85 lines
2.7 KiB
Java
85 lines
2.7 KiB
Java
/*
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This file is part of the dandelion*.
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dandelion* is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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dandelion* is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with the dandelion*.
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If not, see <http://www.gnu.org/licenses/>.
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*/
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package com.github.dfa.diaspora_android.ui;
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import android.annotation.TargetApi;
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import android.content.Context;
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import android.support.v7.widget.AppCompatTextView;
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import android.text.Html;
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import android.text.SpannableString;
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import android.text.util.Linkify;
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import android.util.AttributeSet;
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import android.util.Patterns;
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import com.github.dfa.diaspora_android.activity.MainActivity;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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/**
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* TextView, that renders HTML with highlited and clickable links and hashtags.
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* Links are opened in a webbrowser.
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* Hashtags open the MainActivity, load the new-post site of the selected pod and insert the
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* hashtag into the post editor. See data/HashtagContentProvider.
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*/
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public class HtmlTextView extends AppCompatTextView {
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public HtmlTextView(Context context) {
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super(context);
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init();
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}
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public HtmlTextView(Context context, AttributeSet attrs) {
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super(context, attrs);
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init();
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}
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public HtmlTextView(Context context, AttributeSet attrs, int defStyleAttr) {
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super(context, attrs, defStyleAttr);
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init();
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}
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/**
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* Linkify, format markdown and escape the displayed message.
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*/
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private void init() {
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formatHtmlAndCustomTags();
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}
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public void setTextFormatted(String text) {
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setText(text);
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formatHtmlAndCustomTags();
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}
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private void formatHtmlAndCustomTags() {
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setText(new SpannableString(Html.fromHtml(getText().toString())));
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Linkify.TransformFilter filter = new Linkify.TransformFilter() {
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public final String transformUrl(final Matcher match, String url) {
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return match.group();
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}
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};
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Pattern hashtagPattern = Pattern.compile("[#]+[A-Za-z0-9-_]+\\b");
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String hashtagScheme = MainActivity.CONTENT_HASHTAG;
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Linkify.addLinks(this, hashtagPattern, hashtagScheme, null, filter);
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Pattern urlPattern = Patterns.WEB_URL;
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Linkify.addLinks(this, urlPattern, null, null, filter);
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}
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} |