src/eu/alefzero/owncloud/PathLayout.java

   1 package eu.alefzero.owncloud;
   2
   3 import java.net.Inet4Address;
   4 import java.util.Stack;
   5
   6 import android.content.Context;
   7 import android.util.AttributeSet;
   8 import android.view.View;
   9 import android.view.View.OnClickListener;
  10 import android.widget.HorizontalScrollView;
  11 import android.widget.ImageView;
  12 import android.widget.LinearLayout;
  13 import android.widget.ScrollView;
  14 import android.widget.TextView;
  15
  16 public class PathLayout extends LinearLayout {
  17
  18   private Stack<String> paths;
  19   ScrollView internalScroll;
  20   LinearLayout view;
  21
  22   public PathLayout(Context context) {
  23     super(context);
  24     initialize();
  25   }
  26
  27   public PathLayout(Context context, AttributeSet attrs) {
  28     super(context, attrs);
  29     initialize();
  30   }
  31
  32   public String pop() {
  33     if (paths.empty()) {
  34       return null;
  35     }
  36     int start = paths.size()*2-2;
  37     int count = 2;
  38     if (paths.size() == 1) {
  39       start++;
  40       count--;
  41     }
  42     view.removeViews(start, count);
  43     return paths.pop();
  44   }
  45
  46   public void push(String path) {
  47     // its weird that we cannot declare static imgView as path separator
  48     if (!paths.empty()) {
  49       ImageView iv = new ImageView(getContext());
  50       iv.setImageDrawable(getResources().getDrawable(R.drawable.breadcrumb));
  51       iv.setPadding(2, 0, 2, 0);
  52       view.addView(iv);
  53     }
  54     TextView tv = new TextView(getContext());
  55     tv.setLayoutParams(getLayoutParams());
  56     tv.setText(path);
  57     view.addView(tv);
  58     HorizontalScrollView hsv = (HorizontalScrollView) internalScroll.getChildAt(0);
  59     hsv.smoothScrollTo(hsv.getMaxScrollAmount()*2, 0);
  60     paths.push(path);
  61   }
  62
  63   public String peek() {
  64     return paths.peek();
  65   }
  66
  67   private void initialize() {
  68     paths = new Stack<String>();
  69     internalScroll = new ScrollView(getContext());
  70     internalScroll.setFillViewport(true);
  71     HorizontalScrollView hsv = new HorizontalScrollView(getContext());
  72     hsv.setSmoothScrollingEnabled(true);
  73     internalScroll.addView(hsv);
  74     view = new LinearLayout(getContext());
  75     addView(internalScroll);
  76     hsv.addView(view);
  77     ImageView iv = new ImageView(getContext());
  78     iv.setImageDrawable(getResources().getDrawable(R.drawable.breadcrumb));
  79     view.addView(iv);
  80   }
  81
  82 }