implemented firtelable

1 files changed, 94 insertions, 7 deletions

diff --git a/vdrmanager/src/de/bjusystems/vdrmanager/gui/EventAdapter.java b/vdrmanager/src/de/bjusystems/vdrmanager/gui/EventAdapter.java
index 181195a..9cf1b6a 100644
--- a/vdrmanager/src/de/bjusystems/vdrmanager/gui/EventAdapter.java
+++ b/vdrmanager/src/de/bjusystems/vdrmanager/gui/EventAdapter.java
@@ -1,12 +1,20 @@
 package de.bjusystems.vdrmanager.gui;
 
+import java.util.ArrayList;
+import java.util.List;
+
 import android.content.Context;
 import android.graphics.Color;
+import android.text.Spannable;
+import android.text.SpannableString;
 import android.text.TextUtils;
+import android.text.style.ForegroundColorSpan;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.ArrayAdapter;
+import android.widget.Filter;
+import android.widget.Filterable;
 import android.widget.ImageView;
 import android.widget.ProgressBar;
 import android.widget.TextView;
@@ -15,12 +23,16 @@ import de.bjusystems.vdrmanager.data.Event;
 import de.bjusystems.vdrmanager.data.EventFormatter;
 import de.bjusystems.vdrmanager.data.EventListItem;
 
-abstract class EventAdapter extends ArrayAdapter<EventListItem> {
+abstract class EventAdapter extends ArrayAdapter<EventListItem> implements
+		Filterable {
+
+	private static final ForegroundColorSpan HIGHLIGHT = new ForegroundColorSpan(
+			Color.RED);
 
 	protected final int layout;
 	protected final LayoutInflater inflater;
-	//protected final List<EventListItem> items;
-	
+	protected final List<EventListItem> items = new ArrayList<EventListItem>();
+
 	protected boolean hideChannelName = false;
 
 	public EventAdapter(final Context context, int layout) {
@@ -30,6 +42,14 @@ abstract class EventAdapter extends ArrayAdapter<EventListItem> {
 	}
 
 	@Override
+	public void add(EventListItem object) {
+		items.add(object);
+		super.add(object);
+	}
+
+	private String highlight;
+
+	@Override
 	public View getView(final int position, final View convertView,
 			final ViewGroup parent) {
 
@@ -104,14 +124,18 @@ abstract class EventAdapter extends ArrayAdapter<EventListItem> {
 			}
 			final EventFormatter formatter = getEventFormatter(item.getEvent());
 			itemHolder.time.setText(formatter.getTime());
-			if(hideChannelName){
+			if (hideChannelName) {
 				itemHolder.channel.setVisibility(View.GONE);
 			} else {
 				itemHolder.channel.setText(item.getChannelName());
 			}
-			itemHolder.title.setText(formatter.getTitle());
-			itemHolder.shortText.setText(TextUtils.isEmpty(formatter
-					.getShortText()) ? " " : formatter.getShortText().trim());
+
+			
+			CharSequence title = highlight(formatter.getTitle(), highlight);
+			CharSequence shortText = highlight(formatter.getShortText(), highlight);
+			
+			itemHolder.title.setText(title);
+			itemHolder.shortText.setText(shortText);
 			int p = Utils.getProgress(item);
 			if (p == -1) {
 				itemHolder.progress.setVisibility(View.GONE);
@@ -136,8 +160,71 @@ abstract class EventAdapter extends ArrayAdapter<EventListItem> {
 		return view;
 	}
 
+	private CharSequence highlight(String where, String what){
+		if(TextUtils.isEmpty(what)){
+			return where;
+		}
+		
+		String str = where.toLowerCase();
+			int idx = str.indexOf(highlight);
+			if(idx == -1){
+				return where;
+			}
+			SpannableString ss = new SpannableString(str);
+			ss.setSpan(HIGHLIGHT, idx, idx + highlight.length(),
+						Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
+			return ss;
+	}
+	
 	protected EventFormatter getEventFormatter(Event event) {
 		return new EventFormatter(event);
 	}
 
+	private void addSuper(EventListItem item) {
+		super.add(item);
+	}
+
+	public Filter getFilter() {
+		return new Filter() {
+			EventListItem prevHead = null;
+
+			@Override
+			protected FilterResults performFiltering(CharSequence arg0) {
+				highlight = arg0.toString().toLowerCase();
+				ArrayList<EventListItem> result = new ArrayList<EventListItem>();
+				for (EventListItem event : items) {
+					if (event.isHeader()) {
+						prevHead  = event;
+						//result.add(event);
+						continue;
+					}
+					if (event.getTitle().toLowerCase()
+							.indexOf(String.valueOf(arg0).toLowerCase()) != -1
+							|| event.getShortText()
+									.toLowerCase()
+									.indexOf(String.valueOf(arg0).toLowerCase()) != -1) {
+						if(prevHead != null){
+							result.add(prevHead);
+							prevHead = null;
+						}
+						result.add(event);
+					}
+				}
+
+				FilterResults fr = new FilterResults();
+				fr.count = result.size();
+				fr.values = result;
+				return fr;
+			}
+
+			@Override
+			protected void publishResults(CharSequence arg0, FilterResults arg1) {
+				EventAdapter.this.clear();
+				for (EventListItem item : (ArrayList<EventListItem>) arg1.values) {
+					addSuper(item);
+				}
+				notifyDataSetChanged();
+			}
+		};
+	}
 }
\ No newline at end of file