Java tutorial
/* * Twidere - Twitter client for Android * * Copyright (C) 2012 Mariotaku Lee <mariotaku.lee@gmail.com> * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package org.mariotaku.twidere.adapter; import static android.text.format.DateUtils.formatSameDayTime; import static android.text.format.DateUtils.getRelativeTimeSpanString; import static org.mariotaku.twidere.provider.TweetStore.DirectMessages.ConversationsEntry.IDX_ACCOUNT_ID; import static org.mariotaku.twidere.provider.TweetStore.DirectMessages.ConversationsEntry.IDX_CONVERSATION_ID; import static org.mariotaku.twidere.provider.TweetStore.DirectMessages.ConversationsEntry.IDX_NAME; import static org.mariotaku.twidere.provider.TweetStore.DirectMessages.ConversationsEntry.IDX_PROFILE_IMAGE_URL; import static org.mariotaku.twidere.provider.TweetStore.DirectMessages.ConversationsEntry.IDX_SCREEN_NAME; import static org.mariotaku.twidere.provider.TweetStore.DirectMessages.ConversationsEntry.IDX_TEXT; import static org.mariotaku.twidere.util.HtmlEscapeHelper.toPlainText; import static org.mariotaku.twidere.util.Utils.getAccountColor; import static org.mariotaku.twidere.util.Utils.getUserColor; import java.text.DateFormat; import org.mariotaku.twidere.R; import org.mariotaku.twidere.adapter.iface.IBaseAdapter; import org.mariotaku.twidere.provider.TweetStore.DirectMessages.ConversationsEntry; import org.mariotaku.twidere.util.LazyImageLoader; import org.mariotaku.twidere.view.holder.DirectMessageEntryViewHolder; import android.content.Context; import android.database.Cursor; import android.graphics.Color; import android.support.v4.widget.SimpleCursorAdapter; import android.view.View; import android.view.ViewGroup; public class DirectMessagesEntryAdapter extends SimpleCursorAdapter implements IBaseAdapter { private boolean mDisplayProfileImage, mShowAccountColor, mShowAbsoluteTime, mFastProcessingEnabled; private final LazyImageLoader mProfileImageLoader; private float mTextSize; private int mNameDisplayOption; public DirectMessagesEntryAdapter(final Context context, final LazyImageLoader loader) { super(context, R.layout.direct_messages_entry_item, null, new String[0], new int[0], 0); mProfileImageLoader = loader; } @Override public void bindView(final View view, final Context context, final Cursor cursor) { final DirectMessageEntryViewHolder holder = (DirectMessageEntryViewHolder) view.getTag(); final long account_id = cursor.getLong(ConversationsEntry.IDX_ACCOUNT_ID); final long conversation_id = cursor.getLong(ConversationsEntry.IDX_CONVERSATION_ID); final long message_timestamp = cursor.getLong(ConversationsEntry.IDX_MESSAGE_TIMESTAMP); final boolean is_outgoing = cursor.getInt(ConversationsEntry.IDX_IS_OUTGOING) == 1; final String name = cursor.getString(IDX_NAME); final String screen_name = cursor.getString(IDX_SCREEN_NAME); holder.setAccountColorEnabled(mShowAccountColor); if (mShowAccountColor) { holder.setAccountColor(getAccountColor(mContext, account_id)); } if (!mFastProcessingEnabled) { holder.setUserColor(getUserColor(mContext, conversation_id)); } else { holder.setUserColor(Color.TRANSPARENT); } holder.setTextSize(mTextSize); switch (mNameDisplayOption) { case NAME_DISPLAY_OPTION_CODE_NAME: { holder.name.setText(name); holder.screen_name.setText(null); holder.screen_name.setVisibility(View.GONE); break; } case NAME_DISPLAY_OPTION_CODE_SCREEN_NAME: { holder.name.setText("@" + screen_name); holder.screen_name.setText(null); holder.screen_name.setVisibility(View.GONE); break; } default: { holder.name.setText(name); holder.screen_name.setText("@" + screen_name); holder.screen_name.setVisibility(View.VISIBLE); break; } } holder.text.setText(toPlainText(cursor.getString(IDX_TEXT))); if (mShowAbsoluteTime) { holder.time.setText(formatSameDayTime(message_timestamp, System.currentTimeMillis(), DateFormat.MEDIUM, DateFormat.SHORT)); } else { holder.time.setText(getRelativeTimeSpanString(message_timestamp)); } holder.time.setCompoundDrawablesWithIntrinsicBounds(0, 0, is_outgoing ? R.drawable.ic_indicator_outgoing : R.drawable.ic_indicator_incoming, 0); holder.profile_image.setVisibility(mDisplayProfileImage ? View.VISIBLE : View.GONE); if (mDisplayProfileImage) { final String profile_image_url_string = cursor.getString(IDX_PROFILE_IMAGE_URL); mProfileImageLoader.displayImage(holder.profile_image, profile_image_url_string); } super.bindView(view, context, cursor); } public long getAccountId(final int position) { return ((Cursor) getItem(position)).getLong(IDX_ACCOUNT_ID); } public long getConversationId(final int position) { return ((Cursor) getItem(position)).getLong(IDX_CONVERSATION_ID); } @Override public View newView(final Context context, final Cursor cursor, final ViewGroup parent) { final View view = super.newView(context, cursor, parent); final Object tag = view.getTag(); if (!(tag instanceof DirectMessageEntryViewHolder)) { view.setTag(new DirectMessageEntryViewHolder(view)); } return view; } @Override public void setDisplayProfileImage(final boolean display) { if (display != mDisplayProfileImage) { mDisplayProfileImage = display; notifyDataSetChanged(); } } public void setFastProcessingEnabled(final boolean enabled) { if (enabled != mFastProcessingEnabled) { mFastProcessingEnabled = enabled; notifyDataSetChanged(); } } @Override public void setNameDisplayOption(final String option) { if (NAME_DISPLAY_OPTION_NAME.equals(option)) { mNameDisplayOption = NAME_DISPLAY_OPTION_CODE_NAME; } else if (NAME_DISPLAY_OPTION_SCREEN_NAME.equals(option)) { mNameDisplayOption = NAME_DISPLAY_OPTION_CODE_SCREEN_NAME; } else { mNameDisplayOption = 0; } } public void setShowAbsoluteTime(final boolean show) { if (show != mShowAbsoluteTime) { mShowAbsoluteTime = show; notifyDataSetChanged(); } } public void setShowAccountColor(final boolean show) { if (show != mShowAccountColor) { mShowAccountColor = show; notifyDataSetChanged(); } } @Override public void setTextSize(final float text_size) { if (text_size != mTextSize) { mTextSize = text_size; notifyDataSetChanged(); } } }