/**
* Copyright (C) Gadglet .
*
* This file is part of Gadglet
*
* Gadglet is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Gadglet 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Gadglet. If not, see <http://www.gnu.org/licenses/>.
*/
package com.gadglet.gadgets.personalNotes.client;
import com.gadglet.client.gwt.GadgetNativeUtils;
import com.gadglet.client.gwt.GadgetUtils;
import com.gadglet.client.gwt.core.GadgletQuery;
import com.gadglet.client.gwt.core.GadgletRequest;
import com.gadglet.client.gwt.core.GadgletResponse;
import com.gadglet.client.gwt.core.ui.ShareWithIcon;
import com.gadglet.client.gwt.ui.CanvasViewMainPanel;
import com.gadglet.client.gwt.ui.DebugDialogBox;
import com.gadglet.client.gwt.ui.SimpleDialogBox;
import com.gadglet.client.gwt.ui.UIUtils;
import com.gadglet.gadgets.personalNotes.shared.Params;
import com.gadglet.params.ProfileFields;
import com.gadglet.params.ReqActionTypes;
import com.gadglet.params.ReqTypes;
import com.gadglet.params.SortTypes;
import com.google.gwt.event.dom.client.BlurEvent;
import com.google.gwt.event.dom.client.BlurHandler;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.gadgets.client.ContentSection;
import com.google.gwt.gadgets.client.Gadget.ContentType;
import com.google.gwt.gadgets.client.Gadget.InjectContent;
import com.google.gwt.gadgets.client.PreferencesFeature;
import com.google.gwt.gadgets.client.PreferencesProvider;
import com.google.gwt.gadgets.client.io.MethodType;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.DisclosurePanel;
import com.google.gwt.user.client.ui.Grid;
import com.google.gwt.user.client.ui.HTML;
import com.google.gwt.user.client.ui.HasVerticalAlignment;
import com.google.gwt.user.client.ui.HorizontalPanel;
import com.google.gwt.user.client.ui.Image;
import com.google.gwt.user.client.ui.Label;
import com.google.gwt.user.client.ui.RadioButton;
import com.google.gwt.user.client.ui.RootPanel;
import com.google.gwt.user.client.ui.TextArea;
import com.google.gwt.user.client.ui.VerticalPanel;
/**
* The Gadget Canvas view
* <p>
* In this view user can:
* <li> Edit profile
* <li> Invite and accept friends
* <li> Add personal notes
* <li> Delete personal notes
* <li> Share personal notes
* <li> Edit/Update Personal notes
*
*
*/
@InjectContent(files = "canvas.html")
@ContentType(type = "html", views = { "canvas" })
public class PersonalNotesCanvasView extends
ContentSection<PersonalNotesGadget> {
private DebugDialogBox debug = null;
/**
* Query object use to create a request for personal notes list
*/
final GadgletQuery viewPersonalNotesQry = new GadgletQuery(
ReqTypes.MINGLET);
/**
* Request object used to send a request to the gadget server
* and process the results
*/
final ViewPersonalNotes viewPersonalNotesRequest = new ViewPersonalNotes(
viewPersonalNotesQry);
/**
* Query object used to build "add", "update" and "delete" requests
*/
final GadgletQuery changePersonalNoteQry = new GadgletQuery(
ReqTypes.MINGLET);
/**
* Request Object used to perform "add" and "delete" requests
* and process the results
*/
final GadgletRequest addDeletePersonalNoteRequest = new AddDeletePersonalNotes(
changePersonalNoteQry);
/**
* Request Object used to perform "update" requests
*/
final GadgletRequest updatePersonalNoteRequest = new UpdatePersonalNotes(
changePersonalNoteQry);
/**
* The result grid
*/
final Grid results = new Grid();
/**
* Container for the "prev" "next" buttons
*/
protected final HorizontalPanel paging = new HorizontalPanel();
final Button prevButton = new Button();
final Button nextButton = new Button();
final PreferencesFeature prefsUtils = PreferencesProvider.get();
final SimpleDialogBox serverMessage = SimpleDialogBox
.getMesseageDialogBox();
@Override
public void init(PersonalNotesGadget gadget) {
results.setCellSpacing(0);
results.setCellPadding(2);
addDeletePersonalNoteRequest.setMethodType(MethodType.POST);
debug = DebugDialogBox.getErrorNotifier();
prevButton.setText(prefsUtils.getMsg("gadgetLabelPrevious"));
nextButton.setText(prefsUtils.getMsg("gadgetLabelNext"));
final CanvasViewMainPanel mainPanel = new CanvasViewMainPanel();
final HorizontalPanel addItemPanel = new HorizontalPanel();
final DisclosurePanel addDisclosurePanel = new DisclosurePanel(
prefsUtils.getMsg("gadgetLabelAdd"));
final TextArea message = new TextArea();
message.setSize(GadgetNativeUtils.getGadgetWidth() / 2 + "px","200px");
final VerticalPanel priority = new VerticalPanel();
final RadioButton highPriority = new RadioButton("priorityFilter",
prefsUtils.getMsg("gadgetLabelHigh"));
final RadioButton medPriority = new RadioButton("priorityFilter",
prefsUtils.getMsg("gadgetLabelMedium"));
final RadioButton lowPriority = new RadioButton("priorityFilter",
prefsUtils.getMsg("gadgetLabelLow"));
lowPriority.setValue(true);
priority.add(highPriority);
priority.add(medPriority);
priority.add(lowPriority);
final Button saveButton = new Button(
prefsUtils.getMsg("gadgetLabelSave"));
final PrioritySelection selection = new PrioritySelection(
viewPersonalNotesQry, viewPersonalNotesRequest);
addItemPanel.setVerticalAlignment(HasVerticalAlignment.ALIGN_BOTTOM);
addItemPanel.add(message);
addItemPanel.add(new HTML(" "));
addItemPanel.add(priority);
addItemPanel.add(new HTML(" "));
addItemPanel.add(saveButton);
/** This code is designed to demonstrate a ("custom")request
* to a server side method that is defined on the Gadget level
* the name of the server side method is explicitly set "doDeleteAll"
* with the setContentActoinName() method.
* @ see com.gadglet.gadgets.personalNotes.server.RequestHandler.deleteAll()
to test enable both client and server-side code
*/
final Button deleteAllButton = new Button(prefsUtils.getMsg("gadgetLabelDelete")+ " " + prefsUtils.getMsg("gadgetLabelAll"));
addItemPanel.add(UIUtils.getSpace());
addItemPanel.add(deleteAllButton);
deleteAllButton.addClickHandler(new ClickHandler() {
@Override
public void onClick(ClickEvent event) {
changePersonalNoteQry.setContentActoinName("doDeleteAll");
changePersonalNoteQry.clearParamList();
addDeletePersonalNoteRequest.makeRequest();
}
});
addDisclosurePanel.add(addItemPanel);
addDisclosurePanel.setHeader(new HTML(prefsUtils
.getMsg("gadgetLabelAdd")));
mainPanel.add(addDisclosurePanel);
mainPanel.add(selection.getPanel());
mainPanel.add(results);
RootPanel.get().add(mainPanel.getGadgetPanel());
saveButton.addClickHandler(new ClickHandler() {
@Override
public void onClick(ClickEvent event) {
changePersonalNoteQry.setRequestAction(ReqActionTypes.ADD);
changePersonalNoteQry.clearParamList();
String priority = "";
if (highPriority.getValue())
priority = "1";
else if (medPriority.getValue())
priority = "2";
else
priority = "3";
changePersonalNoteQry.addParam(Params.PRIORITY.getParamName(), priority);
changePersonalNoteQry.addParam(Params.MESSAGE.getParamName(),
message.getValue());
addDeletePersonalNoteRequest.makeRequest();
message.setValue("");
}
});
viewPersonalNotesQry.setRequestAction(ReqActionTypes.VIEW);
viewPersonalNotesQry.addSortBy("creation", SortTypes.ASC);
viewPersonalNotesQry
.setReturnField("personalNotesMessage,creation");
viewPersonalNotesQry.setStartItemsFrom(0);
viewPersonalNotesQry.setItemsNum(20);
viewPersonalNotesRequest.makeRequest();
prevButton.setVisible(false);
prevButton.addClickHandler(new ClickHandler() {
@Override
public void onClick(ClickEvent event) {
viewPersonalNotesQry.setStartItemsFrom(viewPersonalNotesQry
.getStartFrom() - viewPersonalNotesQry.getItemNum());
viewPersonalNotesRequest.makeRequest();
}
});
paging.add(prevButton);
nextButton.setVisible(false);
nextButton.addClickHandler(new ClickHandler() {
@Override
public void onClick(ClickEvent event) {
viewPersonalNotesQry.setStartItemsFrom(viewPersonalNotesQry
.getStartFrom() + viewPersonalNotesQry.getItemNum());
viewPersonalNotesRequest.makeRequest();
}
});
paging.add(nextButton);
}
public class ViewPersonalNotes extends GadgletRequest {
GadgletResponse jResponse;
ViewPersonalNotes(GadgletQuery req) {
super(req);
}
@Override
protected void processResults(GadgletResponse data) {
jResponse = data;
results.resize(0, 4);
results.clear();
if (jResponse.isSuccessful() && jResponse.getRootItemsNum()>0) {
results.resize(1, 4);
DeleteImage deleteImage = null;
int index;
String rowStyle = null;
for (index = 0; index < jResponse.getRootItemsNum(); index++) {
if (index%2==0)
rowStyle = "gridRowShadow";
else
rowStyle = "gridRowNoShadow";
results.getRowFormatter().setStyleName(index, rowStyle);
results.setWidget(index, 0, new Image(GadgetUtils.getGadgetIconURL(jResponse.getStringItemValue(
Params.PRIORITY.getParamName(), index), null, false)));
final Label msg = new Label();
final String noteId = jResponse.getItemKeyValue(index);
msg.setText(jResponse.getStringItemValue(
Params.MESSAGE.getParamName(), index));
VerticalPanel msgItem= new VerticalPanel();
msgItem.add(msg);
final TextArea msgEdit = new TextArea();
if(data.isUpdatePermitted(index)){
msgEdit.setWidth("500px");
msgEdit.setVisible(false);
msgEdit.setText(jResponse.getStringItemValue(
Params.MESSAGE.getParamName(), index));
msgItem.add(msgEdit);
msg.addClickHandler(new ClickHandler() {
@Override
public void onClick(ClickEvent event) {
msgEdit.setVisible(true);
msg.setVisible(false);
}
});
msgEdit.addBlurHandler(new BlurHandler(){
@Override
public void onBlur(BlurEvent event) {
// ignore empty
if(msgEdit.getText().length()==0){
msgEdit.setVisible(false);
msg.setVisible(true);
msgEdit.setText(msg.getText());
}
else
{
msgEdit.setVisible(false);
msg.setText(msgEdit.getText());
msg.setVisible(true);
changePersonalNoteQry.clearParamList();
changePersonalNoteQry
.setRequestAction(ReqActionTypes.UPDATE);
changePersonalNoteQry
.setRequestItemkey(noteId);
changePersonalNoteQry.addParam(Params.MESSAGE.getParamName(),
msgEdit.getText());
updatePersonalNoteRequest.makeRequest();
}
}});
}
results.setWidget(index, 1, msgItem);
deleteImage = new DeleteImage(GadgetUtils.getGadgetIconURL(
"delete", null, false),
jResponse.getItemKeyValue(index));
if(data.isDeletePermitted(index)){
deleteImage.addClickHandler(new ClickHandler() {
@Override
public void onClick(ClickEvent event) {
changePersonalNoteQry.clearParamList();
changePersonalNoteQry
.setRequestAction(ReqActionTypes.DELETE);
changePersonalNoteQry
.setRequestItemkey(((DeleteImage) event
.getSource()).getItemID());
addDeletePersonalNoteRequest.makeRequest();
}
});
}
else{
// delete: "hide" sharing
deleteImage.addClickHandler(new ClickHandler() {
@Override
public void onClick(ClickEvent event) {
changePersonalNoteQry.clearParamList();
changePersonalNoteQry
.setRequestAction(ReqActionTypes.DELETE);
changePersonalNoteQry.setCustomtContentName("sharing");
changePersonalNoteQry
.setRequestItemkey(((DeleteImage) event
.getSource()).getItemID());
addDeletePersonalNoteRequest.makeRequest();
changePersonalNoteQry.setCustomtContentName(null);
}
});
}
results.setWidget(index, 2, deleteImage);
if(data.isSharePermitted(index)){
ShareWithIcon shareWithIcon = new ShareWithIcon(jResponse.getItemKeyValue(index),msg.getText());
Image shareIcon = shareWithIcon.getImage();
results.setWidget(index, 3, shareIcon);
}
else{
String nick = data.getStringItemValue(ProfileFields.PROFILE_NICKNAME.getParamName(),index);
String photo = data.getStringItemValue(ProfileFields.PROFILE_THUMBNAILURL.getParamName(),index);
HorizontalPanel profile = new HorizontalPanel();
profile.setVerticalAlignment(HasVerticalAlignment.ALIGN_MIDDLE);
if(nick!=null)
if(nick!=null){
profile.add(new HTML(prefsUtils.getMsg("gadgetLabelSharedBy")+":"));
profile.add(UIUtils.getSpace());
profile.add(new Label(nick));
}
if(photo!=null && !photo.isEmpty()){
profile.add(UIUtils.getSpace());
Image photoImg = new Image(photo);
photoImg.setPixelSize(40, 40);
profile.add(photoImg);
}
results.setWidget(index, 3, profile);
}
results.resize(index + 3, 4);
}
if (viewPersonalNotesQry.getStartFrom() > 0)
prevButton.setVisible(true);
else
prevButton.setVisible(false);
if (jResponse.hasMoreItems())
nextButton.setVisible(true);
else
nextButton.setVisible(false);
results.setWidget(index, 0, paging);
}
}
}
/**
* Request object for "add" and "delete"
*
*/
public class AddDeletePersonalNotes extends GadgletRequest {
AddDeletePersonalNotes(GadgletQuery req) {
super(req);
}
@Override
protected void processResults(GadgletResponse data) {
GadgletResponse jResponse = data;
if (jResponse.isSuccessful()) {
// reffresh
viewPersonalNotesRequest.makeRequest();
} else {
serverMessage
.showError(prefsUtils.getMsg(jResponse.getError()));
}
}
}
/**
* Request object for "update"
*
*/
public class UpdatePersonalNotes extends GadgletRequest {
UpdatePersonalNotes(GadgletQuery req) {
super(req);
}
@Override
protected void processResults(GadgletResponse data) {
GadgletResponse jResponse = data;
if (jResponse.isSuccessful()) {
// do nothing
} else {
serverMessage
.showError(prefsUtils.getMsg(jResponse.getError()));
}
}
}
}