Add history feature; group some functionality into subpackages

[zxing.git] / android / src / com / google / zxing / client / android / book / SearchBookContentsListItem.java

diff --git a/android/src/com/google/zxing/client/android/book/SearchBookContentsListItem.java b/android/src/com/google/zxing/client/android/book/SearchBookContentsListItem.java
new file mode 100644 (file)
index 0000000..0700b01
--- /dev/null
+++ b/android/src/com/google/zxing/client/android/book/SearchBookContentsListItem.java
@@ -0,0 +1,81 @@
+/*
+ * Copyright (C) 2008 ZXing authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.zxing.client.android.book;
+
+import android.content.Context;
+import android.graphics.Typeface;
+import android.text.SpannableString;
+import android.text.Spannable;
+import android.text.style.StyleSpan;
+import android.util.AttributeSet;
+import android.widget.LinearLayout;
+import android.widget.TextView;
+import com.google.zxing.client.android.R;
+
+/**
+ * A list item which displays the page number and snippet of this search result.
+ *
+ * @author dswitkin@google.com (Daniel Switkin)
+ */
+final class SearchBookContentsListItem extends LinearLayout {
+  private TextView pageNumberView;
+  private TextView snippetView;
+
+  SearchBookContentsListItem(Context context) {
+    super(context);
+  }
+
+  public SearchBookContentsListItem(Context context, AttributeSet attrs) {
+    super(context, attrs);
+  }
+
+  @Override
+  protected void onFinishInflate() {
+    super.onFinishInflate();
+    pageNumberView = (TextView) findViewById(R.id.page_number_view);
+    snippetView = (TextView) findViewById(R.id.snippet_view);
+  }
+
+  public void set(SearchBookContentsResult result) {
+    pageNumberView.setText(result.getPageNumber());
+    String snippet = result.getSnippet();
+    if (snippet.length() > 0) {
+      if (result.getValidSnippet()) {
+        String lowerQuery = SearchBookContentsResult.getQuery().toLowerCase();
+        String lowerSnippet = snippet.toLowerCase();
+        Spannable styledSnippet = new SpannableString(snippet);
+        StyleSpan boldSpan = new StyleSpan(Typeface.BOLD);
+        int queryLength = lowerQuery.length();
+        int offset = 0;
+        while (true) {
+          int pos = lowerSnippet.indexOf(lowerQuery, offset);
+          if (pos < 0) {
+            break;
+          }
+          styledSnippet.setSpan(boldSpan, pos, pos + queryLength, 0);
+          offset = pos + queryLength;
+        }
+        snippetView.setText(styledSnippet);
+      } else {
+        // This may be an error message, so don't try to bold the query terms within it
+        snippetView.setText(snippet);
+      }
+    } else {
+      snippetView.setText("");
+    }
+  }
+}