Examples with DropTarget java.awt.dnd.DropTarget used on opensource projects

Example 6 with DropTarget

use of java.awt.dnd.DropTarget in project intellij-community by JetBrains.

the class XXXXX method initComponent.

private void initComponent() {
    myPanel.setLayout(new BorderLayout());
    myPanel.add(myHeaderPanel, BorderLayout.NORTH);
    myGutterComponent.setOpaque(true);
    myScrollPane.setViewportView(myEditorComponent);
    //myScrollPane.setBorder(null);
    myScrollPane.setVerticalScrollBarPolicy(ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS);
    myScrollPane.setHorizontalScrollBarPolicy(ScrollPaneConstants.HORIZONTAL_SCROLLBAR_AS_NEEDED);
    myScrollPane.setRowHeaderView(myGutterComponent);
    myEditorComponent.setTransferHandler(new MyTransferHandler());
    myEditorComponent.setAutoscrolls(true);
    if (mayShowToolbar()) {
        JLayeredPane layeredPane = new JBLayeredPane() {

            @Override
            public void doLayout() {
                final Component[] components = getComponents();
                final Rectangle r = getBounds();
                for (Component c : components) {
                    if (c instanceof JScrollPane) {
                        c.setBounds(0, 0, r.width, r.height);
                    } else {
                        final Dimension d = c.getPreferredSize();
                        final MyScrollBar scrollBar = getVerticalScrollBar();
                        c.setBounds(r.width - d.width - scrollBar.getWidth() - 30, 20, d.width, d.height);
                    }
                }
            }

            @Override
            public Dimension getPreferredSize() {
                return myScrollPane.getPreferredSize();
            }
        };
        layeredPane.add(myScrollPane, JLayeredPane.DEFAULT_LAYER);
        myPanel.add(layeredPane);
        new ContextMenuImpl(layeredPane, myScrollPane, this);
    } else {
        myPanel.add(myScrollPane);
    }
    myEditorComponent.addKeyListener(new KeyListener() {

        @Override
        public void keyPressed(KeyEvent e) {
            if (e.getKeyCode() >= KeyEvent.VK_A && e.getKeyCode() <= KeyEvent.VK_Z) {
                myCharKeyPressed = true;
            }
            KeyboardInternationalizationNotificationManager.showNotification();
        }

        @Override
        public void keyTyped(@NotNull KeyEvent event) {
            myNeedToSelectPreviousChar = false;
            if (event.isConsumed()) {
                return;
            }
            if (processKeyTyped(event)) {
                event.consume();
            }
        }

        @Override
        public void keyReleased(KeyEvent e) {
            myCharKeyPressed = false;
        }
    });
    MyMouseAdapter mouseAdapter = new MyMouseAdapter();
    myEditorComponent.addMouseListener(mouseAdapter);
    myGutterComponent.addMouseListener(mouseAdapter);
    MyMouseMotionListener mouseMotionListener = new MyMouseMotionListener();
    myEditorComponent.addMouseMotionListener(mouseMotionListener);
    myGutterComponent.addMouseMotionListener(mouseMotionListener);
    myEditorComponent.addFocusListener(new FocusAdapter() {

        @Override
        public void focusGained(@NotNull FocusEvent e) {
            myCaretCursor.activate();
            for (Caret caret : myCaretModel.getAllCarets()) {
                int caretLine = caret.getLogicalPosition().line;
                repaintLines(caretLine, caretLine);
            }
            fireFocusGained();
        }

        @Override
        public void focusLost(@NotNull FocusEvent e) {
            clearCaretThread();
            for (Caret caret : myCaretModel.getAllCarets()) {
                int caretLine = caret.getLogicalPosition().line;
                repaintLines(caretLine, caretLine);
            }
            fireFocusLost();
        }
    });
    UiNotifyConnector connector = new UiNotifyConnector(myEditorComponent, new Activatable.Adapter() {

        @Override
        public void showNotify() {
            myGutterComponent.updateSize();
        }
    });
    Disposer.register(getDisposable(), connector);
    try {
        final DropTarget dropTarget = myEditorComponent.getDropTarget();
        if (dropTarget != null) {
            // might be null in headless environment
            dropTarget.addDropTargetListener(new DropTargetAdapter() {

                @Override
                public void drop(@NotNull DropTargetDropEvent e) {
                }

                @Override
                public void dragOver(@NotNull DropTargetDragEvent e) {
                    Point location = e.getLocation();
                    getCaretModel().moveToLogicalPosition(getLogicalPositionForScreenPos(location.x, location.y, true));
                    getScrollingModel().scrollToCaret(ScrollType.RELATIVE);
                }
            });
        }
    } catch (TooManyListenersException e) {
        LOG.error(e);
    }
    myPanel.addComponentListener(new ComponentAdapter() {

        @Override
        public void componentResized(@NotNull ComponentEvent e) {
            myMarkupModel.recalcEditorDimensions();
            myMarkupModel.repaint(-1, -1);
        }
    });
}

Example 7 with DropTarget

use of java.awt.dnd.DropTarget in project intellij-community by JetBrains.

the class YYYYYYY method initComponent.

private void initComponent() {
    myPanel.setLayout(new BorderLayout());
    myPanel.add(myHeaderPanel, BorderLayout.NORTH);
    myGutterComponent.setOpaque(true);
    myScrollPane.setViewportView(myEditorComponent);
    //myScrollPane.setBorder(null);
    myScrollPane.setVerticalScrollBarPolicy(ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS);
    myScrollPane.setHorizontalScrollBarPolicy(ScrollPaneConstants.HORIZONTAL_SCROLLBAR_AS_NEEDED);
    myScrollPane.setRowHeaderView(myGutterComponent);
    myEditorComponent.setTransferHandler(new MyTransferHandler());
    myEditorComponent.setAutoscrolls(true);
    if (mayShowToolbar()) {
        JLayeredPane layeredPane = new JBLayeredPane() {

            @Override
            public void doLayout() {
                final Component[] components = getComponents();
                final Rectangle r = getBounds();
                for (Component c : components) {
                    if (c instanceof JScrollPane) {
                        c.setBounds(0, 0, r.width, r.height);
                    } else {
                        final Dimension d = c.getPreferredSize();
                        final MyScrollBar scrollBar = getVerticalScrollBar();
                        c.setBounds(r.width - d.width - scrollBar.getWidth() - 30, 20, d.width, d.height);
                    }
                }
            }

            @Override
            public Dimension getPreferredSize() {
                return myScrollPane.getPreferredSize();
            }
        };
        layeredPane.add(myScrollPane, JLayeredPane.DEFAULT_LAYER);
        myPanel.add(layeredPane);
        new ContextMenuImpl(layeredPane, myScrollPane, this);
    } else {
        myPanel.add(myScrollPane);
    }
    myEditorComponent.addKeyListener(new KeyListener() {

        @Override
        public void keyPressed(@NotNull KeyEvent e) {
            if (e.getKeyCode() >= KeyEvent.VK_A && e.getKeyCode() <= KeyEvent.VK_Z) {
                myCharKeyPressed = true;
            }
            KeyboardInternationalizationNotificationManager.showNotification();
        }

        @Override
        public void keyTyped(@NotNull KeyEvent event) {
            myNeedToSelectPreviousChar = false;
            if (event.isConsumed()) {
                return;
            }
            if (processKeyTyped(event)) {
                event.consume();
            }
        }

        @Override
        public void keyReleased(KeyEvent e) {
            myCharKeyPressed = false;
        }
    });
    MyMouseAdapter mouseAdapter = new MyMouseAdapter();
    myEditorComponent.addMouseListener(mouseAdapter);
    myGutterComponent.addMouseListener(mouseAdapter);
    MyMouseMotionListener mouseMotionListener = new MyMouseMotionListener();
    myEditorComponent.addMouseMotionListener(mouseMotionListener);
    myGutterComponent.addMouseMotionListener(mouseMotionListener);
    myEditorComponent.addFocusListener(new FocusAdapter() {

        @Override
        public void focusGained(@NotNull FocusEvent e) {
            myCaretCursor.activate();
            for (Caret caret : myCaretModel.getAllCarets()) {
                int caretLine = caret.getLogicalPosition().line;
                repaintLines(caretLine, caretLine);
            }
            fireFocusGained();
        }

        @Override
        public void focusLost(@NotNull FocusEvent e) {
            clearCaretThread();
            for (Caret caret : myCaretModel.getAllCarets()) {
                int caretLine = caret.getLogicalPosition().line;
                repaintLines(caretLine, caretLine);
            }
            fireFocusLost();
        }
    });
    UiNotifyConnector connector = new UiNotifyConnector(myEditorComponent, new Activatable.Adapter() {

        @Override
        public void showNotify() {
            myGutterComponent.updateSize();
        }
    });
    Disposer.register(getDisposable(), connector);
    try {
        final DropTarget dropTarget = myEditorComponent.getDropTarget();
        if (dropTarget != null) {
            // might be null in headless environment
            dropTarget.addDropTargetListener(new DropTargetAdapter() {

                @Override
                public void drop(@NotNull DropTargetDropEvent e) {
                }

                @Override
                public void dragOver(@NotNull DropTargetDragEvent e) {
                    Point location = e.getLocation();
                    getCaretModel().moveToLogicalPosition(getLogicalPositionForScreenPos(location.x, location.y, true));
                    getScrollingModel().scrollToCaret(ScrollType.RELATIVE);
                }
            });
        }
    } catch (TooManyListenersException e) {
        LOG.error(e);
    }
    myPanel.addComponentListener(new ComponentAdapter() {

        @Override
        public void componentResized(@NotNull ComponentEvent e) {
            myMarkupModel.recalcEditorDimensions();
            myMarkupModel.repaint(-1, -1);
        }
    });
}

Example 8 with DropTarget

use of java.awt.dnd.DropTarget in project intellij-community by JetBrains.

the class EditorImpl method initComponent.

private void initComponent() {
    myPanel.setLayout(new BorderLayout());
    myPanel.add(myHeaderPanel, BorderLayout.NORTH);
    myGutterComponent.setOpaque(true);
    myScrollPane.setViewportView(myEditorComponent);
    //myScrollPane.setBorder(null);
    myScrollPane.setVerticalScrollBarPolicy(ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS);
    myScrollPane.setHorizontalScrollBarPolicy(ScrollPaneConstants.HORIZONTAL_SCROLLBAR_AS_NEEDED);
    myScrollPane.setRowHeaderView(myGutterComponent);
    myEditorComponent.setTransferHandler(new MyTransferHandler());
    myEditorComponent.setAutoscrolls(true);
    if (mayShowToolbar()) {
        JLayeredPane layeredPane = new JBLayeredPane() {

            @Override
            public void doLayout() {
                final Component[] components = getComponents();
                final Rectangle r = getBounds();
                for (Component c : components) {
                    if (c instanceof JScrollPane) {
                        c.setBounds(0, 0, r.width, r.height);
                    } else {
                        final Dimension d = c.getPreferredSize();
                        int rightInsets = getVerticalScrollBar().getWidth() + (isMirrored() ? myGutterComponent.getWidth() : 0);
                        c.setBounds(r.width - d.width - rightInsets - 20, 20, d.width, d.height);
                    }
                }
            }

            @Override
            public Dimension getPreferredSize() {
                return myScrollPane.getPreferredSize();
            }
        };
        layeredPane.add(myScrollPane, JLayeredPane.DEFAULT_LAYER);
        myPanel.add(layeredPane);
        new ContextMenuImpl(layeredPane, myScrollPane, this);
    } else {
        myPanel.add(myScrollPane);
    }
    myEditorComponent.addKeyListener(new KeyListener() {

        @Override
        public void keyPressed(@NotNull KeyEvent e) {
            if (e.getKeyCode() >= KeyEvent.VK_A && e.getKeyCode() <= KeyEvent.VK_Z) {
                myCharKeyPressed = true;
            }
            KeyboardInternationalizationNotificationManager.showNotification();
        }

        @Override
        public void keyTyped(@NotNull KeyEvent event) {
            myNeedToSelectPreviousChar = false;
            if (event.isConsumed()) {
                return;
            }
            if (processKeyTyped(event)) {
                event.consume();
            }
        }

        @Override
        public void keyReleased(KeyEvent e) {
            myCharKeyPressed = false;
        }
    });
    myEditorComponent.addMouseListener(myMouseListener);
    myGutterComponent.addMouseListener(myMouseListener);
    myEditorComponent.addMouseMotionListener(myMouseMotionListener);
    myGutterComponent.addMouseMotionListener(myMouseMotionListener);
    myEditorComponent.addFocusListener(new FocusAdapter() {

        @Override
        public void focusGained(@NotNull FocusEvent e) {
            myCaretCursor.activate();
            for (Caret caret : myCaretModel.getAllCarets()) {
                int caretLine = caret.getLogicalPosition().line;
                repaintLines(caretLine, caretLine);
            }
            fireFocusGained();
        }

        @Override
        public void focusLost(@NotNull FocusEvent e) {
            clearCaretThread();
            for (Caret caret : myCaretModel.getAllCarets()) {
                int caretLine = caret.getLogicalPosition().line;
                repaintLines(caretLine, caretLine);
            }
            fireFocusLost();
        }
    });
    UiNotifyConnector connector = new UiNotifyConnector(myEditorComponent, new Activatable.Adapter() {

        @Override
        public void showNotify() {
            myGutterComponent.updateSizeOnShowNotify();
        }
    });
    Disposer.register(getDisposable(), connector);
    try {
        final DropTarget dropTarget = myEditorComponent.getDropTarget();
        if (dropTarget != null) {
            // might be null in headless environment
            dropTarget.addDropTargetListener(new DropTargetAdapter() {

                @Override
                public void drop(@NotNull DropTargetDropEvent e) {
                }

                @Override
                public void dragOver(@NotNull DropTargetDragEvent e) {
                    Point location = e.getLocation();
                    getCaretModel().moveToVisualPosition(getTargetPosition(location.x, location.y, true));
                    getScrollingModel().scrollToCaret(ScrollType.RELATIVE);
                    requestFocus();
                }
            });
        }
    } catch (TooManyListenersException e) {
        LOG.error(e);
    }
    // update area available for soft wrapping on component shown/hidden
    myPanel.addHierarchyListener(e -> mySoftWrapModel.getApplianceManager().updateAvailableArea());
    myPanel.addComponentListener(new ComponentAdapter() {

        @Override
        public void componentResized(@NotNull ComponentEvent e) {
            myMarkupModel.recalcEditorDimensions();
            myMarkupModel.repaint(-1, -1);
        }
    });
}

Example 9 with DropTarget

use of java.awt.dnd.DropTarget in project jdk8u_jdk by JetBrains.

the class Component method setDropTarget.

/**
     * Associate a <code>DropTarget</code> with this component.
     * The <code>Component</code> will receive drops only if it
     * is enabled.
     *
     * @see #isEnabled
     * @param dt The DropTarget
     */
public synchronized void setDropTarget(DropTarget dt) {
    if (dt == dropTarget || (dropTarget != null && dropTarget.equals(dt)))
        return;
    DropTarget old;
    if ((old = dropTarget) != null) {
        if (peer != null)
            dropTarget.removeNotify(peer);
        DropTarget t = dropTarget;
        dropTarget = null;
        try {
            t.setComponent(null);
        } catch (IllegalArgumentException iae) {
        // ignore it.
        }
    }
    if ((dropTarget = dt) != null) {
        try {
            dropTarget.setComponent(this);
            if (peer != null)
                dropTarget.addNotify(peer);
        } catch (IllegalArgumentException iae) {
            if (old != null) {
                try {
                    old.setComponent(this);
                    if (peer != null)
                        dropTarget.addNotify(peer);
                } catch (IllegalArgumentException iae1) {
                // ignore it!
                }
            }
        }
    }
}

Example 10 with DropTarget

use of java.awt.dnd.DropTarget in project jdk8u_jdk by JetBrains.

the class SunDropTargetContextPeer method processEnterMessage.

/**
     * actual processing on EventQueue Thread
     */
protected void processEnterMessage(SunDropTargetEvent event) {
    Component c = (Component) event.getSource();
    DropTarget dt = c.getDropTarget();
    Point hots = event.getPoint();
    local = getJVMLocalSourceTransferable();
    if (currentDTC != null) {
        // some wreckage from last time
        currentDTC.removeNotify();
        currentDTC = null;
    }
    if (c.isShowing() && dt != null && dt.isActive()) {
        currentDT = dt;
        currentDTC = currentDT.getDropTargetContext();
        currentDTC.addNotify(this);
        currentA = dt.getDefaultActions();
        try {
            ((DropTargetListener) dt).dragEnter(new DropTargetDragEvent(currentDTC, hots, currentDA, currentSA));
        } catch (Exception e) {
            e.printStackTrace();
            currentDA = DnDConstants.ACTION_NONE;
        }
    } else {
        currentDT = null;
        currentDTC = null;
        currentDA = DnDConstants.ACTION_NONE;
        currentSA = DnDConstants.ACTION_NONE;
        currentA = DnDConstants.ACTION_NONE;
    }
}