Example usage for com.google.gwt.user.client Window addWindowScrollHandler

List of usage examples for com.google.gwt.user.client Window addWindowScrollHandler

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  2. Java
  3. com.google.gwt
  4. com.google.gwt.user.client.*
  5. Window
  6. addWindowScrollHandler

Introduction

In this page you can find the example usage for com.google.gwt.user.client Window addWindowScrollHandler.

Prototype

public static HandlerRegistration addWindowScrollHandler(Window.ScrollHandler handler)

Source Link

Usage

From source file:burrito.client.Burrito.java

License:Apache License

public void onModuleLoad() {
    RootPanel adminPanel = RootPanel.get("burrito-admin");

    if (adminPanel != null) {
        String siteletContainerId = Window.Location.getParameter("container");
        if (siteletContainerId != null && !siteletContainerId.isEmpty()) {
            SiteletAdminPanel siteletAdminPanel = new SiteletAdminPanel(siteletContainerId);
            adminPanel.add(siteletAdminPanel);
        } else {/*from www  .j  a v a 2s.c  om*/
            CrudPanel crud = new CrudPanel();
            adminPanel.add(crud);
        }
        Window.addWindowScrollHandler(new ScrollHandler() {

            @Override
            public void onWindowScroll(ScrollEvent event) {
                updateEditFormButtons();
            }
        });
        Window.addResizeHandler(new ResizeHandler() {

            @Override
            public void onResize(ResizeEvent event) {
                updateEditFormButtons();
            }
        });

        Event.addNativePreviewHandler(new Event.NativePreviewHandler() {

            @Override
            public void onPreviewNativeEvent(NativePreviewEvent event) {
                if (currentCtrlSaveHandler == null) {
                    return;
                }
                if (event.getTypeInt() == Event.ONKEYDOWN) {
                    int sCharacterCode = 83;
                    if (event.getNativeEvent().getCtrlKey()
                            && event.getNativeEvent().getKeyCode() == sCharacterCode) {
                        currentCtrlSaveHandler.onCtrlSave();
                        event.cancel();
                    }
                }
            }
        });
    }
}

From source file:cc.alcina.framework.gwt.client.widget.dialog.GlassDialogBox.java

License:Apache License

@Override
public void show() {
    if (!isGlassHidden()) {
        glass.show(true);//from w  w  w .  j a va  2s.c om
    }
    scrollLeft = Window.getScrollLeft();
    scrollTop = Window.getScrollTop();
    if (this.handlerRegistration == null && !BrowserMod.isMobile()) {
        this.handlerRegistration = Window.addWindowScrollHandler(scrollHandler);
    }
    super.show();
}

From source file:ch.unifr.pai.twice.mousecontrol.client.TouchPadNintendoDS.java

License:Apache License

@Override
public void start() {
    super.start();
    if (windowScrollHandler != null)
        windowScrollHandler.removeHandler();
    windowScrollHandler = Window.addWindowScrollHandler(new Window.ScrollHandler() {

        @Override/*w  w  w  .  j  av a 2 s . c  om*/
        public void onWindowScroll(ScrollEvent event) {
            if (skipEvents > 0)
                skipEvents--;
            l.getElement().getStyle().setLeft(RootPanel.getBodyElement().getScrollLeft(), Unit.PX);
            l.getElement().getStyle().setTop(RootPanel.getBodyElement().getScrollTop(), Unit.PX);
        }
    });
    Timer t2 = new Timer() {

        @Override
        public void run() {
            skipEvents = eventsAfterReset;
            Window.scrollTo(1000, 1000);
            updater.scheduleRepeating(50);
        }
    };
    t2.schedule(1000);
}

From source file:com.arcbees.gquery.appear.client.Appear.java

License:Apache License

private HandlerRegistration addWindowScrollHandler() {
    return Window.addWindowScrollHandler(new Window.ScrollHandler() {
        @Override/*from   w  w  w .  j a v a  2s.c  o m*/
        public void onWindowScroll(Window.ScrollEvent event) {
            ON_SCROLL_FUNCTION.f();
        }
    });
}

From source file:com.axlight.gbrain.client.MainPane.java

License:Apache License

public MainPane() {
    nodeManager = new NodeManager();

    nullCallback = new AsyncCallback<Void>() {
        public void onFailure(Throwable caught) {
            GWT.log("Network error!", caught);
            showAlertDialog("Network error!");
        }/* www. ja  va 2 s .c o  m*/

        public void onSuccess(Void ignored) {
            // nothing
        }
    };

    ClickHandler borderClickHandler = new ClickHandler() {
        public void onClick(ClickEvent event) {
            int left = getWindowScrollLeft();
            int top = getWindowScrollTop();
            int screenWidth = getWindowScreenWidth();
            int screenHeight = getWindowScreenHeight();
            int prevCenterPosX = viewX + left + screenWidth / 2;
            int prevCenterPosY = viewY + top + screenHeight / 2;
            relocateCenter(prevCenterPosX, prevCenterPosY);
        }
    };

    borderNorth = new SimplePanel();
    borderNorth.addDomHandler(borderClickHandler, ClickEvent.getType());
    borderNorth.getElement().getStyle().setBackgroundColor("#445566");
    borderEast = new SimplePanel();
    borderEast.addDomHandler(borderClickHandler, ClickEvent.getType());
    borderEast.getElement().getStyle().setBackgroundColor("#445566");
    borderSouth = new SimplePanel();
    borderSouth.addDomHandler(borderClickHandler, ClickEvent.getType());
    borderSouth.getElement().getStyle().setBackgroundColor("#445566");
    borderWest = new SimplePanel();
    borderWest.addDomHandler(borderClickHandler, ClickEvent.getType());
    borderWest.getElement().getStyle().setBackgroundColor("#445566");

    Image image;
    if (GBrain.isIPhone) {
        image = new Image("images/create_button.svg");
    } else {
        image = new Image("images/create_button.png");
    }
    PushButton createButton = new PushButton(image, new ClickHandler() {
        public void onClick(ClickEvent event) {
            showCreateDialog();
        }
    });
    createButton.setPixelSize(BUTTON_SIZE, BUTTON_SIZE);
    createButton.setTitle("Create a new text");

    if (GBrain.isIPhone) {
        image = new Image("images/delete_button.svg");
    } else {
        image = new Image("images/delete_button.png");
    }
    PushButton deleteButton = new PushButton(image, new ClickHandler() {
        public void onClick(ClickEvent event) {
            if (selectNode == null) {
                showAlertDialog("Nothing is selected.");
                return;
            }
            if (selectNode.getChildren() > 0) {
                showAlertDialog("You can't delete it with children.");
                return;
            }
            final NeuronNode tmpSelectNode = selectNode;
            String content = tmpSelectNode.getContent();
            final long id = tmpSelectNode.getId();
            showConfirmDialog("Are you sure you want to delete\n'" + content + "' ?", new ClickHandler() {
                public void onClick(ClickEvent event) {
                    gbrainService.deleteNeuron(id, new AsyncCallback<Void>() {
                        public void onFailure(Throwable caught) {
                            GWT.log("Network error!", caught);
                            showAlertDialog("Network error!");
                        }

                        public void onSuccess(Void ignored) {
                            Long parentId = tmpSelectNode.getParentId();
                            if (parentId != null) {
                                NeuronNode parentNode = nodeManager.getNode(parentId);
                                if (parentNode != null) {
                                    parentNode.decreaseChildren();
                                }
                            }
                            removeNode(tmpSelectNode);
                        }
                    });
                }
            });
        }
    });
    deleteButton.setPixelSize(BUTTON_SIZE, BUTTON_SIZE);
    deleteButton.setTitle("Delete text");

    if (GBrain.isIPhone) {
        image = new Image("images/noparent_button.svg");
    } else {
        image = new Image("images/noparent_button.png");
    }
    PushButton noparentButton = new PushButton(image, new ClickHandler() {
        public void onClick(ClickEvent event) {
            if (selectNode == null) {
                showAlertDialog("Nothing is selected.");
                return;
            }
            NeuronNode n = selectNode;
            if (n.getParentId() != null) {
                replaceParent(n, null);
                gbrainService.removeParent(n.getId(), nullCallback);
            }
        }
    });
    noparentButton.setPixelSize(BUTTON_SIZE, BUTTON_SIZE);
    noparentButton.setTitle("Remove parent link");

    if (GBrain.isIPhone) {
        image = new Image("images/open_button.svg");
    } else {
        image = new Image("images/open_button.png");
    }
    PushButton openButton = new PushButton(image, new ClickHandler() {
        public void onClick(ClickEvent event) {
            if (selectNode == null) {
                showAlertDialog("Nothing is selected.");
                return;
            }
            refreshChildNeurons(selectNode.getId());
        }
    });
    openButton.setPixelSize(BUTTON_SIZE, BUTTON_SIZE);
    openButton.setTitle("Open children");

    if (GBrain.isIPhone) {
        image = new Image("images/close_button.svg");
    } else {
        image = new Image("images/close_button.png");
    }
    PushButton closeButton = new PushButton(image, new ClickHandler() {
        public void onClick(ClickEvent event) {
            if (selectNode == null) {
                showAlertDialog("Nothing is selected.");
                return;
            }
            removeChildNodes(selectNode);
        }
    });
    closeButton.setPixelSize(BUTTON_SIZE, BUTTON_SIZE);
    closeButton.setTitle("Close children");

    if (GBrain.isIPhone) {
        image = new Image("images/arrange_button.svg");
    } else {
        image = new Image("images/arrange_button.png");
    }
    PushButton arrangeButton = new PushButton(image, new ClickHandler() {
        public void onClick(ClickEvent event) {
            if (selectNode == null) {
                showAlertDialog("Nothing is selected.");
                return;
            }
            NeuronNode n = selectNode;
            nodeManager.arrangeAllChildNodes(n);
            updatePositionNodeAndChildNodes(n);
        }
    });
    arrangeButton.setPixelSize(BUTTON_SIZE, BUTTON_SIZE);
    arrangeButton.setTitle("Arrange children");

    if (GBrain.isIPhone) {
        image = new Image("images/up_button.svg");
    } else {
        image = new Image("images/up_button.png");
    }
    PushButton upButton = new PushButton(image, new ClickHandler() {
        public void onClick(ClickEvent event) {
            if (selectNode == null) {
                showAlertDialog("Nothing is selected.");
                return;
            }
            NeuronNode n = nodeManager.getParentNode(selectNode.getId());
            if (n == null) {
                return;
            }
            handleNodeClick(n);
            slideToPosition(n.getPosX(), n.getPosY());
        }
    });
    upButton.setPixelSize(BUTTON_SIZE, BUTTON_SIZE);
    upButton.setTitle("Jump to parent");

    if (GBrain.isIPhone) {
        image = new Image("images/down_button.svg");
    } else {
        image = new Image("images/down_button.png");
    }
    PushButton downButton = new PushButton(image, new ClickHandler() {
        public void onClick(ClickEvent event) {
            if (selectNode == null) {
                showAlertDialog("Nothing is selected.");
                return;
            }
            NeuronNode n = nodeManager.getFirstChildNode(selectNode.getId());
            if (n == null) {
                return;
            }
            handleNodeClick(n);
            slideToPosition(n.getPosX(), n.getPosY());
        }
    });
    downButton.setPixelSize(BUTTON_SIZE, BUTTON_SIZE);
    downButton.setTitle("Jump to a child");

    if (GBrain.isIPhone) {
        image = new Image("images/prev_button.svg");
    } else {
        image = new Image("images/prev_button.png");
    }
    PushButton prevButton = new PushButton(image, new ClickHandler() {
        public void onClick(ClickEvent event) {
            if (selectNode == null) {
                showAlertDialog("Nothing is selected.");
                return;
            }
            NeuronNode n = nodeManager.getPreviousSiblingNode(selectNode.getId());
            if (n == null) {
                return;
            }
            handleNodeClick(n);
            slideToPosition(n.getPosX(), n.getPosY());
        }
    });
    prevButton.setPixelSize(BUTTON_SIZE, BUTTON_SIZE);
    prevButton.setTitle("Jump to previous sibling");

    if (GBrain.isIPhone) {
        image = new Image("images/next_button.svg");
    } else {
        image = new Image("images/next_button.png");
    }
    PushButton nextButton = new PushButton(image, new ClickHandler() {
        public void onClick(ClickEvent event) {
            if (selectNode == null) {
                showAlertDialog("Nothing is selected.");
                return;
            }
            NeuronNode n = nodeManager.getNextSiblingNode(selectNode.getId());
            if (n == null) {
                return;
            }
            handleNodeClick(n);
            slideToPosition(n.getPosX(), n.getPosY());
        }
    });
    nextButton.setPixelSize(BUTTON_SIZE, BUTTON_SIZE);
    nextButton.setTitle("Jump to next sibling");

    if (GBrain.isIPhone) {
        image = new Image("images/jump_button.svg");
    } else {
        image = new Image("images/jump_button.png");
    }
    PushButton jumpButton = new PushButton(image, new ClickHandler() {
        public void onClick(ClickEvent event) {
            if (selectNode == null) {
                showAlertDialog("Nothing is selected.");
                return;
            }
            jumpToUrl(selectNode);
        }
    });
    jumpButton.setPixelSize(BUTTON_SIZE, BUTTON_SIZE);
    jumpButton.setTitle("Jump to URL");

    if (GBrain.isIPhone) {
        image = new Image("images/color_button.svg");
    } else {
        image = new Image("images/color_button.png");
    }
    PushButton colorButton = new PushButton(image, new ClickHandler() {
        public void onClick(ClickEvent event) {
            if (selectNode == null) {
                showAlertDialog("Nothing is selected.");
                return;
            }
            NeuronNode n = selectNode;
            n.setNextColor();
            gbrainService.updateColor(n.getId(), n.getColor(), nullCallback);
        }
    });
    colorButton.setPixelSize(BUTTON_SIZE, BUTTON_SIZE);
    colorButton.setTitle("Change color");

    buttonPanel = new FlowPanel();
    buttonPanel.add(createButton);
    buttonPanel.add(deleteButton);
    buttonPanel.add(noparentButton);
    buttonPanel.add(openButton);
    buttonPanel.add(closeButton);
    buttonPanel.add(arrangeButton);
    buttonPanel.add(upButton);
    buttonPanel.add(downButton);
    buttonPanel.add(prevButton);
    buttonPanel.add(nextButton);
    buttonPanel.add(jumpButton);
    buttonPanel.add(colorButton);

    drawArea = new DrawingArea(0, 0);
    drawArea.getElement().setId("gbrain-svgpanel");
    drawArea.getElement().getStyle().setBackgroundColor("#000000");

    this.add(drawArea, 0, 0);
    this.add(borderNorth, -100, -100); // initially not visible
    this.add(borderEast, -100, -100); // initially not visible
    this.add(borderSouth, -100, -100); // initially not visible
    this.add(borderWest, -100, -100); // initially not visible
    this.add(buttonPanel, -100, -100); // initially not visible

    coordinate = new Coordinate(drawArea);
    drawArea.add(coordinate);

    supportDragAndDrop();
    refreshTopNeurons();

    onResize();
    Element welcome = Document.get().getElementById("gbrain-welcome");
    welcome.getStyle().setLeft(viewWidth / 2 - welcome.getClientWidth() / 2, Unit.PX);
    welcome.getStyle().setTop(viewHeight / 2 - welcome.getClientHeight() / 2, Unit.PX);
    Window.addWindowScrollHandler(this);
}

From source file:com.google.livingstories.client.ui.AnchoredPanel.java

License:Apache License

@Override
public void setWidget(Widget widget) {
    super.setWidget(widget);
    Style style = widget.getElement().getStyle();
    style.setProperty("position", "relative");
    style.setPropertyPx("left", 0);
    style.setPropertyPx("top", 0);

    removeHandlers();/*from ww w.  j  a  v  a 2s.  co m*/

    scrollHandler = Window.addWindowScrollHandler(new ScrollHandler() {
        @Override
        public void onWindowScroll(ScrollEvent event) {
            reposition();
        }
    });

    resizeHandler = Window.addResizeHandler(new ResizeHandler() {
        @Override
        public void onResize(ResizeEvent event) {
            reposition();
        }
    });
}

From source file:com.google.webcourse.picasaapp.client.PicasaApp.java

License:Apache License

/**
 * This is the entry point method./*from w  w  w . j a  v  a 2  s.c  om*/
 */
public void onModuleLoad() {
    LoadAlbumsForm loadAlbumsForm = new LoadAlbumsForm();
    CommentSubmitForm commentSubmitForm = new CommentSubmitForm();
    thumbnailList = RootPanel.get("thumbnailList");
    photoView = new PhotoView();
    commentsPanel = new CommentsPanel();

    RootPanel.get("loadAlbumsForm").add(loadAlbumsForm);
    RootPanel.get("photoWrapper").add(photoView);
    RootPanel.get("comments").add(commentsPanel);
    RootPanel.get("comments").add(commentSubmitForm);

    loadAlbumsForm.setLoadAlbumListener(new LoadAlbumsListener() {
        public void loadAlbums(String username) {
            loadAlbumsOfUser(username);
        }
    });

    commentSubmitForm.setCommentSubmitHandler(new CommentSubmitHandler() {
        public void submitComment(String comment) {
            commentService.storeComment(currentPhotoUrl, comment, new AsyncCallback<Void>() {
                public void onFailure(Throwable caught) {
                    // TODO: Show an error message
                }

                public void onSuccess(Void result) {
                    loadComments(currentPhotoUrl);
                }
            });
        }
    });

    // Make sure the thumbnail list has always the correct height, as
    // height=100% doesn't work properly.
    Window.addResizeHandler(this);
    Window.addWindowScrollHandler(new ScrollHandler() {
        public void onWindowScroll(ScrollEvent event) {
            onResize(null);
        }
    });
    onResize(null);
}

From source file:com.jwh.gwt.fasttable.sample.client.FastTableSample.java

License:Open Source License

@Override
public void onModuleLoad() {
    //TODO need better switch
    if (Window.Location.getHref().indexOf("FastTableSample") < 0
            && Window.Location.getHref().indexOf("fast-table-sample") < 0) {
        return;/*from  w  w w. j  a  v  a 2 s.c om*/
    }
    tablePanel = RootPanel.get("tableContainer");
    optionsPanel = RootPanel.get("optionsContainer");
    Window.addWindowScrollHandler(new ScrollHandler() {
        @Override
        public void onWindowScroll(ScrollEvent event) {
            if (listenForFinishedBuilding) {
                builder.logInfo("Scrolled. Done drawing?");
            }
            listenForFinishedBuilding = false;
        }
    });
    logger.setParent(RootPanel.get("loggerContainer"));
    buildTable();
    buildOptionsPanel();
}

From source file:com.roughindustries.commonwealthcocktails.client.application.ApplicationPresenter.java

License:Apache License

@Override
protected void onBind() {

    step.setValue(25);/*from  w  ww . j  a va  2 s . com*/
    current.setValue(25);
    next.setValue(current.intValue() + step.intValue());
    prev.setValue(0);

    lastScrollPos.setValue(0);
    lastMaxScrollTop.setValue(0);

    list.addAll(Collections.nCopies(current.intValue(), new ccCocktail()));

    final HTML f = new HTML("");
    Column<ccCocktail, SafeHtml> text = new Column<ccCocktail, SafeHtml>(new SafeHtmlCell()) {

        public SafeHtml getValue(ccCocktail cocktail) {
            SafeHtmlBuilder sb = new SafeHtmlBuilder();
            if (cocktail == null || cocktail.getCocktailName() == null) {
                sb.appendHtmlConstant("Loading ...");
                return sb.toSafeHtml();
            } else {
                sb.appendHtmlConstant(
                        "<table border='0' cellpadding='1' cellspacing='1' style='width: 100%;'>");
                sb.appendHtmlConstant("<tbody>");
                sb.appendHtmlConstant("<tr>");
                sb.appendHtmlConstant(
                        "<td><img alt='Cocktail' src='https://s3.amazonaws.com/commonwealthcocktailbucket/noun_320760_cc.png' style='border-width: 0px; border-style: solid; margin: 0px; width: 100px; height: 100px;' /></td>");
                sb.appendHtmlConstant(
                        "<td border='0' cellpadding='1' cellspacing='1' style='width: 100%;' table=''>");
                sb.appendHtmlConstant(
                        "<table border='0' cellpadding='1' cellspacing='1' style='width: 100%;'>");
                sb.appendHtmlConstant("<tbody>");
                sb.appendHtmlConstant("<tr>");
                sb.appendHtmlConstant("<td><b>" + cocktail.getCocktailName() + "</b></td>");
                sb.appendHtmlConstant("</tr>");
                sb.appendHtmlConstant("<tr>");
                sb.appendHtmlConstant(
                        "<td><b>Origin: </b>"
                                + ((cocktail.getCocktailOrigin() == null)
                                        || (cocktail.getCocktailOrigin().length() == 0) ? ""
                                                : (cocktail.getCocktailOrigin().substring(0, 150) + "..."))
                                + "</td>");
                sb.appendHtmlConstant("</tr>");
                sb.appendHtmlConstant("<tr>");
                sb.appendHtmlConstant("<td><b>Method: </b>"
                        + ((cocktail.getCocktailMethod() == null) || (cocktail.getCocktailMethod() == null) ? ""
                                : (cocktail.getCocktailMethod().substring(0, 150) + "..."))
                        + "</td>");
                sb.appendHtmlConstant("</tr>");
                sb.appendHtmlConstant("</tbody>");
                sb.appendHtmlConstant("</table>");
                sb.appendHtmlConstant("</td>");
                sb.appendHtmlConstant("</tr>");
                sb.appendHtmlConstant("</tbody>");
                sb.appendHtmlConstant("</table>");
                return sb.toSafeHtml();
            }
        }

    };
    getView().getCocktailGrid().addColumn(text);
    data.addAll(list);
    getView().getCocktailGrid().setRowData(0, data);
    getView().getCocktailGrid().setVisibleRange(new Range(0, current.intValue()));
    getView().getCocktailGrid().setHeight(Integer.toString(Window.getClientHeight()) + "px");
    getView().getScroll().setHeight(Integer.toString(Window.getClientHeight()) + "px");
    getView().getScroll().setWidth(Integer.toString(Window.getClientWidth()) + "px");
    if (Window.getClientWidth() <= 768) {
        getView().getBrand().setMarginLeft((Window.getClientWidth() / 2) - 125);
    } else {
        getView().getBrand().setMarginLeft(0);
    }
    if (Window.getClientWidth() > (800)
            && (Window.getClientWidth() <= (800 + NativeVerticalScrollbar.getNativeScrollbarWidth()))) {
        getView().getHeaderContainer()
                .setWidth((800 - NativeVerticalScrollbar.getNativeScrollbarWidth()) + "px");
        getView().getCocktailGrid().setWidth((800 - NativeVerticalScrollbar.getNativeScrollbarWidth()) + "px");
        if (getView().getLeftBuffer().isVisible()) {
            getView().getLeftBuffer().setVisible(false);
            getView().getRightBuffer().setVisible(false);
        }
    } else if (Window.getClientWidth() <= (800 - NativeVerticalScrollbar.getNativeScrollbarWidth())) {
        getView().getHeaderContainer().setWidth(
                Integer.toString(Window.getClientWidth() - NativeVerticalScrollbar.getNativeScrollbarWidth())
                        + "px");
        getView().getCocktailGrid().setWidth(
                Integer.toString(Window.getClientWidth() - NativeVerticalScrollbar.getNativeScrollbarWidth())
                        + "px");

        if (getView().getLeftBuffer().isVisible()) {
            getView().getLeftBuffer().setVisible(false);
            getView().getRightBuffer().setVisible(false);
        }
    } else {
        getView().getHeaderContainer().setWidth("800px");
        getView().getCocktailGrid().setWidth("800px");
        if (!getView().getLeftBuffer().isVisible()) {
            getView().getLeftBuffer().setVisible(true);
            getView().getRightBuffer().setVisible(true);
        }
        getView().getLeftBuffer()
                .setWidth(Integer.toString(
                        (Window.getClientWidth() - 800 - NativeVerticalScrollbar.getNativeScrollbarWidth()) / 2)
                        + "px");
        getView().getRightBuffer()
                .setWidth(Integer.toString(
                        (Window.getClientWidth() - 800 - NativeVerticalScrollbar.getNativeScrollbarWidth()) / 2)
                        + "px");
    }
    getView().getScroll().addScrollHandler(new ScrollHandler() {

        @Override
        public void onScroll(ScrollEvent ev) {
            int oldScrollPos = lastScrollPos.intValue();
            lastScrollPos.setValue(getView().getScroll().getVerticalScrollPosition());

            // If scrolling up, ignore the event.
            if (oldScrollPos >= lastScrollPos.intValue()) {
                return;
            }

            // Height of grid contents (including outside the viewable area)
            // - height of the scroll panel
            int maxScrollTop = getView().getScroll().getWidget().getOffsetHeight()
                    - getView().getScroll().getOffsetHeight();
            if (lastScrollPos.intValue() == maxScrollTop) {
                if ((data.size() + step.intValue()) <= queryResultsCount.intValue()) {
                    prev.setValue(current);
                    current.setValue(next);
                    next.setValue(next.intValue() + step.intValue());
                    data.addAll(
                            new ArrayList<ccCocktail>(Collections.nCopies(step.intValue(), new ccCocktail())));
                } else {
                    int diff = queryResultsCount.intValue() - data.size();
                    if (diff > 0) {
                        step.setValue(diff);
                        prev.setValue(current);
                        current.setValue(next);
                        next.setValue(next.intValue() + step.intValue());
                        data.addAll(new ArrayList<ccCocktail>(Collections.nCopies(diff, new ccCocktail())));
                    } else {
                        step.setValue(0);
                    }
                }
                getView().getCocktailGrid().setRowData(0, data);
                getView().getCocktailGrid().setVisibleRange(new Range(0, current.intValue()));
                getView().getCocktailGrid().redraw();
                if (step.intValue() != 0) {
                    cocktailService.cocktailServer("", prev.intValue(), step.intValue(),
                            new AsyncCallback<ccCocktail[]>() {
                                public void onFailure(Throwable caught) {

                                }

                                public void onSuccess(ccCocktail[] result) {
                                    if (result != null) {
                                        for (ccCocktail item : result) {
                                            data.set(item.getPageRefID(), item);
                                        }
                                        getView().getCocktailGrid().setRowData(0, data);
                                        getView().getCocktailGrid()
                                                .setVisibleRange(new Range(0, current.intValue()));
                                        getView().getCocktailGrid().redraw();

                                    }
                                }
                            });
                }
            }
        }
    });
    Window.addWindowScrollHandler(new Window.ScrollHandler() {
        @Override
        public void onWindowScroll(com.google.gwt.user.client.Window.ScrollEvent event) {
            // Window.alert("Scrolling Window");
        }
    });
    cocktailService.getCount("", new AsyncCallback<Integer>() {
        public void onFailure(Throwable caught) {

        }

        public void onSuccess(Integer result) {
            queryResultsCount.setValue(result.intValue());
            cocktailService.cocktailServer("", prev.intValue(), current.intValue(),
                    new AsyncCallback<ccCocktail[]>() {
                        public void onFailure(Throwable caught) {

                        }

                        public void onSuccess(ccCocktail[] result) {
                            ArrayList<ccCocktail> removed = new ArrayList<ccCocktail>();
                            for (ccCocktail item : result) {
                                if (item != null) {
                                    removed.add(item);
                                }
                            }
                            result = removed.toArray(new ccCocktail[0]);
                            if (result != null) {
                                for (ccCocktail item : result) {
                                    data.set(item.getPageRefID(), item);
                                }
                                getView().getCocktailGrid().setRowData(0, data);
                                getView().getCocktailGrid().setVisibleRange(new Range(0, current.intValue()));
                                getView().getCocktailGrid().redraw();
                            }
                        }
                    });
        }
    });
    Window.addResizeHandler(new ResizeHandler() {

        @Override
        public void onResize(ResizeEvent event) {
            getView().getCocktailGrid().setHeight(Integer.toString(Window.getClientHeight()) + "px");
            getView().getScroll().setHeight(Integer.toString(Window.getClientHeight()) + "px");
            getView().getScroll().setWidth(Integer.toString(Window.getClientWidth()) + "px");

            if (Window.getClientWidth() <= 768) {
                getView().getBrand().setMarginLeft((Window.getClientWidth() / 2) - 125);
            } else {
                getView().getBrand().setMarginLeft(0);
            }

            if (Window.getClientWidth() > (800)
                    && (Window.getClientWidth() <= (800 + NativeVerticalScrollbar.getNativeScrollbarWidth()))) {
                getView().getHeaderContainer()
                        .setWidth((800 - NativeVerticalScrollbar.getNativeScrollbarWidth()) + "px");
                getView().getCocktailGrid()
                        .setWidth((800 - NativeVerticalScrollbar.getNativeScrollbarWidth()) + "px");
                if (getView().getLeftBuffer().isVisible()) {
                    getView().getLeftBuffer().setVisible(false);
                    getView().getRightBuffer().setVisible(false);
                }
            } else if (Window.getClientWidth() <= (800 + NativeVerticalScrollbar.getNativeScrollbarWidth())) {
                getView().getHeaderContainer()
                        .setWidth(Integer.toString(
                                Window.getClientWidth() - NativeVerticalScrollbar.getNativeScrollbarWidth())
                                + "px");
                getView().getCocktailGrid()
                        .setWidth(Integer.toString(
                                Window.getClientWidth() - NativeVerticalScrollbar.getNativeScrollbarWidth())
                                + "px");
                if (getView().getLeftBuffer().isVisible()) {
                    getView().getLeftBuffer().setVisible(false);
                    getView().getRightBuffer().setVisible(false);
                }
            } else {
                getView().getHeaderContainer().setWidth("800px");
                getView().getCocktailGrid().setWidth("800px");
                if (!getView().getLeftBuffer().isVisible()) {
                    getView().getLeftBuffer().setVisible(true);
                    getView().getRightBuffer().setVisible(true);
                }
                getView().getLeftBuffer().setWidth(Integer.toString(
                        (Window.getClientWidth() - 800 - NativeVerticalScrollbar.getNativeScrollbarWidth()) / 2)
                        + "px");
                getView().getRightBuffer().setWidth(Integer.toString(
                        (Window.getClientWidth() - 800 - NativeVerticalScrollbar.getNativeScrollbarWidth()) / 2)
                        + "px");
            }
        }

    });
}

From source file:com.smartgwt.mobile.client.widgets.layout.NavigationBar.java

License:Open Source License

@Override
protected void onLoad() {
    super.onLoad();
    if (Canvas._getFixNavigationBarPositionDuringKeyboardFocus()) {
        if (EventHandler.couldShowSoftKeyboard(Document.get().<SuperDocument>cast().getActiveElement())) {
            _fixPosition();/*from  w  ww. ja va 2s . c o  m*/
        }
        // In a UIWebView, the 'scroll' event is not fired on the window when the Previous/Next
        // buttons are used to move from <input> to <input>. It is when the app is run in
        // Mobile Safari, however.
        if (!Canvas.isUIWebView()) {
            windowScrollRegistration = Window.addWindowScrollHandler(new Window.ScrollHandler() {
                @Override
                public void onWindowScroll(ScrollEvent event) {
                    _updateFixedPosition();
                }
            });
        }
    }
    windowResizeRegistration = Window.addResizeHandler(new ResizeHandler() {

        private Timer timer;

        @Override
        public void onResize(ResizeEvent event) {
            // A timeout is used to prevent severe choppiness when the user is resizing
            // a desktop browser window.
            if (timer == null) {
                timer = new Timer() {
                    @Override
                    public void run() {
                        if (timer != this)
                            return;
                        _layOutMembers();
                        timer = null;
                    }
                };
                timer.schedule(200);
            }
        }
    });
    _layOutMembers();
}