Android Open Source - WarDroid Color Picker Preference

• Back to Game/application  ↑

From Project

Back to project page WarDroid.

License

The source code is released under:

MIT License

Java Source Code

package afzkl.development.colorpickerview.preference;
/*  w  w  w .  j  a  v a2 s  .  co  m*/
import afzkl.development.colorpickerview.R;
import afzkl.development.colorpickerview.view.ColorPanelView;
import afzkl.development.colorpickerview.view.ColorPickerView;
import android.content.Context;
import android.content.res.TypedArray;
import android.os.Parcel;
import android.os.Parcelable;
import android.preference.DialogPreference;
import android.util.AttributeSet;
import android.util.Log;
import android.view.View;
import android.widget.LinearLayout;

public class ColorPickerPreference extends DialogPreference implements ColorPickerView.OnColorChangedListener{


  private ColorPickerView        mColorPickerView;
  private ColorPanelView        mOldColorView;
  private ColorPanelView        mNewColorView;

  private int              mColor;
  
  private boolean            alphaChannelVisible = false;
  private String            alphaChannelText = null;
  private boolean            showDialogTitle = false;
  private boolean            showPreviewSelectedColorInList = true;
  private int              colorPickerSliderColor = -1;
  private int              colorPickerBorderColor = -1;
  
  
  public ColorPickerPreference(Context context, AttributeSet attrs) {
    super(context, attrs);
    init(attrs);
  }
  
  public ColorPickerPreference(Context context, AttributeSet attrs, int defStyle) {
    super(context, attrs, defStyle);    
    init(attrs); 
    
  }
  

  private void init(AttributeSet attrs) {
    TypedArray a = getContext().obtainStyledAttributes(attrs, R.styleable.ColorPickerPreference);
    
    showDialogTitle = a.getBoolean(R.styleable.ColorPickerPreference_showDialogTitle, false);
    showPreviewSelectedColorInList = a.getBoolean(R.styleable.ColorPickerPreference_showSelectedColorInList, true);
    
    a.recycle();  
    a = getContext().obtainStyledAttributes(attrs, R.styleable.ColorPickerView);
    
    alphaChannelVisible = a.getBoolean(R.styleable.ColorPickerView_alphaChannelVisible, false);
    alphaChannelText = a.getString(R.styleable.ColorPickerView_alphaChannelText);    
    colorPickerSliderColor = a.getColor(R.styleable.ColorPickerView_colorPickerSliderColor, -1);
    colorPickerBorderColor = a.getColor(R.styleable.ColorPickerView_colorPickerBorderColor, -1);
    
    a.recycle();
    
    if(showPreviewSelectedColorInList) {
      setWidgetLayoutResource(R.layout.preference_preview_layout);
    }
    
    if(!showDialogTitle) {
      setDialogTitle(null);
    }
        
    setDialogLayoutResource(R.layout.dialog_color_picker);
    
    setPositiveButtonText(android.R.string.ok);
    setNegativeButtonText(android.R.string.cancel);    
    
    setPersistent(true);    
  }
    
  @Override
  protected Parcelable onSaveInstanceState() {
     final Parcelable superState = super.onSaveInstanceState();

     // Create instance of custom BaseSavedState
     final SavedState myState = new SavedState(superState);
     // Set the state's value with the class member that holds current setting value
     
     
     if(getDialog() != null && mColorPickerView != null) {
       myState.currentColor = mColorPickerView.getColor();
     }
     else {
       myState.currentColor = 0;
     }

     return myState;
  }
  
  @Override
  protected void onRestoreInstanceState(Parcelable state) {
      // Check whether we saved the state in onSaveInstanceState
      if (state == null || !state.getClass().equals(SavedState.class)) {
          // Didn't save the state, so call superclass
            Log.d("mColorPicker", "save state not saved, so we skipping");
          super.onRestoreInstanceState(state);
          return;
      }

      // Cast state to custom BaseSavedState and pass to superclass
      SavedState myState = (SavedState) state;
      super.onRestoreInstanceState(myState.getSuperState());
      

      // Set this Preference's widget to reflect the restored state
      if(getDialog() != null && mColorPickerView != null) {
        Log.d("mColorPicker", "Restoring color!");        
        mColorPickerView.setColor(myState.currentColor, true);
      }
  }
  
  @Override
  protected void onBindView(View view) {
    super.onBindView(view);
    
    ColorPanelView preview = (ColorPanelView) view.findViewById(R.id.preference_preview_color_panel);
    
    if(preview != null) {
      preview.setColor(mColor);
    }
    
  }
  
  @Override
  protected void onBindDialogView(View layout) {
    super.onBindDialogView(layout);
    
    boolean isLandscapeLayout = false;
    
    mColorPickerView = (ColorPickerView) layout.findViewById(R.id.color_picker_view);
    
    LinearLayout landscapeLayout = (LinearLayout) layout.findViewById(R.id.dialog_color_picker_extra_layout_landscape);
    
    if(landscapeLayout != null) {
      isLandscapeLayout = true;
    }
    
        
    mColorPickerView = (ColorPickerView) layout
        .findViewById(R.id.color_picker_view);
    mOldColorView = (ColorPanelView) layout.findViewById(R.id.color_panel_old);
    mNewColorView = (ColorPanelView) layout.findViewById(R.id.color_panel_new);

    if(!isLandscapeLayout) {
      ((LinearLayout) mOldColorView.getParent()).setPadding(Math
          .round(mColorPickerView.getDrawingOffset()), 0, Math
          .round(mColorPickerView.getDrawingOffset()), 0);
      
    }
    else {
      landscapeLayout.setPadding(0, 0, Math.round(mColorPickerView.getDrawingOffset()), 0);
    }

    mColorPickerView.setAlphaSliderVisible(alphaChannelVisible);
    mColorPickerView.setAlphaSliderText(alphaChannelText);    
    mColorPickerView.setSliderTrackerColor(colorPickerSliderColor);
    
    if(colorPickerSliderColor != -1) {
      mColorPickerView.setSliderTrackerColor(colorPickerSliderColor);
    }
    
    if(colorPickerBorderColor != -1) {
      mColorPickerView.setBorderColor(colorPickerBorderColor);
    }

    
    mColorPickerView.setOnColorChangedListener(this);
    
    //Log.d("mColorPicker", "setting initial color!");
    mOldColorView.setColor(mColor);
    mColorPickerView.setColor(mColor, true);
  }
  
  
  @Override
  protected void onDialogClosed(boolean positiveResult) {
    if(positiveResult) {
      mColor = mColorPickerView.getColor();
      persistInt(mColor);
      
      notifyChanged();
      
    }
  }
  
  @Override
  protected void onSetInitialValue(boolean restorePersistedValue, Object defaultValue) {    
    if(restorePersistedValue) {
      mColor = getPersistedInt(0xFF000000);
      //Log.d("mColorPicker", "Load saved color: " + mColor);
    }
    else {
      mColor = (Integer)defaultValue;
      persistInt(mColor);
    }
  }
  
  @Override
  protected Object onGetDefaultValue(TypedArray a, int index) {
    return a.getInteger(index, 0xFF000000);
  }
  
  
  @Override
  public void onColorChanged(int newColor) {
    mNewColorView.setColor(newColor);
  }

  

  private static class SavedState extends BaseSavedState {
      // Member that holds the setting's value
      int currentColor;

      public SavedState(Parcelable superState) {
          super(superState);
      }

      public SavedState(Parcel source) {
          super(source);
          // Get the current preference's value
          currentColor = source.readInt(); 
      }

      @Override
      public void writeToParcel(Parcel dest, int flags) {
          super.writeToParcel(dest, flags);
          // Write the preference's value
          dest.writeInt(currentColor);
      }

      // Standard creator object using an instance of this class
      public static final Parcelable.Creator<SavedState> CREATOR =
              new Parcelable.Creator<SavedState>() {

          public SavedState createFromParcel(Parcel in) {
              return new SavedState(in);
          }

          public SavedState[] newArray(int size) {
              return new SavedState[size];
          }
      };
  }

}

Java Source Code List

• Back to Game/application  ↑