/**
* Created by Karim Mreisi.
*/
package com.limelight.binding.input.virtual_controller;
import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.util.DisplayMetrics;
import android.view.MotionEvent;
import android.view.View;
import android.widget.RelativeLayout;
public abstract class VirtualControllerElement extends View {
protected static boolean _PRINT_DEBUG_INFORMATION = false;
protected VirtualController virtualController;
private final Paint paint = new Paint();
private int normalColor = 0xF0888888;
protected int pressedColor = 0xF00000FF;
private int configNormalColor = 0xF0FF0000;
private int configSelectedColor = 0xF000FF00;
protected int startSize_x;
protected int startSize_y;
float position_pressed_x = 0;
float position_pressed_y = 0;
private enum Mode {
Normal,
Resize,
Move
}
private Mode currentMode = Mode.Normal;
protected VirtualControllerElement(VirtualController controller, Context context) {
super(context);
this.virtualController = controller;
}
protected void moveElement(int pressed_x, int pressed_y, int x, int y) {
int newPos_x = (int) getX() + x - pressed_x;
int newPos_y = (int) getY() + y - pressed_y;
RelativeLayout.LayoutParams layoutParams = (RelativeLayout.LayoutParams) getLayoutParams();
layoutParams.leftMargin = newPos_x > 0 ? newPos_x : 0;
layoutParams.topMargin = newPos_y > 0 ? newPos_y : 0;
layoutParams.rightMargin = 0;
layoutParams.bottomMargin = 0;
requestLayout();
}
protected void resizeElement(int pressed_x, int pressed_y, int width, int height) {
RelativeLayout.LayoutParams layoutParams = (RelativeLayout.LayoutParams) getLayoutParams();
int newHeight = height + (startSize_y - pressed_y);
int newWidth = width + (startSize_x - pressed_x);
layoutParams.height = newHeight > 20 ? newHeight : 20;
layoutParams.width = newWidth > 20 ? newWidth : 20;
requestLayout();
}
@Override
protected void onDraw(Canvas canvas) {
onElementDraw(canvas);
if (currentMode != Mode.Normal) {
paint.setColor(configSelectedColor);
paint.setStrokeWidth(getDefaultStrokeWidth());
paint.setStyle(Paint.Style.STROKE);
canvas.drawRect(paint.getStrokeWidth(), paint.getStrokeWidth(),
getWidth()-paint.getStrokeWidth(), getHeight()-paint.getStrokeWidth(),
paint);
}
super.onDraw(canvas);
}
/*
protected void actionShowNormalColorChooser() {
AmbilWarnaDialog colorDialog = new AmbilWarnaDialog(getContext(), normalColor, true, new AmbilWarnaDialog.OnAmbilWarnaListener() {
@Override
public void onCancel(AmbilWarnaDialog dialog)
{}
@Override
public void onOk(AmbilWarnaDialog dialog, int color) {
normalColor = color;
invalidate();
}
});
colorDialog.show();
}
protected void actionShowPressedColorChooser() {
AmbilWarnaDialog colorDialog = new AmbilWarnaDialog(getContext(), normalColor, true, new AmbilWarnaDialog.OnAmbilWarnaListener() {
@Override
public void onCancel(AmbilWarnaDialog dialog) {
}
@Override
public void onOk(AmbilWarnaDialog dialog, int color) {
pressedColor = color;
invalidate();
}
});
colorDialog.show();
}
*/
protected void actionEnableMove() {
currentMode = Mode.Move;
}
protected void actionEnableResize() {
currentMode = Mode.Resize;
}
protected void actionCancel() {
currentMode = Mode.Normal;
invalidate();
}
protected int getDefaultColor() {
return (virtualController.getControllerMode() == VirtualController.ControllerMode.Configuration) ?
configNormalColor : normalColor;
}
protected int getDefaultStrokeWidth() {
DisplayMetrics screen = getResources().getDisplayMetrics();
return (int)(screen.heightPixels*0.004f);
}
protected void showConfigurationDialog() {
try {
AlertDialog.Builder alertBuilder = new AlertDialog.Builder(getContext());
alertBuilder.setTitle("Configuration");
CharSequence functions[] = new CharSequence[]{
"Move",
"Resize",
/*election
"Set n
Disable color sormal color",
"Set pressed color",
*/
"Cancel"
};
alertBuilder.setItems(functions, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
switch (which) {
case 0: { // move
actionEnableMove();
break;
}
case 1: { // resize
actionEnableResize();
break;
}
/*
case 2: { // set default color
actionShowNormalColorChooser();
break;
}
case 3: { // set pressed color
actionShowPressedColorChooser();
break;
}
*/
default: { // cancel
actionCancel();
break;
}
}
}
});
AlertDialog alert = alertBuilder.create();
// show menu
alert.show();
} catch (Exception e) {
e.printStackTrace();
}
}
@Override
public boolean onTouchEvent(MotionEvent event) {
if (virtualController.getControllerMode() == VirtualController.ControllerMode.Active) {
return onElementTouchEvent(event);
}
switch (event.getActionMasked()) {
case MotionEvent.ACTION_DOWN:
case MotionEvent.ACTION_POINTER_DOWN: {
position_pressed_x = event.getX();
position_pressed_y = event.getY();
startSize_x = getWidth();
startSize_y = getHeight();
actionEnableMove();
return true;
}
case MotionEvent.ACTION_MOVE: {
switch (currentMode) {
case Move: {
moveElement(
(int) position_pressed_x,
(int) position_pressed_y,
(int) event.getX(),
(int) event.getY());
break;
}
case Resize: {
resizeElement(
(int) position_pressed_x,
(int) position_pressed_y,
(int) event.getX(),
(int) event.getY());
break;
}
case Normal: {
break;
}
}
return true;
}
case MotionEvent.ACTION_CANCEL:
case MotionEvent.ACTION_UP:
case MotionEvent.ACTION_POINTER_UP: {
actionCancel();
return true;
}
default: {
}
}
return true;
}
abstract protected void onElementDraw(Canvas canvas);
abstract public boolean onElementTouchEvent(MotionEvent event);
protected static final void _DBG(String text) {
if (_PRINT_DEBUG_INFORMATION) {
System.out.println(text);
}
}
public void setColors(int normalColor, int pressedColor) {
this.normalColor = normalColor;
this.pressedColor = pressedColor;
invalidate();
}
protected final float getPercent(float value, float percent) {
return value / 100 * percent;
}
protected final int getCorrectWidth() {
return getWidth() > getHeight() ? getHeight() : getWidth();
}
/**
public JSONObject getConfiguration () {
JSONObject configuration = new JSONObject();
return configuration;
}
public void loadConfiguration (JSONObject configuration) {
}
*/
}