Example usage for com.google.gwt.view.client HasRows setVisibleRange

List of usage examples for com.google.gwt.view.client HasRows setVisibleRange

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  5. HasRows
  6. setVisibleRange

Introduction

In this page you can find the example usage for com.google.gwt.view.client HasRows setVisibleRange.

Prototype


void setVisibleRange(int start, int length);

Source Link

Document

Set the visible range or rows.

Usage

From source file:cc.alcina.framework.gwt.client.cell.ShowMorePager.java

License:Apache License

public void attachTo(HasRows display, ScrollPanel scrollable) {
    setDisplay(display);/* ww  w.  jav  a  2  s . c o m*/
    // Handle scroll events.
    scrollable.addScrollHandler(new ScrollHandler() {
        @Override
        public void onScroll(ScrollEvent event) {
            // If scrolling up, ignore the event.
            int oldScrollPos = lastScrollPos;
            lastScrollPos = scrollable.getVerticalScrollPosition();
            if (oldScrollPos >= lastScrollPos) {
                return;
            }
            HasRows display = getDisplay();
            if (display == null) {
                return;
            }
            int scrollPanelContentsHeight = scrollable.getWidget().getOffsetHeight();
            int scrollPanelHeight = scrollable.getOffsetHeight();
            int maxScrollTop = scrollPanelContentsHeight - scrollPanelHeight - 20;
            // hack but not sure how to deal with said autoscrolls
            if (Math.abs(lastScrollPos - oldScrollPos) > 500) {
                // handle autoscroll to end
                return;
            }
            if (lastScrollPos >= maxScrollTop) {
                // We are near the end, so increase the page size.
                int newPageSize = Math.min(display.getVisibleRange().getLength() + incrementSize,
                        display.getRowCount());
                if (newPageSize != 0) {
                    Range newRange = new Range(0, newPageSize);
                    if (display.getVisibleRange().getStart() == newRange.getStart()
                            && display.getVisibleRange().getLength() >= newRange.getLength()) {
                        // don't show a smaller visible range (which would
                        // force a search)
                        return;
                    }
                    display.setVisibleRange(0, newPageSize);
                }
            }
        }
    });
}

From source file:cc.kune.gspace.client.i18n.ShowMorePagerPanel.java

License:Apache License

/**
 * Construct a new {@link ShowMorePagerPanel}.
 *///from ww w.j a  v  a  2  s . c  o  m
public ShowMorePagerPanel() {
    initWidget(scrollable);

    // Do not let the scrollable take tab focus.
    scrollable.getElement().setTabIndex(-1);

    // Handle scroll events.
    scrollable.addScrollHandler(new ScrollHandler() {
        @Override
        public void onScroll(final ScrollEvent event) {
            // If scrolling up, ignore the event.
            final int oldScrollPos = lastScrollPos;
            lastScrollPos = scrollable.getScrollPosition();
            if (oldScrollPos >= lastScrollPos) {
                return;
            }

            final HasRows display = getDisplay();
            if (display == null) {
                return;
            }
            final int maxScrollTop = scrollable.getWidget().getOffsetHeight() - scrollable.getOffsetHeight();
            if (lastScrollPos >= maxScrollTop) {
                // We are near the end, so increase the page size.
                final int newPageSize = Math.min(display.getVisibleRange().getLength() + incrementSize,
                        display.getRowCount());
                display.setVisibleRange(0, newPageSize);
            }
        }
    });
}

From source file:cimav.visorglass.client.widgets.components.ScrollingPager.java

License:Apache License

public ScrollingPager() {
    initWidget(scrollable);/*from   w w  w  . j a  va  2 s  .co  m*/
    scrollable.setPixelSize(250, 350);
    scrollable.getElement().getStyle().setBorderWidth(1, Style.Unit.PX);
    scrollable.getElement().getStyle().setBorderColor("red");
    scrollable.getElement().setTabIndex(-1);

    // Handle scroll events.
    scrollable.addScrollHandler(new ScrollHandler() {
        @Override
        public void onScroll(ScrollEvent p_event) {
            // If scrolling up, ignore the event.
            int oldScrollPos = lastScrollPos;
            lastScrollPos = scrollable.getVerticalScrollPosition();
            if (oldScrollPos >= lastScrollPos) {
                return;
            }
            HasRows display = getDisplay();
            if (display == null) {
                return;
            }
            int maxScrollTop = scrollable.getWidget().getOffsetHeight() - scrollable.getOffsetHeight();
            if (lastScrollPos >= maxScrollTop) {
                // We are near the end, so increase the page size.
                int newPageSize = Math.min(display.getVisibleRange().getLength() + incrementSize,
                        display.getRowCount());
                display.setVisibleRange(0, newPageSize);
            }
        }
    });
}

From source file:com.arcbees.gquery.tooltip.client.contactcell.ShowMorePagerPanel.java

License:Apache License

/**
 * Construct a new {@link ShowMorePagerPanel}.
 *///from  w  w w. j a v  a 2s  .c o m
public ShowMorePagerPanel() {
    init();

    // Handle scroll events.
    scrollable.addDomHandler(new ScrollHandler() {
        public void onScroll(ScrollEvent event) {
            // If scrolling up, ignore the event.
            int oldScrollPos = lastScrollPos;
            lastScrollPos = scrollable.getElement().getScrollTop();
            if (oldScrollPos >= lastScrollPos) {
                return;
            }

            HasRows display = getDisplay();
            if (display == null) {
                return;
            }
            int maxScrollTop = scrollable.getWidget().getOffsetHeight() - scrollable.getOffsetHeight();
            if (lastScrollPos >= maxScrollTop) {
                // We are near the end, so increase the page size.
                int newPageSize = Math.min(display.getVisibleRange().getLength() + incrementSize,
                        display.getRowCount());
                //all children will be replaced, ensure to destroy existing tooltip in order to avoid ghost
                // tooltips
                GQuery.$(".tooltipable", (Widget) display).as(Tooltip.Tooltip).destroy();
                display.setVisibleRange(0, newPageSize);
            }
        }
    }, ScrollEvent.getType());
}

From source file:com.chinarewards.gwt.license.client.widget.DefaultPager.java

/**
 * Get the text to display in the pager that reflects the state of the
 * pager.//www  .  ja v a2  s .  c o  m
 * 
 * @return the text
 */
@Override
protected String createText() {
    // Default text is 1 based.
    final NumberFormat formatter = NumberFormat.getFormat("#,###");
    final HasRows display = getDisplay();
    Range range = display.getVisibleRange();
    int pageStart = range.getStart() + 1;
    final int pageSize = range.getLength();
    int dataSize = display.getRowCount();
    int endIndex = Math.min(dataSize, pageStart + pageSize - 1);
    endIndex = Math.max(pageStart, endIndex);
    boolean exact = display.isRowCountExact();

    // create listbox
    int currentPage = 0;
    int totalPage = 0;
    final ListBox pages = new ListBox();
    if (dataSize != 0) {
        currentPage = (pageStart - 1) / pageSize + 1;
        totalPage = (dataSize - 1) / pageSize + 1;

        for (int i = 1; i <= totalPage; i++) {
            pages.addItem(i + "", i + "");
        }
        pages.setSelectedIndex(currentPage - 1);
        pages.addChangeHandler(new ChangeHandler() {
            @Override
            public void onChange(ChangeEvent event) {
                String text = pages.getValue(pages.getSelectedIndex());
                int pageNum = (int) formatter.parse(text);
                int index = (pageNum - 1) * pageSize;
                display.setVisibleRange(index, pageSize);
            }
        });
    }

    // create label : total pages
    //getAdditionPanel().clear();
    //getAdditionPanel().add(new Label(" " + totalPage + " ,"));
    //getAdditionPanel().add(pages);
    //getAdditionPanel().add(new Label(""));

    // return formatter.format(pageStart) + "-" + formatter.format(endIndex)
    // + (exact ? " of " : " of over ") + formatter.format(dataSize);
    return "? " + currentPage + " ," + "" + totalPage + "," + dataSize + "?";
}

From source file:com.chinarewards.gwt.license.client.widget.EltNewPager.java

/**
 * Get the text to display in the pager that reflects the state of the
 * pager.//from  ww w  . j  a  v  a  2 s .  c om
 * 
 * @return the text
 */
protected String createText() {
    // Default text is 1 based.
    final NumberFormat formatter = NumberFormat.getFormat("#,###");
    final HasRows display = getDisplay();
    Range range = display.getVisibleRange();
    int pageStart = range.getStart() + 1;
    final int pageSize = range.getLength();
    int dataSize = display.getRowCount();
    int endIndex = Math.min(dataSize, pageStart + pageSize - 1);
    endIndex = Math.max(pageStart, endIndex);
    // boolean exact = display.isRowCountExact();

    // create listbox
    int currentPage = 0;
    int totalPage = 0;
    final ListBox pages = new ListBox();
    if (dataSize != 0) {
        currentPage = (pageStart - 1) / pageSize + 1;
        totalPage = (dataSize - 1) / pageSize + 1;

        for (int i = 1; i <= totalPage; i++) {
            pages.addItem(i + "", i + "");
        }
        pages.setSelectedIndex(currentPage - 1);
        pages.addChangeHandler(new ChangeHandler() {
            @Override
            public void onChange(ChangeEvent event) {
                String text = pages.getValue(pages.getSelectedIndex());
                int pageNum = (int) formatter.parse(text);
                int index = (pageNum - 1) * pageSize;
                display.setVisibleRange(index, pageSize);
            }
        });
    }

    setButtonStyle(currentPage, totalPage);
    return "";
    // return "? " + currentPage + " ,"+""+totalPage+","+dataSize+"?";
}

From source file:com.freedomotic.clients.client.widgets.ShowMorePagerPanel.java

License:Apache License

/**
 * Construct a new {@link ShowMorePagerPanel}.
 *//*ww w  .ja  v  a 2 s  .c om*/
public ShowMorePagerPanel() {
    initWidget(scrollable);

    // Do not let the scrollable take tab focus.
    scrollable.getElement().setTabIndex(-1);

    // Handle scroll events.
    scrollable.addScrollHandler(new ScrollHandler() {
        public void onScroll(ScrollEvent event) {
            // If scrolling up, ignore the event.
            int oldScrollPos = lastScrollPos;
            lastScrollPos = scrollable.getVerticalScrollPosition();
            if (oldScrollPos >= lastScrollPos) {
                return;
            }

            HasRows display = getDisplay();
            if (display == null) {
                return;
            }
            int maxScrollTop = scrollable.getWidget().getOffsetHeight() - scrollable.getOffsetHeight();
            if (lastScrollPos >= maxScrollTop) {
                // We are near the end, so increase the page size.
                int newPageSize = Math.min(display.getVisibleRange().getLength() + incrementSize,
                        display.getRowCount());
                display.setVisibleRange(0, newPageSize);
            }
        }
    });
}

From source file:com.gwtplatform.carstore.client.application.ui.ShowMorePagerPanel.java

License:Apache License

public ShowMorePagerPanel(int pageSize) {
    incrementSize = pageSize;/*www.j  a  v a 2 s.  c o m*/
    initWidget(scrollable);

    // Do not let the scrollable take tab focus.
    scrollable.getElement().setTabIndex(-1);

    // Handle scroll events.
    scrollable.addScrollHandler(new ScrollHandler() {
        @Override
        public void onScroll(ScrollEvent event) {
            // If scrolling up, ignore the event.
            int oldScrollPos = lastScrollPos;
            lastScrollPos = scrollable.getVerticalScrollPosition();
            if (oldScrollPos >= lastScrollPos) {
                return;
            }

            HasRows display = getDisplay();
            if (display == null) {
                return;
            }

            int maxScrollTop = scrollable.getWidget().getOffsetHeight() - scrollable.getOffsetHeight();
            if (lastScrollPos >= maxScrollTop - 16) {
                //We are near the end, so increase the page size.
                int newPageSize = Math.min(display.getVisibleRange().getLength() + incrementSize,
                        display.getRowCount());
                display.setVisibleRange(0, newPageSize);
            }
        }
    });
}

From source file:com.novartis.pcs.ontology.webapp.client.view.ApproveRejectComposite.java

License:Apache License

protected void addWidgets() {
    VerticalPanel vertPanel = new VerticalPanel();
    HorizontalPanel filterPanel = new HorizontalPanel();
    Label filterLabel = new Label("Keyword Filter:");

    Button closeButton = new Button("Close");
    SimplePager.Resources pagerResources = GWT.create(SimplePager.Resources.class);
    SimplePager pager = new SimplePager(TextLocation.CENTER, pagerResources, false, 0, true) {
        @Override/*from   w w w .ja v  a2s  .com*/
        public void setPageStart(int index) {
            HasRows display = getDisplay();
            if (display != null) {
                Range range = display.getVisibleRange();
                int pageSize = range.getLength();
                if (isRangeLimited() && display.isRowCountExact()) {
                    index = Math.min(index, display.getRowCount() - 1);
                }
                index = Math.max(0, index);
                if (index != range.getStart()) {
                    display.setVisibleRange(index, pageSize);
                }
            }
        }
    };

    closeButton.addClickHandler(new ClickHandler() {
        public void onClick(ClickEvent event) {
            Widget parent = ApproveRejectComposite.this.getParent();
            while (parent != null) {
                if (parent instanceof PopupPanel) {
                    PopupPanel popup = (PopupPanel) parent;
                    popup.hide();
                    break;
                }
                parent = parent.getParent();
            }
        }
    });

    filterLabel.addStyleName("dialog-label");

    filterPanel.addStyleName("dialog-hpanel");
    filterPanel.addStyleName("spaced-vert");
    filterPanel.add(filterLabel);
    filterPanel.add(filterTextBox);
    filterPanel.setVerticalAlignment(HasVerticalAlignment.ALIGN_MIDDLE);

    pager.setDisplay(table);
    pager.addStyleName("centered-hortz");
    /*
    if(curator != null && curator.isAuthorised(entity)) {
       Label tip = new Label("Use Shift key to select/unselect consecutive rows");
       tip.addStyleName("dialog-message");
       tip.addStyleName("info-icon-left");
       vertPanel.add(tip);
    } else {
       Label label = new Label("Insufficient privileges to approve/reject items");
       label.addStyleName("dialog-message");
       label.addStyleName("info-icon-left");
       vertPanel.add(label);
    }
    */

    if (curator != null) {
        vertPanel.add(errorLabel);
    }
    vertPanel.add(filterPanel);
    vertPanel.add(table);
    vertPanel.add(pager);

    if (curator != null && curator.isAuthorised(entity)) {
        Label comments = new Label("Comments:");
        HorizontalPanel buttonsHPanel = new HorizontalPanel();

        buttonsHPanel.add(approveButton);
        buttonsHPanel.add(rejectButton);
        buttonsHPanel.add(closeButton);

        comments.addStyleName("dialog-label");
        buttonsHPanel.addStyleName("dialog-buttons");
        buttonsHPanel.addStyleName("centered-hortz");

        vertPanel.add(comments);
        vertPanel.add(commentsField);
        commentsField.getElement().getParentElement().addClassName("text-area-right-padded");

        vertPanel.add(buttonsHPanel);
    } else {
        vertPanel.add(closeButton);
        vertPanel.setCellHorizontalAlignment(closeButton, HasHorizontalAlignment.ALIGN_CENTER);
    }
    initWidget(vertPanel);
}

From source file:com.novartis.pcs.ontology.webapp.client.view.ControlledVocabularyTermLinksView.java

License:Apache License

private void addDialogWidgets() {
    VerticalPanel vertPanel = new VerticalPanel();
    SimplePager.Resources pagerResources = GWT.create(SimplePager.Resources.class);
    SimplePager pager = new SimplePager(TextLocation.CENTER, pagerResources, false, 0, true) {
        @Override// w  w w.  ja va2 s  .c  o  m
        public void setPageStart(int index) {
            HasRows display = getDisplay();
            if (display != null) {
                Range range = display.getVisibleRange();
                int pageSize = range.getLength();
                if (isRangeLimited() && display.isRowCountExact()) {
                    index = Math.min(index, display.getRowCount() - 1);
                }
                index = Math.max(0, index);
                if (index != range.getStart()) {
                    display.setVisibleRange(index, pageSize);
                }
            }
        }
    };

    vertPanel.addStyleName("dialog-vpanel");

    vertPanel.add(table);
    vertPanel.add(pager);

    pager.setDisplay(table);
    pager.addStyleName("centered-hortz");

    dialogBox.setWidget(vertPanel);
}