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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
* Copyright 2009 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms.
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* this list of conditions and the following disclaimer.
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* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
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* may be used to endorse or promote products derived from this software
* without specific prior written permission.
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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package tweeter.view;
import java.io.InputStream;
import java.io.OutputStream;
import java.lang.Exception;
import javafx.animation.KeyFrame;
import javafx.animation.Timeline;
import javafx.data.Pair;
import javafx.io.http.HttpHeader;
import javafx.io.http.HttpRequest;
import javafx.io.http.URLConverter;
import javafx.scene.control.TextBox;
import javafx.scene.Group;
import javafx.scene.input.KeyCode;
import javafx.scene.Node;
import javafx.scene.paint.Color;
import javafx.scene.shape.Line;
import javafx.scene.shape.Rectangle;
import tweeter.model.Status;
import tweeter.parser.StatusParser;
import tweeter.view.AbstractView;
import tweeter.view.ImageButton;
import tweeter.view.list.ListItem;
import tweeter.view.list.ListView;
import tweeter.view.TweeterView;
public class FriendsView extends AbstractView {
public var user : String;
public var passwd : String;
public var loggedIn = false;
public var onException: function(message : String) = null;
override var show = true on replace {
if(visible) {
statusTextBox.requestFocus();
}
};
var statusTextBox : TextBox = TextBox {
translateX: 12
translateY: 24
width: (TweeterView.width - 60)
promptText: "My Status"
action: function() {
statusTextBox.commit();
addStatus("{statusTextBox.text}");
statusTextBox.text = "";
}
onKeyPressed: function(e) {
if(e.code == KeyCode.VK_DOWN) {
statusList.requestFocus();
}
}
}
var statusButton = ImageButton {
translateX: (TweeterView.width - 42)
translateY: 20
normalImage: TweeterView.theme.statusImage
onMousePressed: function(e) {
statusTextBox.commit();
addStatus("{statusTextBox.rawText}");
statusTextBox.text = "";
}
};
var statusListItem : ListItem[];
var statusList : ListView = ListView {
translateX: 5
translateY: 57
height: TweeterView.height - 95
listItem: bind statusListItem
onKeyPressed: function(e) {
if(e.code == KeyCode.VK_LEFT or e.code == KeyCode.VK_RIGHT) {
statusTextBox.requestFocus();
}
}
};
var updateTimeline = Timeline {
repeatCount: Timeline.INDEFINITE
keyFrames: [
KeyFrame {
time: 60s
action: function() {
updateStatusList();
}
}
]
};
public function start() : Void {
loggedIn = true;
updateStatusList();
if(not updateTimeline.running) {
updateTimeline.play();
}
}
function updateStatusList() : Void {
var httpHeader = HttpHeader.basicAuth(user, passwd);
var httpRequest = HttpRequest {
location: "http:
headers: [ httpHeader ]
onInput: function(is: InputStream) {
try {
StatusParser{ updateStatus: updateStatus }.parse(is);
} finally {
is.close();
}
}
onException: function(ex: java.lang.Exception) {
onException("{ex.getMessage()}");
show = false;
loggedIn = false;
}
};
httpRequest.start();
}
public function updateStatus(statuses : Status[]) : Void {
delete statusListItem;
var index = 0;
for(status in statuses) {
var listItem = ListItem {
listView: statusList
canDelete: status.user.screenName.equals(user)
onDelete: deleteStatus
};
listItem.setStatus(status);
insert listItem into statusListItem;
index++;
};
}
function addStatus(message : String) : Void {
if(not ((message != null) and (message.trim().length() > 0))) {
return;
}
var httpHeader = HttpHeader.basicAuth(user, passwd);
var httpRequest = HttpRequest {
location: "http:
headers: [ httpHeader ]
method: HttpRequest.POST
onInput: function(is: InputStream) {
is.close();
}
onOutput: function(os: OutputStream) {
var urlConverter = URLConverter{};
var pair = Pair {
name: "status"
value: ListItem.trimString("{message}", 140)
};
var encodedMessage = urlConverter.encodeParameters([pair]);
os.write(encodedMessage.getBytes());
os.close();
}
onException: function(ex: Exception) {
onException("{ex.getMessage()}");
}
onDone: function() {
updateStatusList();
}
};
httpRequest.start();
}
function deleteStatus(id : String): Void {
if(not ((id != null) and (id.trim().length() > 0))) {
return;
}
var httpHeader = HttpHeader.basicAuth(user, passwd);
var httpRequest = HttpRequest {
location: "http:
headers: [ httpHeader ]
method: HttpRequest.POST
onInput: function(is: InputStream) {
is.close();
}
onOutput: function(os: OutputStream) {
os.close();
}
onException: function(ex: java.lang.Exception) {
onException("{ex.getMessage()}");
}
onDone: function() {
updateStatusList();
}
};
httpRequest.start();
}
public function logout() : Void {
if(not loggedIn) { return; }
updateTimeline.stop();
delete statusListItem;
loggedIn = false;
var httpHeader = HttpHeader.basicAuth(user, passwd);
user = "";
passwd = "";
var httpRequest = HttpRequest {
location: "http:
headers: [ httpHeader ]
method: HttpRequest.POST
onOutput: function(os: OutputStream) {
os.close();
}
onException: function(ex: java.lang.Exception) {
onException("{ex.getMessage()}");
}
};
httpRequest.start();
}
override function create() : Node {
var bgRect = Rectangle {
x: 0
y: 0
width: TweeterView.width
height: 55
fill: Color.web("#DDEEF7")
}
var line = Line {
startX: 2
startY: 55
endX: TweeterView.width - 4
endY: 55
stroke: bind Color.web("#{TweeterView.theme.linkColor}")
};
Group {
content: bind [ statusList, bgRect, statusTextBox, statusButton, line ]
}
}
}