Commit 7aefa836 authored by axet's avatar axet 🍄

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<?xml version="1.0" encoding="utf-8"?>
<manifest
xmlns:android="http://schemas.android.com/apk/res/android"
package="yuku.ambilwarna"
android:versionCode="1"
android:versionName="1.0">
<application>
</application>
<uses-sdk
android:minSdkVersion="3" />
</manifest>
\ No newline at end of file
package yuku.ambilwarna;
import android.app.*;
import android.content.*;
import android.content.DialogInterface.OnCancelListener;
import android.graphics.*;
import android.view.*;
import android.widget.*;
public class AmbilWarnaDialog {
public interface OnAmbilWarnaListener {
void onCancel(AmbilWarnaDialog dialog);
void onOk(AmbilWarnaDialog dialog, int color);
}
final AlertDialog dialog;
final OnAmbilWarnaListener listener;
final View viewHue;
final AmbilWarnaKotak viewSatVal;
final ImageView viewCursor;
final View viewOldColor;
final View viewNewColor;
final ImageView viewTarget;
final ViewGroup viewContainer;
final float[] currentColorHsv = new float[3];
private final CharSequence positiveButtonText;
private final CharSequence negativeButtonText;
/**
* create an AmbilWarnaDialog. call this only from OnCreateDialog() or from a background thread.
*
* @param context
* current context
* @param color
* current color
* @param listener
* an OnAmbilWarnaListener, allowing you to get back error or
*/
public AmbilWarnaDialog(final Context context, int color, OnAmbilWarnaListener listener, String positiveButtonText, String negativeButtonText) {
this.listener = listener;
Color.colorToHSV(color, currentColorHsv);
this.positiveButtonText = positiveButtonText;
this.negativeButtonText = negativeButtonText;
final View view = LayoutInflater.from(context).inflate(R.layout.ambilwarna_dialog, null);
viewHue = view.findViewById(R.id.ambilwarna_viewHue);
viewSatVal = (AmbilWarnaKotak) view.findViewById(R.id.ambilwarna_viewSatBri);
viewCursor = (ImageView) view.findViewById(R.id.ambilwarna_cursor);
viewOldColor = view.findViewById(R.id.ambilwarna_warnaLama);
viewNewColor = view.findViewById(R.id.ambilwarna_warnaBaru);
viewTarget = (ImageView) view.findViewById(R.id.ambilwarna_target);
viewContainer = (ViewGroup) view.findViewById(R.id.ambilwarna_viewContainer);
viewSatVal.setHue(getHue());
viewOldColor.setBackgroundColor(color);
viewNewColor.setBackgroundColor(color);
viewHue.setOnTouchListener(new View.OnTouchListener() {
@Override public boolean onTouch(View v, MotionEvent event) {
if (event.getAction() == MotionEvent.ACTION_MOVE
|| event.getAction() == MotionEvent.ACTION_DOWN
|| event.getAction() == MotionEvent.ACTION_UP) {
float y = event.getY();
if (y < 0.f) y = 0.f;
if (y > viewHue.getMeasuredHeight()) y = viewHue.getMeasuredHeight() - 0.001f; // to avoid looping from end to start.
float hue = 360.f - 360.f / viewHue.getMeasuredHeight() * y;
if (hue == 360.f) hue = 0.f;
setHue(hue);
// update view
viewSatVal.setHue(getHue());
moveCursor();
viewNewColor.setBackgroundColor(getColor());
return true;
}
return false;
}
});
viewSatVal.setOnTouchListener(new View.OnTouchListener() {
@Override public boolean onTouch(View v, MotionEvent event) {
if (event.getAction() == MotionEvent.ACTION_MOVE
|| event.getAction() == MotionEvent.ACTION_DOWN
|| event.getAction() == MotionEvent.ACTION_UP) {
float x = event.getX(); // touch event are in dp units.
float y = event.getY();
if (x < 0.f) x = 0.f;
if (x > viewSatVal.getMeasuredWidth()) x = viewSatVal.getMeasuredWidth();
if (y < 0.f) y = 0.f;
if (y > viewSatVal.getMeasuredHeight()) y = viewSatVal.getMeasuredHeight();
setSat(1.f / viewSatVal.getMeasuredWidth() * x);
setVal(1.f - (1.f / viewSatVal.getMeasuredHeight() * y));
// update view
moveTarget();
viewNewColor.setBackgroundColor(getColor());
return true;
}
return false;
}
});
dialog = new AlertDialog.Builder(context)
.setPositiveButton(positiveButtonText, new DialogInterface.OnClickListener() {
@Override public void onClick(DialogInterface dialog, int which) {
if (AmbilWarnaDialog.this.listener != null) {
AmbilWarnaDialog.this.listener.onOk(AmbilWarnaDialog.this, getColor());
}
}
})
.setNegativeButton(negativeButtonText, new DialogInterface.OnClickListener() {
@Override public void onClick(DialogInterface dialog, int which) {
if (AmbilWarnaDialog.this.listener != null) {
AmbilWarnaDialog.this.listener.onCancel(AmbilWarnaDialog.this);
}
}
})
.setOnCancelListener(new OnCancelListener() {
// if back button is used, call back our listener.
@Override public void onCancel(DialogInterface paramDialogInterface) {
if (AmbilWarnaDialog.this.listener != null) {
AmbilWarnaDialog.this.listener.onCancel(AmbilWarnaDialog.this);
}
}
})
.create();
// kill all padding from the dialog window
dialog.setView(view, 0, 0, 0, 0);
// move cursor & target on first draw
ViewTreeObserver vto = view.getViewTreeObserver();
vto.addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() {
@Override public void onGlobalLayout() {
moveCursor();
moveTarget();
view.getViewTreeObserver().removeGlobalOnLayoutListener(this);
}
});
}
protected void moveCursor() {
float y = viewHue.getMeasuredHeight() - (getHue() * viewHue.getMeasuredHeight() / 360.f);
if (y == viewHue.getMeasuredHeight()) y = 0.f;
RelativeLayout.LayoutParams layoutParams = (RelativeLayout.LayoutParams) viewCursor.getLayoutParams();
layoutParams.leftMargin = (int) (viewHue.getLeft() - Math.floor(viewCursor.getMeasuredWidth() / 2) - viewContainer.getPaddingLeft());
;
layoutParams.topMargin = (int) (viewHue.getTop() + y - Math.floor(viewCursor.getMeasuredHeight() / 2) - viewContainer.getPaddingTop());
;
viewCursor.setLayoutParams(layoutParams);
}
protected void moveTarget() {
float x = getSat() * viewSatVal.getMeasuredWidth();
float y = (1.f - getVal()) * viewSatVal.getMeasuredHeight();
RelativeLayout.LayoutParams layoutParams = (RelativeLayout.LayoutParams) viewTarget.getLayoutParams();
layoutParams.leftMargin = (int) (viewSatVal.getLeft() + x - Math.floor(viewTarget.getMeasuredWidth() / 2) - viewContainer.getPaddingLeft());
layoutParams.topMargin = (int) (viewSatVal.getTop() + y - Math.floor(viewTarget.getMeasuredHeight() / 2) - viewContainer.getPaddingTop());
viewTarget.setLayoutParams(layoutParams);
}
private int getColor() {
return Color.HSVToColor(currentColorHsv);
}
private float getHue() {