BulletReorderFragment.java

package com.dozuki.ifixit.ui.guide.create;

import android.R.color;
import android.content.DialogInterface;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.FrameLayout;
import android.widget.ImageView;
import android.widget.RelativeLayout.LayoutParams;
import android.widget.TextView;

import com.dozuki.ifixit.R;
import com.dozuki.ifixit.model.guide.StepLine;
import com.dozuki.ifixit.ui.BaseDialogFragment;
import com.mobeta.android.dslv.DragSortController;
import com.mobeta.android.dslv.DragSortListView;

import java.util.ArrayList;

public class BulletReorderFragment extends BaseDialogFragment {

   public interface BulletRearrangeListener {

      public void onReorderComplete(boolean canceled, ArrayList<StepLine>  lines);

   }

   private static String LINES_KEY = "LINES_KEY";
   private static final int INDENT_MARGIN = 25;
   private DragSortListView mDragListView;
   private DragSortController mController;
   private StepAdapter mAdapter;
   private Button mCancel;
   private Button mConfirm;

   private ArrayList<StepLine> mLines = new ArrayList<StepLine>();

   public void setLines(ArrayList<StepLine> lines) {
      mLines.addAll(lines);
   }

   private DragSortListView.DropListener onDrop = new DragSortListView.DropListener() {
      @Override
      public void drop(int from, int to) {
         StepLine item = mAdapter.getItem(from);
         mAdapter.remove(item);
         mAdapter.insert(item, to);
         mDragListView.invalidateViews();
      }
   };

   private DragSortListView.RemoveListener onRemove = new DragSortListView.RemoveListener() {
      @Override
      public void remove(int which) {
         mAdapter.remove(mAdapter.getItem(which));
      }
   };
   private BulletRearrangeListener mRListenener;

   private void confirmRearrange() {
      (mRListenener).onReorderComplete(false, mLines);
   }

   /**
    * Called in onCreateView. Override this to provide a custom
    * DragSortController.
    */
   public DragSortController buildController(DragSortListView dslv) {
      DragSortController controller = new DragSortController(dslv);
      controller.setDragHandleId(R.id.guide_step_drag_handle);
      controller.setRemoveEnabled(false);
      controller.setSortEnabled(true);
      controller.setDragInitMode(DragSortController.ON_DOWN);
      controller.setRemoveMode(DragSortController.FLING_REMOVE);
      controller.setBackgroundColor(color.background_light);
      return controller;
   }

   @Override
   public void onSaveInstanceState(Bundle savedInstanceState) {
      super.onSaveInstanceState(savedInstanceState);
      savedInstanceState.putSerializable(LINES_KEY, mLines);
   }

   @Override
   public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {

      // mActionMode = (getSherlockActivity().startActionMode(new ContextualStepReorder()));
      getDialog().setTitle(getActivity().getResources().getString(R.string.reorder_bullets_title));

      if (savedInstanceState != null) {
         mLines = (ArrayList<StepLine>)savedInstanceState.get(LINES_KEY);
      }
      mAdapter = new StepAdapter(mLines);
      View view = inflater.inflate(R.layout.guide_create_step_edit_bullet_reorder, container, false);
      mConfirm = (Button) view.findViewById(R.id.reorder_steps_confirm);
      mConfirm.setVisibility(View.VISIBLE);
      mConfirm.setOnClickListener(new OnClickListener() {

         @Override
         public void onClick(View v) {
            confirmRearrange();
            getDialog().dismiss();
         }

      });
      mCancel = (Button) view.findViewById(R.id.reorder_steps_cancel);
      mCancel.setVisibility(View.VISIBLE);
      mCancel.setOnClickListener(new OnClickListener() {

         @Override
         public void onClick(View v) {
            getDialog().cancel();
         }

      });
      mDragListView = (DragSortListView) view.findViewById(R.id.steps_portal_list_reorder);
      mDragListView.setDropListener(onDrop);
      mDragListView.setRemoveListener(onRemove);
      mDragListView.setAdapter(mAdapter);
      mController = buildController(mDragListView);
      mDragListView.setFloatViewManager(mController);
      mDragListView.setOnTouchListener(mController);
      mDragListView.setDragEnabled(true);

      return view;
   }

   private class ViewHolder {
      public TextView stepsView;
      public ImageView mImageView;
      public FrameLayout mItemHolder;
   }

   private class StepAdapter extends ArrayAdapter<StepLine> {

      public StepAdapter(ArrayList<StepLine> lines) {
         super(getActivity(), R.layout.guide_create_step_edit_list_item_reorder, R.id.bullet_text_textview, lines);
      }

      @Override
      public View getView(int position, View convertView, ViewGroup parent) {
         View v = super.getView(position, convertView, parent);
         if (v != convertView && v != null) {
            final ViewHolder holder = new ViewHolder();
            v.setTag(holder);

            holder.stepsView = (TextView)v.findViewById(R.id.bullet_text_textview);
            holder.mImageView = (ImageView)v.findViewById(R.id.guide_step_item_bullet_thumbnail);
            holder.mItemHolder = (FrameLayout)v.findViewById(R.id.guide_step_item_frame);
         }
         final ViewHolder holder = (ViewHolder)v.getTag();
         String step = getItem(position).getTextRaw();
         holder.stepsView.setText(step);
         holder.mImageView.setImageResource(getBulletResource(getItem(position).getColor()));
         LayoutParams params = (LayoutParams) holder.mItemHolder.getLayoutParams();
         params.setMargins(INDENT_MARGIN * getItem(position).getLevel(), 0, 0, 0);
         holder.mItemHolder.setLayoutParams(params);

         return v;
      }
   }

   public int getBulletResource(String color) {
      int iconRes;

      if (color.equals("black")) {
         iconRes = R.drawable.bullet_black;
      } else if (color.equals("orange")) {
         iconRes = R.drawable.bullet_orange;
      } else if (color.equals("blue")) {
         iconRes = R.drawable.bullet_blue;
      } else if (color.equals("light_blue")) {
         iconRes = R.drawable.bullet_light_blue;
      } else if (color.equals("violet")) {
         iconRes = R.drawable.bullet_violet;
      } else if (color.equals("red")) {
         iconRes = R.drawable.bullet_red;
      } else if (color.equals("green")) {
         iconRes = R.drawable.bullet_green;
      } else if (color.equals("yellow")) {
         iconRes = R.drawable.bullet_yellow;
      } else if (color.equals("icon_reminder")) {
         iconRes = R.drawable.ic_dialog_bullet_reminder_light;
      } else if (color.equals("icon_caution")) {
         iconRes = R.drawable.ic_dialog_bullet_caution;
      } else if (color.equals("icon_note")) {
         iconRes = R.drawable.ic_dialog_bullet_note_light;
      } else {
         iconRes = R.drawable.bullet_black;
      }
      return iconRes;
   }

   public void setBulletRearrangeListener(BulletRearrangeListener brm) {
      mRListenener = brm;
   }

   @Override
   public void onCancel(DialogInterface d) {
      (mRListenener).onReorderComplete(true, null);
      super.onCancel(d);
   }
}