Example usage for com.google.gwt.requestfactory.shared Receiver Receiver

Introduction

In this page you can find the example usage for com.google.gwt.requestfactory.shared Receiver Receiver.

Prototype

Receiver

Source Link

Usage

From source file:com.acme.gwt.client.presenter.ShowDetailPresenter.java

License:Apache License

@Override
public void start(final AcceptsOneWidget panel, EventBus eventBus) {
    view.setPresenter(this);
    //load it and show it
    rf.find(place.getId()).with(view.getEditor().getPaths()).to(new Receiver<TvShowProxy>() {
        @Override/*from w w  w  .j  a v  a2s.c  o  m*/
        public void onSuccess(TvShowProxy response) {
            //deal with data, wire into view
            view.getEditor().display(response);

            //show view
            panel.setWidget(view);
        }
    }).fire();
}

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From source file:com.acme.gwt.client.TvGuide.java

License:Apache License

public void onModuleLoad() {

    //code from jnorthrup's fork, will be moved to a presenter soon enough
    EventBus eventBus = GWT.create(SimpleEventBus.class);
    final MyRequestFactory rf = GWT.create(MyRequestFactory.class);
    rf.initialize(eventBus);//from www.j a  v a2  s . c  o m
    final GateKeeper gateKeeper = new GateKeeper();
    new DialogBox() {
        {
            final TextBox email = new TextBox() {
                {
                    setText("you@example.com");
                }
            };
            final PasswordTextBox passwordTextBox = new PasswordTextBox();
            setText("please log in");
            setWidget(new VerticalPanel() {
                {
                    add(new HorizontalPanel() {
                        {
                            add(new Label("email"));
                            add(email);
                        }
                    });
                    add(new HorizontalPanel() {
                        {
                            add(new Label("Password"));
                            add(passwordTextBox);
                        }
                    });
                    add(new Button("OK!!") {
                        {
                            addClickHandler(new ClickHandler() {
                                @Override
                                public void onClick(ClickEvent event) {
                                    String text = passwordTextBox.getText();
                                    String digest = Md5.md5Hex(text);
                                    Request<TvViewerProxy> authenticate = rf.reqViewer()
                                            .authenticate(email.getText(), digest);
                                    authenticate
                                            .with("geo", "name", "favoriteShows.name",
                                                    "favoriteShows.description")
                                            .to(gateKeeper).fire(new Receiver<Void>() {
                                                @Override
                                                public void onSuccess(Void response) {
                                                    hide(); //todo: review for a purpose
                                                    removeFromParent();
                                                }
                                            });
                                }
                            });
                        }
                    });
                }
            });
            center();
            show();
        }
    };
}

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From source file:com.eatrightapp.admin.client.activity.UserAccountsActivity.java

License:Apache License

@Override
public void start(AcceptsOneWidget containerWidget, EventBus eventBus) {
    userAccountsView = clientFactory.getUserAccountsView();
    userAccountsView.setPresenter(this);

    final LoginWidget loginWidget = userAccountsView.getLoginWidget();
    Receiver<UserInformationProxy> receiver = new Receiver<UserInformationProxy>() {
        @Override//from  ww  w  .jav  a2 s.c o m
        public void onSuccess(UserInformationProxy userInformationRecord) {
            loginWidget.setUserInformation(userInformationRecord);
        }
    };
    requestFactory.userInformationRequest().getCurrentUserInformation(Location.getHref()).fire(receiver);

    containerWidget.setWidget(userAccountsView.asWidget());
}

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From source file:com.google.gwt.sample.expenses.client.ExpenseDetails.java

License:Apache License

public void onExpenseRecordChanged(EntityProxyChange<ExpenseProxy> event) {
    final EntityProxyId<ExpenseProxy> proxyId = event.getProxyId();

    int index = 0;
    final List<ExpenseProxy> list = items.getList();
    for (ExpenseProxy r : list) {
        if (items.getKey(r).equals(proxyId)) {
            final int i = index;
            expensesRequestFactory.find(proxyId).fire(new Receiver<ExpenseProxy>() {
                @Override/*from   www .j a  va  2 s.  c  om*/
                public void onSuccess(ExpenseProxy newRecord) {
                    list.set(i, newRecord);

                    // Update the view data if the approval has been updated.
                    ApprovalViewData avd = approvalCell.getViewData(proxyId);
                    if (avd != null && avd.getPendingApproval().equals(newRecord.getApproval())) {
                        syncCommit(newRecord, null);
                    }
                }
            });
        }
        index++;
    }

    refreshCost();
    if (lastComparator != null) {
        sortExpenses(list, lastComparator);
    }
}

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From source file:com.google.gwt.sample.expenses.client.ExpenseDetails.java

License:Apache License

public void onReportChanged(EntityProxyChange<ReportProxy> event) {
    EntityProxyId<ReportProxy> changed = event.getProxyId();
    if (report != null && report.getId().equals(changed)) {
        // Request the updated report.
        expensesRequestFactory.reportRequest().findReport(report.getId()).fire(new Receiver<ReportProxy>() {
            @Override//  w w w . j  a  va  2 s  . c  om
            public void onSuccess(ReportProxy response) {
                report = response;
                setNotesEditState(false, false, response.getNotes());
            }
        });
    }
}

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From source file:com.google.gwt.sample.expenses.client.ExpenseDetails.java

License:Apache License

/**
 * Request the expenses./*w w w.  j a va2s .  c om*/
 */
private void requestExpenses() {
    // Cancel the timer since we are about to send a request.
    refreshTimer.cancel();
    lastReceiver = new Receiver<List<ExpenseProxy>>() {
        @Override
        public void onSuccess(List<ExpenseProxy> newValues) {
            if (this == lastReceiver) {
                List<ExpenseProxy> list = new ArrayList<ExpenseProxy>(newValues);
                if (lastComparator != null) {
                    sortExpenses(list, lastComparator);
                }
                items.setList(list);
                refreshCost();

                // Add the new keys and changed values to the known keys.
                boolean isInitialData = knownExpenseKeys == null;
                if (knownExpenseKeys == null) {
                    knownExpenseKeys = new HashMap<Object, ExpenseProxy>();
                }
                for (ExpenseProxy value : newValues) {
                    Object key = items.getKey(value);
                    if (!isInitialData) {
                        ExpenseProxy existing = knownExpenseKeys.get(key);
                        if (existing == null || !value.getAmount().equals(existing.getAmount())
                                || !value.getDescription().equals(existing.getDescription())
                                || !value.getCategory().equals(existing.getCategory())) {
                            (new PhaseAnimation.CellTablePhaseAnimation<ExpenseProxy>(table, value, items))
                                    .run();
                        }
                    }
                    knownExpenseKeys.put(key, value);
                }
            }

            // Reschedule the timer.
            refreshTimer.schedule(REFRESH_INTERVAL);
        }
    };

    expensesRequestFactory.expenseRequest().findExpensesByReport(report.getId()).with(getExpenseColumns())
            .fire(lastReceiver);
}

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From source file:com.google.gwt.sample.expenses.client.ExpenseDetails.java

License:Apache License

/**
 * Save the notes that the user entered in the notes box.
 *//*w  w w  .java  2  s  .co  m*/
private void saveNotes() {
    // Early exit if the notes haven't changed.
    final String pendingNotes = notesBox.getText();
    if (pendingNotes.equals(report.getNotes())) {
        setNotesEditState(false, false, pendingNotes);
        return;
    }

    // Switch to the pending view.
    setNotesEditState(false, true, pendingNotes);

    // Submit the delta.
    ReportRequest editRequest = expensesRequestFactory.reportRequest();
    ReportProxy editableReport = editRequest.edit(report);
    editableReport.setNotes(pendingNotes);
    editRequest.persist().using(editableReport).fire(new Receiver<Void>() {
        @Override
        public void onSuccess(Void ignore) {
        }
    });
}

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From source file:com.google.gwt.sample.expenses.client.ExpenseDetails.java

License:Apache License

private void updateExpenseRecord(final ExpenseProxy record, String approval, String reasonDenied) {
    // Verify that the total is under the cap.
    if (Expenses.Approval.APPROVED.is(approval) && !Expenses.Approval.APPROVED.is(record.getApproval())) {
        double amount = record.getAmount();
        if (amount + totalApproved > MAX_COST) {
            syncCommit(record,//from  w  w  w.  j  a  v  a2  s. c o  m
                    "The total approved amount for an expense report cannot exceed $" + MAX_COST + ".");
            return;
        }
    }

    // Create a delta and sync with the value store.
    ExpenseRequest editRequest = expensesRequestFactory.expenseRequest();
    ExpenseProxy editableRecord = editRequest.edit(record);
    editableRecord.setApproval(approval);
    editableRecord.setReasonDenied(reasonDenied);
    editRequest.persist().using(editableRecord).fire(new Receiver<Void>() {
        @Override
        public void onSuccess(Void ignore) {
        }

        // TODO: use onViolations for checking constraint violations.
    });
}

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From source file:com.google.gwt.sample.expenses.client.ExpenseList.java

License:Apache License

/**
 * Send a request for reports in the current range.
 *
 * @param isPolling true if this request is caused by polling
 *//*from  ww w. j  av  a2 s .co  m*/
private void requestReports(boolean isPolling) {
    // Cancel the refresh timer.
    refreshTimer.cancel();

    // Early exit if we don't have a request factory to request from.
    if (requestFactory == null) {
        return;
    }

    // Clear the known keys.
    if (!isPolling) {
        knownReportKeys = null;
    }

    // Get the parameters.
    String startsWith = startsWithSearch;
    if (startsWith == null || searchBox.getDefaultText().equals(startsWith)) {
        startsWith = "";
    }
    Range range = table.getVisibleRange();
    Long employeeId = employee == null ? -1 : new Long(employee.getId());
    String dept = department == null ? "" : department;

    // If a search string is specified, the results will not be sorted.
    if (startsWith.length() > 0) {
        for (SortableHeader header : allHeaders) {
            header.setSorted(false);
            header.setReverseSort(false);
        }
        table.redrawHeaders();
    }

    // Request the total data size.
    if (isCountStale) {
        isCountStale = false;
        if (!isPolling) {
            pager.startLoading();
        }
        lastDataSizeReceiver = new Receiver<Long>() {
            @Override
            public void onSuccess(Long response) {
                if (this == lastDataSizeReceiver) {
                    int count = response.intValue();
                    // Treat count == 1000 as inexact due to AppEngine limitation
                    reports.updateRowCount(count, count != 1000);
                }
            }
        };
        requestFactory.reportRequest().countReportsBySearch(employeeId, dept, startsWith)
                .fire(lastDataSizeReceiver);
    }

    // Request reports in the current range.
    lastDataReceiver = new Receiver<List<ReportProxy>>() {
        @Override
        public void onSuccess(List<ReportProxy> newValues) {
            if (this == lastDataReceiver) {
                int size = newValues.size();
                if (size < table.getPageSize()) {
                    // Now we know the exact data size
                    reports.updateRowCount(table.getPageStart() + size, true);
                }
                if (size > 0) {
                    reports.updateRowData(table.getPageStart(), newValues);
                }

                // Add the new keys to the known keys.
                boolean isInitialData = knownReportKeys == null;
                if (knownReportKeys == null) {
                    knownReportKeys = new HashSet<Object>();
                }
                for (ReportProxy value : newValues) {
                    Object key = reports.getKey(value);
                    if (!isInitialData && !knownReportKeys.contains(key)) {
                        (new PhaseAnimation.CellTablePhaseAnimation<ReportProxy>(table, value, reports)).run();
                    }
                    knownReportKeys.add(key);
                }
            }
            refreshTimer.schedule(REFRESH_INTERVAL);
        }
    };

    requestFactory.reportRequest().findReportEntriesBySearch(employeeId, dept, startsWith, orderBy,
            range.getStart(), range.getLength()).with(reportColumns).fire(lastDataReceiver);
}

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From source file:com.google.gwt.sample.expenses.client.place.AbstractProxyEditActivity.java

License:Apache License

public void saveClicked() {
    if (!changed()) {
        return;/*from   w  ww  . ja v a  2s  .  c o  m*/
    }

    setWaiting(true);
    editorDriver.flush().fire(new Receiver<Void>() {
        /*
         * Callbacks do nothing if editorDriver is null, we were stopped in
         * midflight
         */
        @Override
        public void onFailure(ServerFailure error) {
            if (editorDriver != null) {
                setWaiting(false);
                super.onFailure(error);
            }
        }

        @Override
        public void onSuccess(Void ignore) {
            if (editorDriver != null) {
                // We want no warnings from mayStop, so:

                // Defeat isChanged check
                editorDriver = null;

                // Defeat call-in-flight check
                setWaiting(false);

                exit(true);
            }
        }

        @Override
        public void onViolation(Set<Violation> errors) {
            if (editorDriver != null) {
                setWaiting(false);
                editorDriver.setViolations(errors);
            }
        }
    });
}

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