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294 lines
10 KiB
294 lines
10 KiB
package com.fr.design.mainframe; |
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import com.fr.base.BaseUtils; |
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import com.fr.design.designer.beans.AdapterBus; |
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import com.fr.design.designer.beans.HoverPainter; |
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import com.fr.design.designer.beans.Painter; |
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import com.fr.design.designer.beans.events.AddingWidgetListener; |
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import com.fr.design.designer.beans.models.DraggingModel; |
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import com.fr.design.designer.creator.XCreator; |
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import com.fr.design.designer.creator.XCreatorUtils; |
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import com.fr.design.designer.creator.XLayoutContainer; |
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import com.fr.design.designer.creator.XWFitLayout; |
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import com.fr.design.designer.creator.XWParameterLayout; |
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import com.fr.design.dialog.FineJOptionPane; |
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import com.fr.design.file.HistoryTemplateListPane; |
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import com.fr.design.form.util.XCreatorConstants; |
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import com.fr.design.gui.ibutton.UIButton; |
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import com.fr.design.icon.IconPathConstants; |
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import com.fr.design.utils.ComponentUtils; |
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import com.fr.log.FineLoggerFactory; |
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import com.fr.stable.Constants; |
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import javax.swing.BorderFactory; |
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import javax.swing.JOptionPane; |
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import javax.swing.JWindow; |
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import javax.swing.SwingUtilities; |
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import javax.swing.UIManager; |
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import java.awt.Color; |
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import java.awt.Component; |
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import java.awt.Point; |
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import java.awt.Rectangle; |
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import java.awt.dnd.DropTarget; |
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import java.awt.dnd.DropTargetDragEvent; |
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import java.awt.dnd.DropTargetDropEvent; |
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import java.awt.dnd.DropTargetEvent; |
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/** |
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* 添加模式下鼠标事件处理器。 |
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*/ |
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public class FormCreatorDropTarget extends DropTarget { |
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private FormDesigner designer; |
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/** |
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* 当前鼠标的设计组件 |
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*/ |
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private Component current; |
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private static final int GAP = 30; |
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private TabDragInner tabDragInner; |
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private XCreator creator; |
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private JWindow promptWindow = new JWindow(); |
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private UIButton promptButton = new UIButton("", BaseUtils.readIcon(IconPathConstants.FORBID_ICON_PATH)); |
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public FormCreatorDropTarget(FormDesigner designer, XCreator creator) { |
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this.designer = designer; |
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this.creator = creator; |
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this.promptWindow.add(promptButton); |
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this.tabDragInner = new TabDragInner(designer); |
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initAddingListener(); |
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} |
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private void initAddingListener() { |
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designer.getAddingWidgetListeners().addListener(new AddingWidgetListener() { |
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@Override |
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public void beforeAdded() { |
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tabDragInner.setTabEditable(); |
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} |
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@Override |
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public void afterAdded(boolean addResult) { |
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if (addResult) { |
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tabDragInner.reset(); |
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} else { |
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undoWhenAddingFailed(); |
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} |
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} |
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}); |
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} |
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private void entering(int x, int y) { |
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// 将要添加的组件图标移动到鼠标下的位置 |
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designer.updateDraggingPosition(x, y); |
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designer.repaint(); |
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} |
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private void exiting() { |
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cancelPromptWidgetForbidEnter(); |
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// 隐藏组件图标 |
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designer.resetDraggingPosition(); |
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designer.clearDropTarget(); |
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designer.setPainter(null); |
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designer.repaint(); |
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} |
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private void hovering(int x, int y) { |
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// 当前位置移植鼠标e所在的位置 |
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designer.updateDraggingPosition(x, y); |
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// 获取e所在的焦点组件 |
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XCreator hotspot = designer.getComponentAt(x, y); |
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// 获取焦点组件所在的焦点容器 |
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XLayoutContainer container = XCreatorUtils.getHotspotContainer(hotspot); |
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//提示组件是否可以拖入 |
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promptUser(x, y, container); |
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if (container != null) { |
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dealWithContainer(x, y, container); |
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} else { |
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// 如果鼠标不在任何组件上，则取消提示器 |
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designer.setPainter(null); |
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current = null; |
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} |
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designer.repaint(); |
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} |
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private void dealWithContainer(int x, int y, XLayoutContainer container) { |
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HoverPainter painter = null; |
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if (container != current || designer.getPainter() == null) { |
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// 如果焦点容器不是当前容器 |
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if (current != null) { |
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// 取消前一个焦点容器的提示渲染器 |
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designer.setPainter(null); |
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} |
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if (container == null) { |
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throw new IllegalArgumentException("container can not be null!"); |
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} |
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//获取painter的时候要考虑布局之间嵌套的问题 |
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XLayoutContainer xLayoutContainer = XCreatorUtils.getTopEditableContainer(container); |
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painter = AdapterBus.getContainerPainter(designer, |
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xLayoutContainer != null ? xLayoutContainer : container); |
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// 为界面设计器设置提示渲染提示器 |
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designer.setPainter(painter); |
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// 将当前容器更新为新的容器 |
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current = container; |
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} else { |
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// 获取当前设计界面的提示渲染器 |
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Painter p = designer.getPainter(); |
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if (p instanceof HoverPainter) { |
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painter = (HoverPainter) p; |
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} |
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} |
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if (painter != null) { |
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XLayoutContainer xLayoutContainer = XCreatorUtils.getTopEditableContainer(container); |
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// 为提示渲染器设置焦点位置、区域等渲染参数 |
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Rectangle rect = ComponentUtils.getRelativeBounds(xLayoutContainer != null ? xLayoutContainer : container); |
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rect.x -= designer.getArea().getHorizontalValue(); |
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rect.y -= designer.getArea().getVerticalValue(); |
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painter.setRenderingBounds(rect); |
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painter.setHotspot(new Point(x, y)); |
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painter.setCreator(creator); |
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} |
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} |
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private void promptUser(int x, int y, XLayoutContainer container) { |
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if (!creator.canEnterIntoParaPane() && container.acceptType(XWParameterLayout.class)) { |
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promptButton.setText(com.fr.design.i18n.Toolkit.i18nText("Fine-Design_Form_Forbid_Drag_Into_Para_Pane")); |
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promptWidgetForbidEnter(x, y, container); |
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} else if (!creator.canEnterIntoAdaptPane() && container.acceptType(XWFitLayout.class)) { |
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promptButton.setText(com.fr.design.i18n.Toolkit.i18nText("Fine-Design_Form_Forbid_Drag_Into_Adapt_Pane")); |
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promptWidgetForbidEnter(x, y, container); |
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} else { |
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cancelPromptWidgetForbidEnter(); |
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} |
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} |
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private void promptWidgetForbidEnter(int x, int y, XLayoutContainer container) { |
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container.setBorder(BorderFactory.createLineBorder(Color.RED, Constants.LINE_MEDIUM)); |
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int screenX = designer.getArea().getLocationOnScreen().x; |
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int screenY = designer.getArea().getLocationOnScreen().y; |
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promptWindow.setLocation(screenX + x + GAP, screenY + y + GAP); |
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promptWindow.setVisible(true); |
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} |
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private void cancelPromptWidgetForbidEnter() { |
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if (designer.getParaComponent() != null) { |
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designer.getParaComponent().setBorder(BorderFactory.createLineBorder(XCreatorConstants.LAYOUT_SEP_COLOR, Constants.LINE_THIN)); |
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} |
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designer.getRootComponent().setBorder(BorderFactory.createLineBorder(XCreatorConstants.LAYOUT_SEP_COLOR, Constants.LINE_THIN)); |
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promptWindow.setVisible(false); |
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} |
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/** |
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* 拖拽进入 |
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* |
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* @param dtde 事件 |
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*/ |
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@Override |
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public synchronized void dragEnter(DropTargetDragEvent dtde) { |
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Point loc = dtde.getLocation(); |
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this.entering(designer.getRelativeX(loc.x), designer.getRelativeY(loc.y)); |
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} |
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/** |
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* 拖拽移动经过 |
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* |
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* @param dtde 事件 |
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*/ |
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@Override |
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public synchronized void dragOver(DropTargetDragEvent dtde) { |
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Point loc = dtde.getLocation(); |
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int x = designer.getRelativeX(loc.x); |
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int y = designer.getRelativeY(loc.y); |
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hovering(x, y); |
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tabDragInner.setTabDragInAble(designer.getComponentAt(x, y), x, y); |
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XLayoutContainer parent = XCreatorUtils.getParentXLayoutContainer(creator); |
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if (parent!= null && parent.getLayoutAdapter()!=null){ |
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parent.getLayoutAdapter().dragOver(creator, designer.getSelectionModel(), x, y); |
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} |
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// 触发状态添加模式事件 |
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designer.repaint(); |
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} |
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/** |
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* 拖拽事件 |
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* |
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* @param dtde 事件 |
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*/ |
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@Override |
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public synchronized void dropActionChanged(DropTargetDragEvent dtde) { |
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//do nothing |
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} |
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/** |
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* 拖拽离开 |
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* |
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* @param dte 事件 |
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*/ |
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@Override |
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public synchronized void dragExit(DropTargetEvent dte) { |
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this.exiting(); |
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} |
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/** |
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* 拖拽释放 |
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* |
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* @param dtde 事件 |
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*/ |
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@Override |
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public synchronized void drop(DropTargetDropEvent dtde) { |
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try { |
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dropXCreator(dtde); |
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} catch (Exception e) { |
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FineLoggerFactory.getLogger().error(e.getMessage(), e); |
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if (creator.isShared()) { |
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FineJOptionPane.showMessageDialog(DesignerContext.getDesignerFrame(), |
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com.fr.design.i18n.Toolkit.i18nText("Fine-Design_Share_Drag_Component_Error_Info"), |
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com.fr.design.i18n.Toolkit.i18nText("Fine-Design_Basic_Error"), |
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JOptionPane.ERROR_MESSAGE, |
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UIManager.getIcon("OptionPane.errorIcon") |
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); |
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} |
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dtde.rejectDrop(); |
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} |
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designer.stopDragging(); |
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designer.clearDropTarget(); |
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} |
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private void dropXCreator(DropTargetDropEvent dtde) { |
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DraggingModel model = designer.getDraggingModel(); |
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if (model != null) { |
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cancelPromptWidgetForbidEnter(); |
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Point loc = dtde.getLocation(); |
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int x = designer.getRelativeX(loc.x); |
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int y = designer.getRelativeY(loc.y); |
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designer.addWidgetToForm(creator, x, y); |
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// 放到事件末尾执行 |
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SwingUtilities.invokeLater(new Runnable() { |
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@Override |
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public void run() { |
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// 拖拽释放后标记未选中 |
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for (XCreator xCreator : designer.getSelectionModel().getSelection().getSelectedCreators()) { |
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xCreator.setSelected(true); |
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} |
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} |
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}); |
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//针对在表单中拖入一个控件直接ctrl+s无反应 |
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designer.requestFocus(); |
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} |
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} |
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public TabDragInner getTabDragInner() { |
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return this.tabDragInner; |
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} |
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private void undoWhenAddingFailed() { |
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JTemplate<?, ?> jt = HistoryTemplateListPane.getInstance().getCurrentEditingTemplate(); |
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if (jt != null) { |
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jt.undoToCurrent(); |
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} |
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} |
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}
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