Android Open Source - codemap Workspace Browser Adapter

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License

The source code is released under:
GNU General Public License
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Java Source Code

package com.hdweiss.codemap.view.workspace.browser;
/*w  w  w  .jav a2s .  c  o m*/
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;

import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseExpandableListAdapter;
import android.widget.ExpandableListView;
import android.widget.TextView;

import com.hdweiss.codemap.R;
import com.hdweiss.codemap.data.CodeMapApp;
import com.hdweiss.codemap.data.ICodeMapItem;
import com.hdweiss.codemap.data.ProjectController;
import com.hdweiss.codemap.data.SerializableItem;
import com.hdweiss.codemap.view.workspace.WorkspaceController;
import com.hdweiss.codemap.view.workspace.WorkspaceState;
import com.hdweiss.codemap.view.workspace.fragments.CodeMapItem;

public class WorkspaceBrowserAdapter extends BaseExpandableListAdapter {

  private Context context;
  private ProjectController projectController;

  private ArrayList<String> workspaceStateList;
  private HashMap<String, ArrayList<ICodeMapItem>> workspaceUrlsMap;
  
  public WorkspaceBrowserAdapter(Context context, ProjectController controller) {
    super();
    this.context = context;
    this.projectController = controller;
    init();
  }
  
  public void refresh() {
    init();
  }
  
  public void refresh(String workspaceName) {
    this.workspaceUrlsMap.remove(workspaceName);
    this.workspaceUrlsMap.put(workspaceName, getWorkspaceUrls(workspaceName));
    notifyDataSetInvalidated();
  }
  
  private void init() {
    this.workspaceStateList = WorkspaceState.getWorkspaceStateList(
        projectController, context);
    
    workspaceUrlsMap = new HashMap<String, ArrayList<ICodeMapItem>>();
    for (String workspaceName: workspaceStateList) {
      ArrayList<ICodeMapItem> workspaceUrls = getWorkspaceUrls(workspaceName);
      this.workspaceUrlsMap.put(workspaceName, workspaceUrls);
    }
    notifyDataSetInvalidated();
  }
  
  private ArrayList<ICodeMapItem> getWorkspaceUrls(String workspaceName) {
    ArrayList<ICodeMapItem> result = new ArrayList<ICodeMapItem>();

    final String projectName = projectController.project.getName();
    
    WorkspaceController controller = ((CodeMapApp) context
        .getApplicationContext()).getController(projectName,
        workspaceName);
    if (controller != null) {
      for (CodeMapItem item: controller.codeMapView.items)
        result.add(item);
    } else {
      try {
        WorkspaceState state = WorkspaceState.readState(
            projectController.project, workspaceName, context);
        for (SerializableItem item: state.items)
          result.add(item);
      } catch (IOException e) {
        e.printStackTrace();
      }
    }
    
    return result;
  }
  
  public String getChild(int groupPosition, int childPosition) {
    String workspaceName = this.workspaceStateList.get(groupPosition);
    ArrayList<ICodeMapItem> urls = this.workspaceUrlsMap.get(workspaceName);
    return urls.get(childPosition).getUrl();
  }

  public long getChildId(int groupPosition, int childPosition) {
    // TODO Auto-generated method stub
    return 0;
  }

  public View getChildView(int groupPosition, int childPosition,
      boolean isLastChild, View convertView, ViewGroup parent) {
    View view = convertView;
    if (convertView == null) {
      LayoutInflater inflater = LayoutInflater.from(context);
      view = inflater.inflate(R.layout.workspace_child, parent, false);
    }
    
    String child = getChild(groupPosition, childPosition);
    
    TextView textView = (TextView) view
        .findViewById(R.id.workspace_item_text);
    textView.setText("  " + child);
    
    return view;
  }

  public int getChildrenCount(int groupPosition) {
    String workspaceName = getGroup(groupPosition);
    ArrayList<ICodeMapItem> urls = this.workspaceUrlsMap.get(workspaceName);
    return urls.size();
  }

  
  public String getGroup(int groupPosition) {
    return this.workspaceStateList.get(groupPosition);
  }

  public int getGroupCount() {
    return this.workspaceStateList.size();
  }

  public long getGroupId(int groupPosition) {
    // TODO Auto-generated method stub
    return 0;
  }

  public View getGroupView(int groupPosition, boolean isExpanded,
      View convertView, ViewGroup parent) {
    View view = convertView;
    if (convertView == null) {
      LayoutInflater inflater = LayoutInflater.from(context);
      view = inflater.inflate(R.layout.workspace_group, parent, false);
      ((ExpandableListView) parent).expandGroup(groupPosition);
    }
    
    String groupText = getGroup(groupPosition);
    
    TextView textView = (TextView) view
        .findViewById(R.id.workspace_item_text);
    textView.setText(groupText);
    
    return view;
  }

  public boolean hasStableIds() {
    return false;
  }

  public boolean isChildSelectable(int groupPosition, int childPosition) {
    return true;
  }
}
Java Source Code List
