SPen_Example_BasicUI.java

package com.samsung.spensdk.example.basicui;

import java.util.HashMap;

import android.app.Activity;
import android.content.Context;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.FrameLayout;
import android.widget.ImageView;
import android.widget.RelativeLayout;
import android.widget.Toast;

import com.samsung.spensdk.SCanvasConstants;
import com.samsung.spensdk.SCanvasView;
import com.samsung.spensdk.applistener.HistoryUpdateListener;
import com.samsung.spensdk.applistener.SCanvasInitializeListener;
import com.samsung.spensdk.applistener.SCanvasModeChangedListener;
import com.samsung.spensdk.example.R;
import com.samsung.spensdk.example.tools.SPenSDKUtils;


public class SPen_Example_BasicUI extends Activity {
	
	private final String TAG = "SPenSDK Sample";
	
	//==============================
	// Application Identifier Setting
	// "SDK Sample Application 1.0"
	//==============================
	private final String APPLICATION_ID_NAME = "SDK Sample Application";
	private final int APPLICATION_ID_VERSION_MAJOR = 2;
	private final int APPLICATION_ID_VERSION_MINOR = 2;
	private final String APPLICATION_ID_VERSION_PATCHNAME = "Debug";
	
	//==============================
	// Variables
	//==============================
	Context mContext = null;
	
	private FrameLayout	mLayoutContainer;
	private RelativeLayout	mCanvasContainer;
	private SCanvasView		mSCanvas;
	private ImageView		mPenBtn;
	private ImageView		mEraserBtn;
	private ImageView		mTextBtn;
	private ImageView		mUndoBtn;
	private ImageView		mRedoBtn;
	
	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
	
		setContentView(R.layout.editor_basic_ui);
	
		mContext = this;
		
		//------------------------------------
		// UI Setting
		//------------------------------------
		mPenBtn = (ImageView) findViewById(R.id.penBtn);
		mPenBtn.setOnClickListener(mBtnClickListener);
		mEraserBtn = (ImageView) findViewById(R.id.eraseBtn);
		mEraserBtn.setOnClickListener(mBtnClickListener);
		mTextBtn = (ImageView) findViewById(R.id.textBtn);
		mTextBtn.setOnClickListener(mBtnClickListener);
		
		mUndoBtn = (ImageView) findViewById(R.id.undoBtn);
		mUndoBtn.setOnClickListener(undoNredoBtnClickListener);
		mRedoBtn = (ImageView) findViewById(R.id.redoBtn);
		mRedoBtn.setOnClickListener(undoNredoBtnClickListener);
		
		//------------------------------------
		// Create SCanvasView
		//------------------------------------
		mLayoutContainer = (FrameLayout) findViewById(R.id.layout_container);
		mCanvasContainer = (RelativeLayout) findViewById(R.id.canvas_container);
		
		mSCanvas = new SCanvasView(mContext);        
		mCanvasContainer.addView(mSCanvas);
		
		//------------------------------------
		// SettingView Setting
		//------------------------------------
		// Resource Map for Layout & Locale
		HashMap<String,Integer> settingResourceMapInt = SPenSDKUtils.getSettingLayoutLocaleResourceMap(true, true, true, true);
		// Resource Map for Custom font path
		HashMap<String,String> settingResourceMapString = SPenSDKUtils.getSettingLayoutStringResourceMap(true, true, true, true);
		// Create Setting View
		mSCanvas.createSettingView(mLayoutContainer, settingResourceMapInt, settingResourceMapString);
		
		//====================================================================================
		//
		// Set Callback Listener(Interface)
		//
		//====================================================================================
		//------------------------------------------------
		// SCanvas Listener
		//------------------------------------------------
		mSCanvas.setSCanvasInitializeListener(new SCanvasInitializeListener() {
			@Override
			public void onInitialized() { 
				//--------------------------------------------
				// Start SCanvasView/CanvasView Task Here
				//--------------------------------------------
				// Application Identifier Setting
				if(!mSCanvas.setAppID(APPLICATION_ID_NAME, APPLICATION_ID_VERSION_MAJOR, APPLICATION_ID_VERSION_MINOR,APPLICATION_ID_VERSION_PATCHNAME))
					Toast.makeText(mContext, "Fail to set App ID.", Toast.LENGTH_LONG).show();

				// Set Title
				if(!mSCanvas.setTitle("SPen-SDK Test"))
					Toast.makeText(mContext, "Fail to set Title.", Toast.LENGTH_LONG).show();
				
				// Update button state
				updateModeState();
			}
		});
		
		//------------------------------------------------
		// History Change Listener
		//------------------------------------------------
		mSCanvas.setHistoryUpdateListener(new HistoryUpdateListener() {
			@Override
			public void onHistoryChanged(boolean undoable, boolean redoable) {
				mUndoBtn.setEnabled(undoable);
				mRedoBtn.setEnabled(redoable);
			}
		});
		
		
		//------------------------------------------------
		// SCanvas Mode Changed Listener 
		//------------------------------------------------
		mSCanvas.setSCanvasModeChangedListener(new SCanvasModeChangedListener() {

			@Override
			public void onModeChanged(int mode) {
				updateModeState();
			}
		});
		
		
		mUndoBtn.setEnabled(false);
		mRedoBtn.setEnabled(false);
		mPenBtn.setSelected(true);
		
		// Caution:
		// Do NOT load file or start animation here because we don't know canvas size here.
		// Start such SCanvasView Task at onInitialized() of SCanvasInitializeListener
	}
	
	@Override
	protected void onDestroy() {	
		super.onDestroy();
		// Release SCanvasView resources
		if(!mSCanvas.closeSCanvasView())
			Log.e(TAG, "Fail to close SCanvasView");
	}
	
	@Override
	public void onBackPressed() {
		SPenSDKUtils.alertActivityFinish(this, "Exit");
	} 
	
	
	private OnClickListener undoNredoBtnClickListener = new OnClickListener() {
		@Override
		public void onClick(View v) {
			if (v.equals(mUndoBtn)) {
				 mSCanvas.undo();
			}
			else if (v.equals(mRedoBtn)) {
				mSCanvas.redo();
			}
			mUndoBtn.setEnabled(mSCanvas.isUndoable());
			mRedoBtn.setEnabled(mSCanvas.isRedoable());
		}
	};
	    
	OnClickListener mBtnClickListener = new OnClickListener() {
		@Override
		public void onClick(View v) {
			int nBtnID = v.getId();
			// If the mode is not changed, open the setting view. If the mode is same, close the setting view. 
			if(nBtnID == mPenBtn.getId()){				
				if(mSCanvas.getCanvasMode()==SCanvasConstants.SCANVAS_MODE_INPUT_PEN){
					mSCanvas.setSettingViewSizeOption(SCanvasConstants.SCANVAS_SETTINGVIEW_PEN, SCanvasConstants.SCANVAS_SETTINGVIEW_SIZE_NORMAL);
					mSCanvas.toggleShowSettingView(SCanvasConstants.SCANVAS_SETTINGVIEW_PEN);
				}
				else{
					mSCanvas.setCanvasMode(SCanvasConstants.SCANVAS_MODE_INPUT_PEN);
					mSCanvas.showSettingView(SCanvasConstants.SCANVAS_SETTINGVIEW_PEN, false);					
					updateModeState();
				}
			}
			else if(nBtnID == mEraserBtn.getId()){
				if(mSCanvas.getCanvasMode()==SCanvasConstants.SCANVAS_MODE_INPUT_ERASER){
					mSCanvas.setSettingViewSizeOption(SCanvasConstants.SCANVAS_SETTINGVIEW_ERASER, SCanvasConstants.SCANVAS_SETTINGVIEW_SIZE_NORMAL);
					mSCanvas.toggleShowSettingView(SCanvasConstants.SCANVAS_SETTINGVIEW_ERASER);
				}
				else {
					mSCanvas.setCanvasMode(SCanvasConstants.SCANVAS_MODE_INPUT_ERASER);
					mSCanvas.showSettingView(SCanvasConstants.SCANVAS_SETTINGVIEW_ERASER, false);
					updateModeState();
				}
			}
			else if(nBtnID == mTextBtn.getId()){
				if(mSCanvas.getCanvasMode()==SCanvasConstants.SCANVAS_MODE_INPUT_TEXT){
					mSCanvas.setSettingViewSizeOption(SCanvasConstants.SCANVAS_SETTINGVIEW_TEXT, SCanvasConstants.SCANVAS_SETTINGVIEW_SIZE_NORMAL);
					mSCanvas.toggleShowSettingView(SCanvasConstants.SCANVAS_SETTINGVIEW_TEXT);
				}
				else{
					mSCanvas.setCanvasMode(SCanvasConstants.SCANVAS_MODE_INPUT_TEXT);
					mSCanvas.showSettingView(SCanvasConstants.SCANVAS_SETTINGVIEW_TEXT, false);										
					updateModeState();
					Toast.makeText(mContext, "Tap Canvas to insert Text", Toast.LENGTH_SHORT).show();
				}
			}		
		}
	};
	
	

	// Update tool button
	private void updateModeState(){
		int nCurMode = mSCanvas.getCanvasMode();
		mPenBtn.setSelected(nCurMode==SCanvasConstants.SCANVAS_MODE_INPUT_PEN);
		mEraserBtn.setSelected(nCurMode==SCanvasConstants.SCANVAS_MODE_INPUT_ERASER);
		mTextBtn.setSelected(nCurMode==SCanvasConstants.SCANVAS_MODE_INPUT_TEXT);
	}
}