eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/editors/draw9patch/ui/StatusPanel.java - platform/sdk - Git at Google

 /*
  * Copyright (C) 2013 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *      http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */

 package com.android.ide.eclipse.adt.internal.editors.draw9patch.ui;

 import com.android.ide.eclipse.adt.AdtPlugin;

 import org.eclipse.swt.SWT;
 import org.eclipse.swt.events.ControlEvent;
 import org.eclipse.swt.events.ControlListener;
 import org.eclipse.swt.events.KeyEvent;
 import org.eclipse.swt.events.KeyListener;
 import org.eclipse.swt.events.SelectionAdapter;
 import org.eclipse.swt.events.SelectionEvent;
 import org.eclipse.swt.graphics.Color;
 import org.eclipse.swt.graphics.Point;
 import org.eclipse.swt.layout.FormAttachment;
 import org.eclipse.swt.layout.FormData;
 import org.eclipse.swt.layout.FormLayout;
 import org.eclipse.swt.layout.GridLayout;
 import org.eclipse.swt.widgets.Button;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Label;
 import org.eclipse.swt.widgets.Scale;

 /**
  * Status and control pane.
  */
 public class StatusPanel extends Composite implements KeyListener {

     public static final int SCALE_MIN = 2;
     public static final int SCALE_MAX = 6;

     public static final int ZOOM_MIN = 100;
     public static final int ZOOM_MAX = 800;

     public static final int PADDING_TOP = 12;
     public static final int PADDING_RIGHT = 0;
     public static final int PADDING_BOTTOM = 5;
     public static final int PADDING_LEFT = 10;

     public static final int MIN_WIDTH = 800;

     private Button mShowLock = null;
     private Button mShowPatches = null;
     private Button mShowBadPatches = null;
     private Button mShowContent = null;

     private Label mHelpLabel = null;

     private Label mXPosLabel = null;
     private Label mYPosLabel = null;

     private ZoomControl mZoomControl = null;
     private ZoomControl mScaleControl = null;

     private StatusChangedListener mListener = null;

     public void setStatusChangedListener(StatusChangedListener l) {
         mListener = l;
     }

     public void setHelpText(String text) {
         Point size = getSize();
         // check window width
         if (MIN_WIDTH < size.x) {
             mHelpLabel.setText(text);
             mHelpLabel.setVisible(true);
         } else {
             mHelpLabel.setText("N/A");
             mHelpLabel.setVisible(false);
         }
     }

     /**
      * Set mouse cursor position.
      */
     public void setPosition(int x, int y) {
         mXPosLabel.setText(String.format("X:  %4d px", x));
         mYPosLabel.setText(String.format("Y:  %4d px", y));
     }

     public StatusPanel(Composite parent, int style) {
         super(parent, style);
         setLayout(new FormLayout());

         final Composite container = new Composite(this, SWT.NULL);
         container.setLayout(new FormLayout());

         FormData innerForm = new FormData();
         innerForm.left = new FormAttachment(0, PADDING_LEFT);
         innerForm.top = new FormAttachment(0, PADDING_TOP);
         innerForm.right = new FormAttachment(100, PADDING_RIGHT);
         innerForm.bottom = new FormAttachment(100, -PADDING_BOTTOM);
         container.setLayoutData(innerForm);

         buildPosition(container);

         Composite zoomPanels = new Composite(container, SWT.NULL);
         zoomPanels.setLayout(new GridLayout(3, false));

         buildZoomControl(zoomPanels);
         buildScaleControl(zoomPanels);

         Composite checkPanel = new Composite(container, SWT.NULL);
         checkPanel.setLayout(new GridLayout(2, false));
         FormData checkPanelForm = new FormData();
         checkPanelForm.left = new FormAttachment(zoomPanels, 0);
         checkPanelForm.bottom = new FormAttachment(100, -PADDING_BOTTOM);
         checkPanel.setLayoutData(checkPanelForm);

         buildCheckboxes(checkPanel);

         mHelpLabel = new Label(container, SWT.BORDER_SOLID | SWT.BOLD | SWT.WRAP);
         mHelpLabel.setBackground(new Color(AdtPlugin.getDisplay(), 0xFF, 0xFF, 0xFF));
         FormData hintForm = new FormData();
         hintForm.left = new FormAttachment(checkPanel, 5);
         hintForm.right = new FormAttachment(mXPosLabel, -10);
         hintForm.top = new FormAttachment(PADDING_TOP);
         hintForm.bottom = new FormAttachment(100, -PADDING_BOTTOM);
         mHelpLabel.setLayoutData(hintForm);

         /*
          * If the window width is not much, the "help label" will break the window.
          * Because that is wrapped automatically.
          *
          * This listener catch resized events and reset help text.
          *
          * setHelpText method checks window width.
          * If window is too narrow, help text will be set invisible.
          */
         container.addControlListener(new ControlListener() {
             @Override
             public void controlResized(ControlEvent event) {
                 // reset text
                 setHelpText(ImageViewer.HELP_MESSAGE_KEY_TIPS);
             }
             @Override
             public void controlMoved(ControlEvent event) {
             }
         });

     }

     private void buildPosition(Composite parent) {
         mXPosLabel = new Label(parent, SWT.NULL);
         mYPosLabel = new Label(parent, SWT.NULL);

         mXPosLabel.setText(String.format("X:  %4d px", 1000));
         mYPosLabel.setText(String.format("Y:  %4d px", 1000));

         FormData bottomRight = new FormData();
         bottomRight.bottom = new FormAttachment(100, 0);
         bottomRight.right = new FormAttachment(100, 0);
         mYPosLabel.setLayoutData(bottomRight);

         FormData aboveYPosLabel = new FormData();
         aboveYPosLabel.bottom = new FormAttachment(mYPosLabel);
         aboveYPosLabel.right = new FormAttachment(100, 0);
         mXPosLabel.setLayoutData(aboveYPosLabel);
     }

     private void buildScaleControl(Composite parent) {
         mScaleControl = new ZoomControl(parent);
         mScaleControl.maxLabel.setText("6x");
         mScaleControl.minLabel.setText("2x");
         mScaleControl.scale.setMinimum(SCALE_MIN);
         mScaleControl.scale.setMaximum(SCALE_MAX);
         mScaleControl.scale.setSelection(2);
         mScaleControl.scale.addSelectionListener(new SelectionAdapter() {
             @Override
             public void widgetSelected(SelectionEvent event) {
                 super.widgetSelected(event);
                 if (mListener != null) {
                     Scale scale = (Scale) event.widget;
                     mListener.scaleChanged(scale.getSelection());
                 }
             }
         });
     }

     private void buildZoomControl(Composite parent) {
         mZoomControl = new ZoomControl(parent);
         mZoomControl.maxLabel.setText("800%");
         mZoomControl.minLabel.setText("100%");
         mZoomControl.scale.setMinimum(ZOOM_MIN);
         mZoomControl.scale.setMaximum(ZOOM_MAX - ZOOM_MIN);
         mZoomControl.scale.setSelection(400);
         mZoomControl.scale.addSelectionListener(new SelectionAdapter() {
             @Override
             public void widgetSelected(SelectionEvent event) {
                 super.widgetSelected(event);
                 if (mListener != null) {
                     Scale scale = (Scale) event.widget;
                     mListener.zoomChanged(scale.getSelection() + ZOOM_MIN);
                 }
             }
         });

     }

     private void buildCheckboxes(Composite parent) {
         // check lock
         mShowLock = new Button(parent, SWT.CHECK);
         mShowLock.setText("show Lock");
         mShowLock.setSelection(true);
         mShowLock.addSelectionListener(new SelectionAdapter() {
             @Override
             public void widgetSelected(SelectionEvent event) {
                 super.widgetSelected(event);
                 if (mListener != null) {
                     mListener.lockVisibilityChanged(mShowLock.getSelection());
                 }
             }
         });

         // check patches
         mShowPatches = new Button(parent, SWT.CHECK);
         mShowPatches.setText("show Patches");
         mShowPatches.addSelectionListener(new SelectionAdapter() {
             @Override
             public void widgetSelected(SelectionEvent event) {
                 super.widgetSelected(event);
                 if (mListener != null) {
                     mListener.patchesVisibilityChanged(mShowPatches.getSelection());
                 }
             }
         });

         // check patches
         mShowBadPatches = new Button(parent, SWT.CHECK);
         mShowBadPatches.setText("show Bad patches");
         mShowBadPatches.addSelectionListener(new SelectionAdapter() {
             @Override
             public void widgetSelected(SelectionEvent event) {
                 super.widgetSelected(event);
                 if (mListener != null) {
                     mListener.badPatchesVisibilityChanged(mShowBadPatches.getSelection());
                 }
             }
         });

         // check contents(padding)
         mShowContent = new Button(parent, SWT.CHECK);
         mShowContent.setText("show Contents");
         mShowContent.addSelectionListener(new SelectionAdapter() {
             @Override
             public void widgetSelected(SelectionEvent event) {
                 super.widgetSelected(event);
                 if (mListener != null) {
                     mListener.contentAreaVisibilityChanged(mShowContent.getSelection());
                 }
             }
         });
     }

     @Override
     public void keyPressed(KeyEvent event) {
         switch (event.character) {
             case 'c':
                 mShowContent.setSelection(!mShowContent.getSelection());
                 if (mListener != null) {
                     mListener.contentAreaVisibilityChanged(mShowContent.getSelection());
                 }
                 break;
             case 'l':
                 mShowLock.setSelection(!mShowLock.getSelection());
                 if (mListener != null) {
                     mListener.lockVisibilityChanged(mShowLock.getSelection());
                 }
                 break;
             case 'p':
                 mShowPatches.setSelection(!mShowPatches.getSelection());
                 if (mListener != null) {
                     mListener.patchesVisibilityChanged(mShowPatches.getSelection());
                 }
                 break;
             case 'b':
                 mShowBadPatches.setSelection(!mShowBadPatches.getSelection());
                 if (mListener != null) {
                     mListener.badPatchesVisibilityChanged(mShowBadPatches.getSelection());
                 }
                 break;
         }
     }

     @Override
     public void keyReleased(KeyEvent event) {
     }

     private static class ZoomControl {

         private Label minLabel;
         private Label maxLabel;
         Scale scale;

         public ZoomControl(Composite composite) {
             minLabel = new Label(composite, SWT.RIGHT);
             scale = new Scale(composite, SWT.HORIZONTAL);
             maxLabel = new Label(composite, SWT.LEFT);
         }
     }

     /**
      * Status changed events listener.
      */
     public interface StatusChangedListener {
         /**
          * Zoom level has been changed.
          * @param zoom
          */
         public void zoomChanged(int zoom);

         /**
          * Scale has been changed.
          * @param scale
          */
         public void scaleChanged(int scale);

         /**
          * Lock visibility has been changed.
          * @param visible
          */
         public void lockVisibilityChanged(boolean visible);

         /**
          * Patches visibility has been changed.
          * @param visible
          */
         public void patchesVisibilityChanged(boolean visible);

         /**
          * BadPatches visibility has been changed.
          * @param visible
          */
         public void badPatchesVisibilityChanged(boolean visible);

         /**
          * Content visibility has been changed.
          * @param visible
          */
         public void contentAreaVisibilityChanged(boolean visible);
     }
 }
	/*
	* Copyright (C) 2013 The Android Open Source Project
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/

	package com.android.ide.eclipse.adt.internal.editors.draw9patch.ui;

	import com.android.ide.eclipse.adt.AdtPlugin;

	import org.eclipse.swt.SWT;
	import org.eclipse.swt.events.ControlEvent;
	import org.eclipse.swt.events.ControlListener;
	import org.eclipse.swt.events.KeyEvent;
	import org.eclipse.swt.events.KeyListener;
	import org.eclipse.swt.events.SelectionAdapter;
	import org.eclipse.swt.events.SelectionEvent;
	import org.eclipse.swt.graphics.Color;
	import org.eclipse.swt.graphics.Point;
	import org.eclipse.swt.layout.FormAttachment;
	import org.eclipse.swt.layout.FormData;
	import org.eclipse.swt.layout.FormLayout;
	import org.eclipse.swt.layout.GridLayout;
	import org.eclipse.swt.widgets.Button;
	import org.eclipse.swt.widgets.Composite;
	import org.eclipse.swt.widgets.Label;
	import org.eclipse.swt.widgets.Scale;

	/**
	* Status and control pane.
	*/
	public class StatusPanel extends Composite implements KeyListener {

	public static final int SCALE_MIN = 2;
	public static final int SCALE_MAX = 6;

	public static final int ZOOM_MIN = 100;
	public static final int ZOOM_MAX = 800;

	public static final int PADDING_TOP = 12;
	public static final int PADDING_RIGHT = 0;
	public static final int PADDING_BOTTOM = 5;
	public static final int PADDING_LEFT = 10;

	public static final int MIN_WIDTH = 800;

	private Button mShowLock = null;
	private Button mShowPatches = null;
	private Button mShowBadPatches = null;
	private Button mShowContent = null;

	private Label mHelpLabel = null;

	private Label mXPosLabel = null;
	private Label mYPosLabel = null;

	private ZoomControl mZoomControl = null;
	private ZoomControl mScaleControl = null;

	private StatusChangedListener mListener = null;

	public void setStatusChangedListener(StatusChangedListener l) {
	mListener = l;
	}

	public void setHelpText(String text) {
	Point size = getSize();
	// check window width
	if (MIN_WIDTH < size.x) {
	mHelpLabel.setText(text);
	mHelpLabel.setVisible(true);
	} else {
	mHelpLabel.setText("N/A");
	mHelpLabel.setVisible(false);
	}
	}

	/**
	* Set mouse cursor position.
	*/
	public void setPosition(int x, int y) {
	mXPosLabel.setText(String.format("X: %4d px", x));
	mYPosLabel.setText(String.format("Y: %4d px", y));
	}

	public StatusPanel(Composite parent, int style) {
	super(parent, style);
	setLayout(new FormLayout());

	final Composite container = new Composite(this, SWT.NULL);
	container.setLayout(new FormLayout());

	FormData innerForm = new FormData();
	innerForm.left = new FormAttachment(0, PADDING_LEFT);
	innerForm.top = new FormAttachment(0, PADDING_TOP);
	innerForm.right = new FormAttachment(100, PADDING_RIGHT);
	innerForm.bottom = new FormAttachment(100, -PADDING_BOTTOM);
	container.setLayoutData(innerForm);

	buildPosition(container);

	Composite zoomPanels = new Composite(container, SWT.NULL);
	zoomPanels.setLayout(new GridLayout(3, false));

	buildZoomControl(zoomPanels);
	buildScaleControl(zoomPanels);

	Composite checkPanel = new Composite(container, SWT.NULL);
	checkPanel.setLayout(new GridLayout(2, false));
	FormData checkPanelForm = new FormData();
	checkPanelForm.left = new FormAttachment(zoomPanels, 0);
	checkPanelForm.bottom = new FormAttachment(100, -PADDING_BOTTOM);
	checkPanel.setLayoutData(checkPanelForm);

	buildCheckboxes(checkPanel);

	mHelpLabel = new Label(container, SWT.BORDER_SOLID \| SWT.BOLD \| SWT.WRAP);
	mHelpLabel.setBackground(new Color(AdtPlugin.getDisplay(), 0xFF, 0xFF, 0xFF));
	FormData hintForm = new FormData();
	hintForm.left = new FormAttachment(checkPanel, 5);
	hintForm.right = new FormAttachment(mXPosLabel, -10);
	hintForm.top = new FormAttachment(PADDING_TOP);
	hintForm.bottom = new FormAttachment(100, -PADDING_BOTTOM);
	mHelpLabel.setLayoutData(hintForm);

	/*
	* If the window width is not much, the "help label" will break the window.
	* Because that is wrapped automatically.
	*
	* This listener catch resized events and reset help text.
	*
	* setHelpText method checks window width.
	* If window is too narrow, help text will be set invisible.
	*/
	container.addControlListener(new ControlListener() {
	@Override
	public void controlResized(ControlEvent event) {
	// reset text
	setHelpText(ImageViewer.HELP_MESSAGE_KEY_TIPS);
	}
	@Override
	public void controlMoved(ControlEvent event) {
	}
	});

	}

	private void buildPosition(Composite parent) {
	mXPosLabel = new Label(parent, SWT.NULL);
	mYPosLabel = new Label(parent, SWT.NULL);

	mXPosLabel.setText(String.format("X: %4d px", 1000));
	mYPosLabel.setText(String.format("Y: %4d px", 1000));

	FormData bottomRight = new FormData();
	bottomRight.bottom = new FormAttachment(100, 0);
	bottomRight.right = new FormAttachment(100, 0);
	mYPosLabel.setLayoutData(bottomRight);

	FormData aboveYPosLabel = new FormData();
	aboveYPosLabel.bottom = new FormAttachment(mYPosLabel);
	aboveYPosLabel.right = new FormAttachment(100, 0);
	mXPosLabel.setLayoutData(aboveYPosLabel);
	}

	private void buildScaleControl(Composite parent) {
	mScaleControl = new ZoomControl(parent);
	mScaleControl.maxLabel.setText("6x");
	mScaleControl.minLabel.setText("2x");
	mScaleControl.scale.setMinimum(SCALE_MIN);
	mScaleControl.scale.setMaximum(SCALE_MAX);
	mScaleControl.scale.setSelection(2);
	mScaleControl.scale.addSelectionListener(new SelectionAdapter() {
	@Override
	public void widgetSelected(SelectionEvent event) {
	super.widgetSelected(event);
	if (mListener != null) {
	Scale scale = (Scale) event.widget;
	mListener.scaleChanged(scale.getSelection());
	}
	}
	});
	}

	private void buildZoomControl(Composite parent) {
	mZoomControl = new ZoomControl(parent);
	mZoomControl.maxLabel.setText("800%");
	mZoomControl.minLabel.setText("100%");
	mZoomControl.scale.setMinimum(ZOOM_MIN);
	mZoomControl.scale.setMaximum(ZOOM_MAX - ZOOM_MIN);
	mZoomControl.scale.setSelection(400);
	mZoomControl.scale.addSelectionListener(new SelectionAdapter() {
	@Override
	public void widgetSelected(SelectionEvent event) {
	super.widgetSelected(event);
	if (mListener != null) {
	Scale scale = (Scale) event.widget;
	mListener.zoomChanged(scale.getSelection() + ZOOM_MIN);
	}
	}
	});

	}

	private void buildCheckboxes(Composite parent) {
	// check lock
	mShowLock = new Button(parent, SWT.CHECK);
	mShowLock.setText("show Lock");
	mShowLock.setSelection(true);
	mShowLock.addSelectionListener(new SelectionAdapter() {
	@Override
	public void widgetSelected(SelectionEvent event) {
	super.widgetSelected(event);
	if (mListener != null) {
	mListener.lockVisibilityChanged(mShowLock.getSelection());
	}
	}
	});

	// check patches
	mShowPatches = new Button(parent, SWT.CHECK);
	mShowPatches.setText("show Patches");
	mShowPatches.addSelectionListener(new SelectionAdapter() {
	@Override
	public void widgetSelected(SelectionEvent event) {
	super.widgetSelected(event);
	if (mListener != null) {
	mListener.patchesVisibilityChanged(mShowPatches.getSelection());
	}
	}
	});

	// check patches
	mShowBadPatches = new Button(parent, SWT.CHECK);
	mShowBadPatches.setText("show Bad patches");
	mShowBadPatches.addSelectionListener(new SelectionAdapter() {
	@Override
	public void widgetSelected(SelectionEvent event) {
	super.widgetSelected(event);
	if (mListener != null) {
	mListener.badPatchesVisibilityChanged(mShowBadPatches.getSelection());
	}
	}
	});

	// check contents(padding)
	mShowContent = new Button(parent, SWT.CHECK);
	mShowContent.setText("show Contents");
	mShowContent.addSelectionListener(new SelectionAdapter() {
	@Override
	public void widgetSelected(SelectionEvent event) {
	super.widgetSelected(event);
	if (mListener != null) {
	mListener.contentAreaVisibilityChanged(mShowContent.getSelection());
	}
	}
	});
	}

	@Override
	public void keyPressed(KeyEvent event) {
	switch (event.character) {
	case 'c':
	mShowContent.setSelection(!mShowContent.getSelection());
	if (mListener != null) {
	mListener.contentAreaVisibilityChanged(mShowContent.getSelection());
	}
	break;
	case 'l':
	mShowLock.setSelection(!mShowLock.getSelection());
	if (mListener != null) {
	mListener.lockVisibilityChanged(mShowLock.getSelection());
	}
	break;
	case 'p':
	mShowPatches.setSelection(!mShowPatches.getSelection());
	if (mListener != null) {
	mListener.patchesVisibilityChanged(mShowPatches.getSelection());
	}
	break;
	case 'b':
	mShowBadPatches.setSelection(!mShowBadPatches.getSelection());
	if (mListener != null) {
	mListener.badPatchesVisibilityChanged(mShowBadPatches.getSelection());
	}
	break;
	}
	}

	@Override
	public void keyReleased(KeyEvent event) {
	}

	private static class ZoomControl {

	private Label minLabel;
	private Label maxLabel;
	Scale scale;

	public ZoomControl(Composite composite) {
	minLabel = new Label(composite, SWT.RIGHT);
	scale = new Scale(composite, SWT.HORIZONTAL);
	maxLabel = new Label(composite, SWT.LEFT);
	}
	}

	/**
	* Status changed events listener.
	*/
	public interface StatusChangedListener {
	/**
	* Zoom level has been changed.
	* @param zoom
	*/
	public void zoomChanged(int zoom);

	/**
	* Scale has been changed.
	* @param scale
	*/
	public void scaleChanged(int scale);

	/**
	* Lock visibility has been changed.
	* @param visible
	*/
	public void lockVisibilityChanged(boolean visible);

	/**
	* Patches visibility has been changed.
	* @param visible
	*/
	public void patchesVisibilityChanged(boolean visible);

	/**
	* BadPatches visibility has been changed.
	* @param visible
	*/
	public void badPatchesVisibilityChanged(boolean visible);

	/**
	* Content visibility has been changed.
	* @param visible
	*/
	public void contentAreaVisibilityChanged(boolean visible);
	}
	}