    public abstract JComponent[] toolBarButton4Form();

    ///////////////////////////////////////EditingState//////////////

    public EditingState createEditingState() {
        return EditingState.NULL;
    }
}