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321 lines
10 KiB
321 lines
10 KiB
package com.fr.design.designer.beans.models; |
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import java.awt.LayoutManager; |
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import java.awt.Rectangle; |
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import java.awt.Toolkit; |
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import java.awt.event.MouseEvent; |
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import java.util.ArrayList; |
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import com.fr.design.designer.beans.AdapterBus; |
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import com.fr.design.designer.beans.LayoutAdapter; |
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import com.fr.design.designer.beans.events.DesignerEvent; |
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import com.fr.design.designer.beans.location.Direction; |
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import com.fr.design.designer.beans.location.Location; |
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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.form.util.XCreatorConstants; |
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import com.fr.design.mainframe.FormDesigner; |
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import com.fr.design.mainframe.FormSelection; |
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import com.fr.design.mainframe.FormSelectionUtils; |
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import com.fr.design.utils.gui.LayoutUtils; |
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import com.fr.stable.ArrayUtils; |
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/** |
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* 该model保存当前选择的组件和剪切版信息 |
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*/ |
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public class SelectionModel { |
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private static final int DELTA_X_Y = 20; //粘贴时候的偏移距离 |
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private static FormSelection CLIP_BOARD = new FormSelection(); |
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private FormDesigner designer; |
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private FormSelection selection; |
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private Rectangle hotspot_bounds; |
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public SelectionModel(FormDesigner designer) { |
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this.designer = designer; |
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selection = new FormSelection(); |
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} |
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/** |
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* 重置。清空formSelction以及选择区域 |
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*/ |
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public void reset() { |
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selection.reset(); |
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hotspot_bounds = null; |
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} |
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/** |
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* formSelction是否为空 |
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* @return 是否为空 |
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*/ |
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public static boolean isEmpty(){ |
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return CLIP_BOARD.isEmpty(); |
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} |
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/** |
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* 鼠标点击一下，所选中的单个组件。按下Ctrl或者shift键时鼠标可以进行多选 |
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* @param e 鼠标事件 |
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*/ |
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public void selectACreatorAtMouseEvent(MouseEvent e) { |
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if (!e.isControlDown() && !e.isShiftDown()) { |
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// 如果Ctrl或者Shift键盘没有按下，则清除已经选择的组件 |
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selection.reset(); |
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} |
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// 获取e所在的组件 |
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XCreator comp = designer.getComponentAt(e); |
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// 如果父层是scale和title两个专属容器，返回其父层，组件本身是不让被选中的 |
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if (comp != designer.getRootComponent() && comp != designer.getParaComponent()) { |
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XCreator parentContainer = (XCreator) comp.getParent(); |
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comp = parentContainer.isDedicateContainer() ? parentContainer : comp; |
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} |
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if (selection.removeSelectedCreator(comp) || selection.addSelectedCreator(comp)) { |
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designer.getEditListenerTable().fireCreatorModified(comp, DesignerEvent.CREATOR_SELECTED); |
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designer.repaint(); |
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} |
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} |
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/** |
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* 将所选组件剪切到剪切板上 |
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*/ |
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public void cutSelectedCreator2ClipBoard() { |
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if (hasSelectionComponent()) { |
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selection.cut2ClipBoard(CLIP_BOARD); |
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designer.getEditListenerTable().fireCreatorModified(DesignerEvent.CREATOR_CUTED); |
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designer.repaint(); |
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} |
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} |
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/** |
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* 复制当前选中的组件到剪切板 |
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*/ |
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public void copySelectedCreator2ClipBoard() { |
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if (!selection.isEmpty()) { |
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selection.copy2ClipBoard(CLIP_BOARD); |
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} |
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} |
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/** |
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* 从剪切板粘帖组件 |
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* @return 否 |
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*/ |
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public boolean pasteFromClipBoard() { |
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if (!CLIP_BOARD.isEmpty()) { |
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XLayoutContainer parent = null; |
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if (!hasSelectionComponent()) { |
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FormSelectionUtils.paste2Container(designer, designer.getRootComponent(),CLIP_BOARD, DELTA_X_Y, DELTA_X_Y); |
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} else { |
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parent = XCreatorUtils.getParentXLayoutContainer(selection.getSelectedCreator()); |
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if (parent != null) { |
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Rectangle rec = selection.getSelctionBounds(); |
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FormSelectionUtils.paste2Container(designer, parent,CLIP_BOARD, rec.x + DELTA_X_Y, rec.y + DELTA_X_Y); |
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} |
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} |
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} else { |
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Toolkit.getDefaultToolkit().beep(); |
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} |
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return false; |
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} |
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public FormSelection getSelection() { |
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return selection; |
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} |
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/** |
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* 删除当前所有选择的组件 |
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*/ |
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public void deleteSelection() { |
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XCreator[] roots = selection.getSelectedCreators(); |
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if (roots.length > 0) { |
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for (XCreator creator : roots) { |
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if(creator.acceptType(XWParameterLayout.class)){ |
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designer.removeParaComponent(); |
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} |
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removeCreatorFromContainer(creator, creator.getWidth(), creator.getHeight()); |
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creator.removeAll(); |
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// 清除被选中的组件 |
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selection.reset(); |
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} |
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setSelectedCreator(designer.getRootComponent()); |
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// 触发事件 |
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designer.getEditListenerTable().fireCreatorModified(DesignerEvent.CREATOR_DELETED); |
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designer.repaint(); |
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} |
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} |
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/** |
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* 从选择组件中删除某组件 |
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* |
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* @param creator 组件 |
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* @param creatorWidth 组件之前宽度 |
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* @param creatorHeight 组件之前高度 |
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*/ |
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public void removeCreator(XCreator creator, int creatorWidth, int creatorHeight) { |
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selection.removeCreator(creator); |
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removeCreatorFromContainer(creator, creatorWidth, creatorHeight); |
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designer.repaint(); |
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} |
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/** |
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* 设置选择区域 |
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*/ |
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public void setHotspotBounds(Rectangle rect) { |
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hotspot_bounds = rect; |
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} |
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/** |
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* 获得当前选择区域 |
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*/ |
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public Rectangle getHotspotBounds() { |
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return hotspot_bounds; |
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} |
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private void removeCreatorFromContainer(XCreator creator, int creatorWidth, int creatorHeight) { |
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XLayoutContainer parent = XCreatorUtils.getParentXLayoutContainer(creator); |
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if (parent == null) { |
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return; |
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} |
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boolean changeCreator = creator.shouldScaleCreator() || creator.hasTitleStyle(); |
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if (parent.acceptType(XWFitLayout.class) && changeCreator) { |
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creator = (XCreator) creator.getParent(); |
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} |
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parent.getLayoutAdapter().removeBean(creator, creatorWidth, creatorHeight); |
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// 删除其根组件，同时就删除了同时被选择的叶子组件 |
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parent.remove(creator); |
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LayoutManager layout = parent.getLayout(); |
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if (layout != null) { |
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// 刷新组件容器的布局 |
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LayoutUtils.layoutContainer(parent); |
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} |
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} |
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/** |
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* 是否有组件被选择。如果所选组件是最底层容器，也视为无选择 |
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* @return 是则返回true |
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*/ |
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public boolean hasSelectionComponent() { |
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return !selection.isEmpty() && selection.getSelectedCreator().getParent() != null; |
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} |
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/** |
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* 移动组件至指定位置 |
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* @param x 坐标x |
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* @param y 坐标y |
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*/ |
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public void move(int x, int y) { |
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for (XCreator creator : selection.getSelectedCreators()) { |
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creator.setLocation(creator.getX() + x, creator.getY() + y); |
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LayoutAdapter layoutAdapter = AdapterBus.searchLayoutAdapter(designer, creator); |
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if (layoutAdapter != null) { |
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layoutAdapter.fix(creator); |
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} |
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} |
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designer.getEditListenerTable().fireCreatorModified(selection.getSelectedCreator(), |
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DesignerEvent.CREATOR_SELECTED); |
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} |
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/** |
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* 释放捕获 |
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*/ |
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public void releaseDragging() { |
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designer.setPainter(null); |
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selection.fixCreator(designer); |
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designer.getEditListenerTable().fireCreatorModified(selection.getSelectedCreator(), |
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DesignerEvent.CREATOR_RESIZED); |
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} |
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public Direction getDirectionAt(MouseEvent e) { |
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Direction dir; |
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if (e.isControlDown() || e.isShiftDown()) { |
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XCreator creator = designer.getComponentAt(e.getX(), e.getY(), selection.getSelectedCreators()); |
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if (creator != designer.getRootComponent() && selection.addedable(creator)) { |
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return Location.add; |
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} |
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} |
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if (hasSelectionComponent()) { |
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int x = e.getX() + designer.getArea().getHorizontalValue(); |
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int y = e.getY() + designer.getArea().getVerticalValue(); |
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dir = getDirection(selection.getRelativeBounds(), x, y); |
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if (selection.size() == 1) { |
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if (!ArrayUtils.contains(selection.getSelectedCreator().getDirections(), dir.getActual())) { |
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dir = Location.outer; |
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} |
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} |
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} else { |
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dir = Location.outer; |
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} |
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if (designer.getDesignerMode().isFormParameterEditor() && dir == Location.outer) { |
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dir = designer.getLoc2Root(e); |
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} |
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return dir; |
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} |
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private Direction getDirection(Rectangle bounds, int x, int y) { |
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if (x < (bounds.x - XCreatorConstants.RESIZE_BOX_SIZ)) { |
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return Location.outer; |
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} else if ((x >= (bounds.x - XCreatorConstants.RESIZE_BOX_SIZ)) && (x <= bounds.x)) { |
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if (y < (bounds.y - XCreatorConstants.RESIZE_BOX_SIZ)) { |
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return Location.outer; |
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} else if ((y >= (bounds.y - XCreatorConstants.RESIZE_BOX_SIZ)) && (y <= bounds.y)) { |
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return Location.left_top; |
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} else if ((y > bounds.y) && (y < (bounds.y + bounds.height))) { |
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return Location.left; |
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} else if ((y >= (bounds.y + bounds.height)) |
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&& (y <= (bounds.y + bounds.height + XCreatorConstants.RESIZE_BOX_SIZ))) { |
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return Location.left_bottom; |
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} else { |
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return Location.outer; |
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} |
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} else if ((x > bounds.x) && (x < (bounds.x + bounds.width))) { |
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if (y < (bounds.y - XCreatorConstants.RESIZE_BOX_SIZ)) { |
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return Location.outer; |
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} else if ((y >= (bounds.y - XCreatorConstants.RESIZE_BOX_SIZ)) && (y <= bounds.y)) { |
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return Location.top; |
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} else if ((y > bounds.y) && (y < (bounds.y + bounds.height))) { |
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return Location.inner; |
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} else if ((y >= (bounds.y + bounds.height)) |
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&& (y <= (bounds.y + bounds.height + XCreatorConstants.RESIZE_BOX_SIZ))) { |
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return Location.bottom; |
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} else { |
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return Location.outer; |
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} |
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} else if ((x >= (bounds.x + bounds.width)) |
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&& (x <= (bounds.x + bounds.width + XCreatorConstants.RESIZE_BOX_SIZ))) { |
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if (y < (bounds.y - XCreatorConstants.RESIZE_BOX_SIZ)) { |
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return Location.outer; |
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} else if ((y >= (bounds.y - XCreatorConstants.RESIZE_BOX_SIZ)) && (y <= bounds.y)) { |
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return Location.right_top; |
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} else if ((y > bounds.y) && (y < (bounds.y + bounds.height))) { |
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return Location.right; |
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} else if ((y >= (bounds.y + bounds.height)) |
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&& (y <= (bounds.y + bounds.height + XCreatorConstants.RESIZE_BOX_SIZ))) { |
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return Location.right_bottom; |
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} else { |
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return Location.outer; |
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} |
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} else { |
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return Location.outer; |
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} |
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} |
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private void fireCreatorSelected() { |
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designer.getEditListenerTable().fireCreatorModified(selection.getSelectedCreator(), |
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DesignerEvent.CREATOR_SELECTED); |
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} |
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public void setSelectedCreator(XCreator rootComponent) { |
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selection.setSelectedCreator(rootComponent); |
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fireCreatorSelected(); |
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} |
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public void setSelectedCreators(ArrayList<XCreator> rebuildSelection) { |
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selection.setSelectedCreators(rebuildSelection); |
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fireCreatorSelected(); |
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} |
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} |