diff options
Diffstat (limited to 'libs/utils/WordPressUtils/src/main/java/org/wordpress/android/util/helpers/WPHtmlTagHandler.java')
-rw-r--r-- | libs/utils/WordPressUtils/src/main/java/org/wordpress/android/util/helpers/WPHtmlTagHandler.java | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/libs/utils/WordPressUtils/src/main/java/org/wordpress/android/util/helpers/WPHtmlTagHandler.java b/libs/utils/WordPressUtils/src/main/java/org/wordpress/android/util/helpers/WPHtmlTagHandler.java new file mode 100644 index 000000000..da333b24e --- /dev/null +++ b/libs/utils/WordPressUtils/src/main/java/org/wordpress/android/util/helpers/WPHtmlTagHandler.java @@ -0,0 +1,59 @@ +package org.wordpress.android.util.helpers; + +import android.text.Editable; +import android.text.Html; +import android.text.style.BulletSpan; +import android.text.style.LeadingMarginSpan; + +import org.xml.sax.XMLReader; + +import java.util.Vector; + +/** + * Handle tags that the Html class doesn't understand + * Tweaked from source at http://stackoverflow.com/questions/4044509/android-how-to-use-the-html-taghandler + */ +public class WPHtmlTagHandler implements Html.TagHandler { + private int mListItemCount = 0; + private Vector<String> mListParents = new Vector<String>(); + + @Override + public void handleTag(final boolean opening, final String tag, Editable output, + final XMLReader xmlReader) { + if (tag.equals("ul") || tag.equals("ol") || tag.equals("dd")) { + if (opening) { + mListParents.add(tag); + } else { + mListParents.remove(tag); + } + mListItemCount = 0; + } else if (tag.equals("li") && !opening) { + handleListTag(output); + } + } + + private void handleListTag(Editable output) { + if (mListParents.lastElement().equals("ul")) { + output.append("\n"); + String[] split = output.toString().split("\n"); + int start = 0; + if (split.length != 1) { + int lastIndex = split.length - 1; + start = output.length() - split[lastIndex].length() - 1; + } + output.setSpan(new BulletSpan(15 * mListParents.size()), start, output.length(), 0); + } else if (mListParents.lastElement().equals("ol")) { + mListItemCount++; + output.append("\n"); + String[] split = output.toString().split("\n"); + int start = 0; + if (split.length != 1) { + int lastIndex = split.length - 1; + start = output.length() - split[lastIndex].length() - 1; + } + output.insert(start, mListItemCount + ". "); + output.setSpan(new LeadingMarginSpan.Standard(15 * mListParents.size()), start, + output.length(), 0); + } + } +} |