List of usage examples for com.google.gwt.user.cellview.client Header getKey
public Object getKey()
From source file:com.bearsoft.gwt.ui.widgets.grid.builders.ThemedHeaderOrFooterBuilder.java
protected void buildNodes(List<HeaderNode<T>> aHeaders, Map<Column<T, ?>, ColumnSortList.ColumnSortInfo> sortedColumns) { // AbstractCellTable<T> table = getTable(); List<HeaderNode<T>> children = new ArrayList<>(); boolean isFooter = isBuildingFooter(); // Get the common style names. String className = isBuildingFooter() ? ThemedGridResources.instance.cellTableStyle().cellTableFooter() : ThemedGridResources.instance.cellTableStyle().cellTableHeader(); String sortableStyle = ThemedGridResources.instance.cellTableStyle().cellTableSortableHeader(); String sortedAscStyle = ThemedGridResources.instance.cellTableStyle().cellTableSortedHeaderAscending(); String sortedDescStyle = ThemedGridResources.instance.cellTableStyle().cellTableSortedHeaderDescending(); TableRowBuilder tr = startRow();//from w ww . ja va 2 s . com // Loop through all column header nodes. for (int i = 0; i < aHeaders.size(); i++) { HeaderNode<T> headerNode = aHeaders.get(i); children.addAll(headerNode.getChildren()); Header<?> headerOrFooter = headerNode.getHeader(); Column<T, ?> column = null; if (headerOrFooter instanceof HasColumn<?>) column = ((HasColumn<T>) headerOrFooter).getColumn(); boolean isSortable = !isFooter && column != null && column.isSortable(); ColumnSortList.ColumnSortInfo sortedInfo = sortedColumns.get(column); boolean isSorted = sortedInfo != null; StringBuilder classesBuilder = new StringBuilder(className); boolean isSortAscending = isSortable && sortedInfo != null ? sortedInfo.isAscending() : false; if (isSortable) { if (classesBuilder.length() > 0) { classesBuilder.append(" "); } classesBuilder.append(sortableStyle); if (isSorted) { if (classesBuilder.length() > 0) { classesBuilder.append(" "); } classesBuilder.append(isSortAscending ? sortedAscStyle : sortedDescStyle); } } // Render the header or footer. TableCellBuilder th = tr.startTH(); if (headerNode.getDepthRemainder() > 0) th.rowSpan(headerNode.getDepthRemainder() + 1); if (headerNode.getLeavesCount() > 1) th.colSpan(headerNode.getLeavesCount()); th.className(classesBuilder.toString()); StylesBuilder thStyles = th.style(); if (headerNode.getBackground() != null) { thStyles.trustedBackgroundColor(headerNode.getBackground().toStyled()); } if (headerNode.getForeground() != null) { thStyles.trustedColor(headerNode.getForeground().toStyled()); } if (headerNode.getFont() != null) { thStyles.trustedProperty("font-family", headerNode.getFont().getFamily()); thStyles.fontSize(headerNode.getFont().getSize(), Style.Unit.PX); thStyles.fontStyle(headerNode.getFont().isItalic() ? FontStyle.ITALIC : FontStyle.NORMAL); thStyles.fontWeight(headerNode.getFont().isBold() ? FontWeight.BOLD : FontWeight.NORMAL); } if (headerOrFooter != null) { appendExtraStyles(headerOrFooter, classesBuilder); if (column != null) { enableColumnHandlers(th, column); } // Build the header. Cell.Context context = new Cell.Context(0, i, headerOrFooter.getKey()); // Add div element with aria button role if (isSortable) { // TODO: Figure out aria-label and translation // of label text th.attribute("role", "button"); th.tabIndex(-1); } renderSortableHeader(th, context, headerOrFooter, isSorted, isSortAscending); } th.endTH(); } // End the row. tr.endTR(); if (!children.isEmpty()) { buildNodes(children, sortedColumns); } }
From source file:com.bearsoft.gwt.ui.widgets.grid.Grid.java
public Grid(ProvidesKey<T> aKeyProvider) { super();//from w ww . j a v a 2 s.c om getElement().getStyle().setPosition(Style.Position.RELATIVE); getElement().appendChild(tdsStyleElement); getElement().appendChild(cellsStyleElement); getElement().appendChild(oddRowsStyleElement); getElement().appendChild(evenRowsStyleElement); setRowsHeight(25); hive = new FlexTable(); setWidget(hive); hive.setCellPadding(0); hive.setCellSpacing(0); hive.setBorderWidth(0); headerLeft = new GridSection<T>(aKeyProvider); headerLeftContainer = new ScrollPanel(headerLeft); headerRight = new GridSection<T>(aKeyProvider); headerRightContainer = new ScrollPanel(headerRight); frozenLeft = new GridSection<T>(aKeyProvider) { @Override protected void replaceAllChildren(List<T> values, SafeHtml html) { super.replaceAllChildren(values, html); footerLeft.redrawFooters(); } @Override protected void replaceChildren(List<T> values, int start, SafeHtml html) { super.replaceChildren(values, start, html); footerLeft.redrawFooters(); } }; frozenLeftContainer = new ScrollPanel(frozenLeft); frozenRight = new GridSection<T>(aKeyProvider) { @Override protected void replaceAllChildren(List<T> values, SafeHtml html) { super.replaceAllChildren(values, html); footerRight.redrawFooters(); } @Override protected void replaceChildren(List<T> values, int start, SafeHtml html) { super.replaceChildren(values, start, html); footerRight.redrawFooters(); } }; frozenRightContainer = new ScrollPanel(frozenRight); scrollableLeft = new GridSection<T>(aKeyProvider) { @Override protected void replaceAllChildren(List<T> values, SafeHtml html) { super.replaceAllChildren(values, html); footerLeft.redrawFooters(); } @Override protected void replaceChildren(List<T> values, int start, SafeHtml html) { super.replaceChildren(values, start, html); footerLeft.redrawFooters(); } }; scrollableLeftContainer = new ScrollPanel(scrollableLeft); scrollableRight = new GridSection<T>(aKeyProvider) { @Override protected void replaceAllChildren(List<T> values, SafeHtml html) { super.replaceAllChildren(values, html); footerRight.redrawFooters(); } @Override protected void replaceChildren(List<T> values, int start, SafeHtml html) { super.replaceChildren(values, start, html); footerRight.redrawFooters(); } }; scrollableRightContainer = new ScrollPanel(scrollableRight); footerLeft = new GridSection<>(aKeyProvider); footerLeftContainer = new ScrollPanel(footerLeft); footerRight = new GridSection<>(aKeyProvider); footerRightContainer = new ScrollPanel(footerRight); // positioning context / overflow setup // overflow for (Widget w : new Widget[] { headerLeftContainer, headerRightContainer, frozenLeftContainer, frozenRightContainer, scrollableLeftContainer, footerLeftContainer, footerRightContainer }) { w.getElement().getStyle().setOverflow(Style.Overflow.HIDDEN); } // scrollableRightContainer.getElement().getStyle().setOverflow(Style.Overflow.AUTO); // default value // context for (Widget w : new Widget[] { headerLeftContainer, headerRightContainer, frozenLeftContainer, frozenRightContainer, scrollableLeftContainer, scrollableRightContainer, footerLeftContainer, footerRightContainer }) { w.getElement().getFirstChildElement().getStyle().setPosition(Style.Position.ABSOLUTE); } // propagation of some widths headerLeft.setWidthPropagator(new GridWidthPropagator<T>(headerLeft) { @Override public void changed() { super.changed(); propagateHeaderWidth(); } }); for (GridSection<T> section : (GridSection<T>[]) new GridSection<?>[] { headerRight, frozenLeft, frozenRight, scrollableLeft, scrollableRight, footerLeft, footerRight }) { section.setWidthPropagator(new GridWidthPropagator<>(section)); } headerLeft.setColumnsPartners(new AbstractCellTable[] { frozenLeft, scrollableLeft, footerLeft }); headerRight.setColumnsPartners(new AbstractCellTable[] { frozenRight, scrollableRight, footerRight }); ColumnsRemover leftColumnsRemover = new ColumnsRemoverAdapter<T>(headerLeft, frozenLeft, scrollableLeft, footerLeft); ColumnsRemover rightColumnsRemover = new ColumnsRemoverAdapter<T>(headerRight, frozenRight, scrollableRight, footerRight); for (GridSection<T> section : (GridSection<T>[]) new GridSection<?>[] { headerLeft, frozenLeft, scrollableLeft, footerLeft }) { section.setColumnsRemover(leftColumnsRemover); } for (GridSection<T> section : (GridSection<T>[]) new GridSection<?>[] { headerRight, frozenRight, scrollableRight, footerRight }) { section.setColumnsRemover(rightColumnsRemover); } for (GridSection<T> section : (GridSection<T>[]) new GridSection<?>[] { frozenLeft, scrollableLeft, footerLeft }) { section.setHeaderSource(headerLeft); } for (GridSection<T> section : (GridSection<T>[]) new GridSection<?>[] { frozenRight, scrollableRight, footerRight }) { section.setHeaderSource(headerRight); } for (GridSection<T> section : (GridSection<T>[]) new GridSection<?>[] { headerLeft, frozenLeft, scrollableLeft }) { section.setFooterSource(footerLeft); } for (GridSection<T> section : (GridSection<T>[]) new GridSection<?>[] { headerRight, frozenRight, scrollableRight }) { section.setFooterSource(footerRight); } // hive organization hive.setWidget(0, 0, headerLeftContainer); hive.setWidget(0, 1, headerRightContainer); hive.setWidget(1, 0, frozenLeftContainer); hive.setWidget(1, 1, frozenRightContainer); hive.setWidget(2, 0, scrollableLeftContainer); hive.setWidget(2, 1, scrollableRightContainer); hive.setWidget(3, 0, footerLeftContainer); hive.setWidget(3, 1, footerRightContainer); for (Widget w : new Widget[] { headerLeftContainer, headerRightContainer, frozenLeftContainer, frozenRightContainer, scrollableLeftContainer, scrollableRightContainer, footerLeftContainer, footerRightContainer }) { w.setWidth("100%"); w.setHeight("100%"); } // misc for (Widget w : new Widget[] { headerRightContainer, frozenRightContainer, footerRightContainer, scrollableLeftContainer }) { w.getElement().getParentElement().getStyle().setOverflow(Style.Overflow.HIDDEN); } hive.getElement().getStyle().setTableLayout(Style.TableLayout.FIXED); hive.getElement().getStyle().setPosition(Style.Position.RELATIVE); for (CellTable<?> tbl : new CellTable<?>[] { headerLeft, headerRight, frozenLeft, frozenRight, scrollableLeft, scrollableRight, footerLeft, footerRight }) { tbl.setTableLayoutFixed(true); } // header headerLeft.setHeaderBuilder(new ThemedHeaderOrFooterBuilder<T>(headerLeft, false, this)); headerLeft.setFooterBuilder(new NullHeaderOrFooterBuilder<T>(headerLeft, true)); headerRight.setHeaderBuilder(new ThemedHeaderOrFooterBuilder<T>(headerRight, false, this)); headerRight.setFooterBuilder(new NullHeaderOrFooterBuilder<T>(headerRight, true)); // footer footerLeft.setHeaderBuilder(new NullHeaderOrFooterBuilder<T>(footerLeft, false)); footerLeft.setFooterBuilder(new ThemedHeaderOrFooterBuilder<T>(footerLeft, true)); footerRight.setHeaderBuilder(new NullHeaderOrFooterBuilder<T>(footerRight, false)); footerRight.setFooterBuilder(new ThemedHeaderOrFooterBuilder<T>(footerRight, true)); // data bodies for (GridSection<?> section : new GridSection<?>[] { frozenLeft, frozenRight, scrollableLeft, scrollableRight }) { GridSection<T> gSection = (GridSection<T>) section; gSection.setHeaderBuilder(new NullHeaderOrFooterBuilder<T>(gSection, false)); gSection.setFooterBuilder(new NullHeaderOrFooterBuilder<T>(gSection, true)); } for (GridSection<?> section : new GridSection<?>[] { headerLeft, headerRight, frozenLeft, frozenRight, scrollableLeft, scrollableRight, footerLeft, footerRight }) { section.setAutoHeaderRefreshDisabled(true); } for (GridSection<?> section : new GridSection<?>[] { headerLeft, headerRight, footerLeft, footerRight }) { section.setAutoFooterRefreshDisabled(true); } // cells installCellBuilders(); scrollableRightContainer.addScrollHandler(new ScrollHandler() { @Override public void onScroll(ScrollEvent event) { int aimTop = scrollableRightContainer.getElement().getScrollTop(); int aimLeft = scrollableRightContainer.getElement().getScrollLeft(); scrollableLeftContainer.getElement().setScrollTop(aimTop); int factTopDelta = aimTop - scrollableLeftContainer.getElement().getScrollTop(); if (factTopDelta > 0) { scrollableLeftContainer.getElement().getStyle().setBottom(factTopDelta, Style.Unit.PX); } else { scrollableLeftContainer.getElement().getStyle().clearBottom(); } headerRightContainer.getElement().setScrollLeft(aimLeft); int factLeftDelta0 = aimLeft - headerRightContainer.getElement().getScrollLeft(); if (factLeftDelta0 > 0) { headerRightContainer.getElement().getStyle().setRight(factLeftDelta0, Style.Unit.PX); } else { headerRightContainer.getElement().getStyle().clearRight(); } frozenRightContainer.getElement().setScrollLeft(aimLeft); int factLeftDelta1 = aimLeft - frozenRightContainer.getElement().getScrollLeft(); if (factLeftDelta1 > 0) { frozenRightContainer.getElement().getStyle().setRight(factLeftDelta1, Style.Unit.PX); } else { frozenRightContainer.getElement().getStyle().clearRight(); } footerRightContainer.getElement() .setScrollLeft(scrollableRightContainer.getElement().getScrollLeft()); int factLeftDelta2 = aimLeft - footerRightContainer.getElement().getScrollLeft(); if (factLeftDelta2 > 0) { footerRightContainer.getElement().getStyle().setRight(factLeftDelta2, Style.Unit.PX); } else { footerRightContainer.getElement().getStyle().clearRight(); } } }); ghostLine = Document.get().createDivElement(); ghostLine.addClassName(RULER_STYLE); ghostLine.getStyle().setPosition(Style.Position.ABSOLUTE); ghostLine.getStyle().setTop(0, Style.Unit.PX); ghostColumn = Document.get().createDivElement(); ghostColumn.addClassName(COLUMN_PHANTOM_STYLE); ghostColumn.getStyle().setPosition(Style.Position.ABSOLUTE); ghostColumn.getStyle().setTop(0, Style.Unit.PX); addDomHandler(new DragEnterHandler() { @Override public void onDragEnter(DragEnterEvent event) { if (DraggedColumn.instance != null) { if (DraggedColumn.instance.isMove()) { event.preventDefault(); event.stopPropagation(); DraggedColumn<T> target = findTargetDraggedColumn(event.getNativeEvent().getEventTarget()); if (target != null) { showColumnMoveDecorations(target); event.getDataTransfer().<XDataTransfer>cast().setDropEffect("move"); } else { event.getDataTransfer().<XDataTransfer>cast().setDropEffect("none"); } } else { } } else { event.getDataTransfer().<XDataTransfer>cast().setDropEffect("none"); } } }, DragEnterEvent.getType()); addDomHandler(new DragHandler() { @Override public void onDrag(DragEvent event) { if (DraggedColumn.instance != null && DraggedColumn.instance.isResize()) { event.stopPropagation(); /* int newWidth = event.getNativeEvent().getClientX() - DraggedColumn.instance.getCellElement().getAbsoluteLeft(); if (newWidth > MINIMUM_COLUMN_WIDTH) { event.getDataTransfer().<XDataTransfer> cast().setDropEffect("move"); } else { event.getDataTransfer().<XDataTransfer> cast().setDropEffect("none"); } */ } } }, DragEvent.getType()); addDomHandler(new DragOverHandler() { @Override public void onDragOver(DragOverEvent event) { if (DraggedColumn.instance != null) { event.preventDefault(); event.stopPropagation(); if (DraggedColumn.instance.isMove()) { DraggedColumn<T> target = findTargetDraggedColumn(event.getNativeEvent().getEventTarget()); if (target != null) { event.getDataTransfer().<XDataTransfer>cast().setDropEffect("move"); } else { hideColumnDecorations(); event.getDataTransfer().<XDataTransfer>cast().setDropEffect("none"); } } else { Element hostElement = Grid.this.getElement(); int clientX = event.getNativeEvent().getClientX(); int hostAbsX = hostElement.getAbsoluteLeft(); int hostScrollX = hostElement.getScrollLeft(); int docScrollX = hostElement.getOwnerDocument().getScrollLeft(); int relativeX = clientX - hostAbsX + hostScrollX + docScrollX; ghostLine.getStyle().setLeft(relativeX, Style.Unit.PX); ghostLine.getStyle().setHeight(hostElement.getClientHeight(), Style.Unit.PX); if (ghostLine.getParentElement() != hostElement) { hostElement.appendChild(ghostLine); } } } } }, DragOverEvent.getType()); addDomHandler(new DragLeaveHandler() { @Override public void onDragLeave(DragLeaveEvent event) { if (DraggedColumn.instance != null) { event.stopPropagation(); if (DraggedColumn.instance.isMove()) { if (event.getNativeEvent().getEventTarget() == (JavaScriptObject) Grid.this.getElement()) { hideColumnDecorations(); } } } } }, DragLeaveEvent.getType()); addDomHandler(new DragEndHandler() { @Override public void onDragEnd(DragEndEvent event) { event.stopPropagation(); hideColumnDecorations(); DraggedColumn.instance = null; } }, DragEndEvent.getType()); addDomHandler(new DropHandler() { @Override public void onDrop(DropEvent event) { DraggedColumn<?> source = DraggedColumn.instance; DraggedColumn<T> target = targetDraggedColumn; hideColumnDecorations(); DraggedColumn.instance = null; if (source != null) { event.preventDefault(); event.stopPropagation(); if (source.isMove()) { AbstractCellTable<T> sourceSection = (AbstractCellTable<T>) source.getTable(); // target table may be any section in our grid if (target != null) { Header<?> sourceHeader = source.getHeader(); Header<?> targetHeader = target.getHeader(); if (sourceHeader instanceof DraggableHeader<?> && targetHeader instanceof DraggableHeader<?>) { DraggableHeader<T> sourceDH = (DraggableHeader<T>) sourceHeader; DraggableHeader<T> targetDH = (DraggableHeader<T>) targetHeader; moveColumnNode(sourceDH.getHeaderNode(), targetDH.getHeaderNode()); } else { int sourceIndex = source.getColumnIndex(); int targetIndex = target.getColumnIndex(); GridSection<T> targetSection = (GridSection<T>) target.getTable(); boolean isSourceLeft = sourceSection == headerLeft || sourceSection == frozenLeft || sourceSection == scrollableLeft || sourceSection == footerLeft; boolean isTargetLeft = targetSection == headerLeft || targetSection == frozenLeft || targetSection == scrollableLeft || targetSection == footerLeft; sourceSection = isSourceLeft ? headerLeft : headerRight; targetSection = isTargetLeft ? headerLeft : headerRight; int generalSourceIndex = isSourceLeft ? sourceIndex : sourceIndex + frozenColumns; int generalTargetIndex = isTargetLeft ? targetIndex : targetIndex + frozenColumns; Header<?> header = sourceSection.getHeader(sourceIndex); if (header instanceof DraggableHeader) { ((DraggableHeader) header).setTable(targetSection); } if (generalSourceIndex != generalTargetIndex) { Column<T, ?> column = (Column<T, ?>) source.getColumn(); if (!(header instanceof DraggableHeader) || ((DraggableHeader) header).isMoveable()) { moveColumn(generalSourceIndex, generalTargetIndex); } } } } } else { Header<?> header = source.getHeader(); if (!(header instanceof DraggableHeader) || ((DraggableHeader) header).isResizable()) { int newWidth = Math.max( event.getNativeEvent().getClientX() - source.getCellElement().getAbsoluteLeft(), MINIMUM_COLUMN_WIDTH); // Source and target tables are the same, so we can // cast to DraggedColumn<T> with no care setColumnWidthFromHeaderDrag(((DraggedColumn<T>) source).getColumn(), newWidth, Style.Unit.PX); } } } } }, DropEvent.getType()); columnsChevron.getElement().getStyle().setPosition(Style.Position.ABSOLUTE); columnsChevron.getElement().addClassName(COLUMNS_CHEVRON_STYLE); getElement().appendChild(columnsChevron.getElement()); columnsChevron.addDomHandler(new ClickHandler() { @Override public void onClick(ClickEvent event) { PopupPanel pp = new PopupPanel(); pp.setAutoHideEnabled(true); pp.setAutoHideOnHistoryEventsEnabled(true); pp.setAnimationEnabled(true); MenuBar columnsMenu = new MenuBar(true); fillColumns(columnsMenu, headerLeft); fillColumns(columnsMenu, headerRight); pp.setWidget(columnsMenu); pp.setPopupPosition(columnsChevron.getAbsoluteLeft(), columnsChevron.getAbsoluteTop()); pp.showRelativeTo(columnsChevron); } private void fillColumns(MenuBar aTarget, final GridSection<T> aSection) { for (int i = 0; i < aSection.getColumnCount(); i++) { Header<?> h = aSection.getHeader(i); final Column<T, ?> column = aSection.getColumn(i); SafeHtml rendered; if (h.getValue() instanceof String) { String hVal = (String) h.getValue(); rendered = hVal.startsWith("<html>") ? SafeHtmlUtils.fromTrustedString(hVal.substring(6)) : SafeHtmlUtils.fromString(hVal); } else { Cell.Context context = new Cell.Context(0, i, h.getKey()); SafeHtmlBuilder sb = new SafeHtmlBuilder(); h.render(context, sb); rendered = sb.toSafeHtml(); } MenuItemCheckBox miCheck = new MenuItemCheckBox(!aSection.isColumnHidden(column), rendered.asString(), true); miCheck.addValueChangeHandler(new ValueChangeHandler<Boolean>() { @Override public void onValueChange(ValueChangeEvent<Boolean> event) { if (Boolean.TRUE.equals(event.getValue())) { showColumn(column); } else { hideColumn(column); } Grid.this.onResize(); } }); aTarget.addItem(miCheck); } } }, ClickEvent.getType()); ColumnSortEvent.Handler sectionSortHandler = new ColumnSortEvent.Handler() { @Override public void onColumnSort(ColumnSortEvent event) { boolean isCtrlKey = ((GridSection<?>) event.getSource()).isCtrlKey(); boolean contains = false; int containsAt = -1; for (int i = 0; i < sortList.size(); i++) { if (sortList.get(i).getColumn() == event.getColumn()) { contains = true; containsAt = i; break; } } if (!contains) { if (!isCtrlKey) { sortList.clear(); } sortList.insert(sortList.size(), new ColumnSortList.ColumnSortInfo(event.getColumn(), true)); } else { boolean wasAscending = sortList.get(containsAt).isAscending(); if (!isCtrlKey) { sortList.clear(); if (wasAscending) { sortList.push(new ColumnSortList.ColumnSortInfo(event.getColumn(), false)); } } else { sortList.remove(sortList.get(containsAt)); if (wasAscending) { sortList.insert(containsAt, new ColumnSortList.ColumnSortInfo(event.getColumn(), false)); } } } ColumnSortEvent.fire(Grid.this, sortList); } }; headerLeft.getColumnSortList().setLimit(1); headerLeft.addColumnSortHandler(sectionSortHandler); headerRight.getColumnSortList().setLimit(1); headerRight.addColumnSortHandler(sectionSortHandler); gridColor = PublishedColor.create(211, 211, 211, 255); regenerateDynamicTDStyles(); regenerateDynamicOddRowsStyles(); getElement().<XElement>cast().addResizingTransitionEnd(this); }
From source file:com.eas.grid.Grid.java
public Grid(ProvidesKey<T> aKeyProvider) { super();/* w w w . j av a2 s .co m*/ getElement().getStyle().setPosition(Style.Position.RELATIVE); getElement().appendChild(tdsStyleElement); getElement().appendChild(cellsStyleElement); getElement().appendChild(oddRowsStyleElement); getElement().appendChild(evenRowsStyleElement); setRowsHeight(30); hive = new FlexTable(); setWidget(hive); hive.setCellPadding(0); hive.setCellSpacing(0); hive.setBorderWidth(0); headerLeft = new GridSection<T>(aKeyProvider); headerLeftContainer = new ScrollPanel(headerLeft); headerRight = new GridSection<T>(aKeyProvider); headerRightContainer = new ScrollPanel(headerRight); frozenLeft = new GridSection<T>(aKeyProvider) { @Override protected void replaceAllChildren(List<T> values, SafeHtml html) { super.replaceAllChildren(values, html); footerLeft.redrawFooters(); frozenLeftRendered(); } @Override protected void replaceChildren(List<T> values, int start, SafeHtml html) { super.replaceChildren(values, start, html); footerLeft.redrawFooters(); frozenLeftRendered(); } @Override protected void onFocus() { super.onFocus(); Element focused = getKeyboardSelectedElement(); if (focused != null) focused.setTabIndex(tabIndex); FocusEvent.fireNativeEvent(Document.get().createFocusEvent(), Grid.this); } @Override protected void onBlur() { super.onBlur(); FocusEvent.fireNativeEvent(Document.get().createBlurEvent(), Grid.this); } }; frozenLeftContainer = new ScrollPanel(frozenLeft); frozenRight = new GridSection<T>(aKeyProvider) { @Override protected void replaceAllChildren(List<T> values, SafeHtml html) { super.replaceAllChildren(values, html); footerRight.redrawFooters(); frozenRightRendered(); } @Override protected void replaceChildren(List<T> values, int start, SafeHtml html) { super.replaceChildren(values, start, html); footerRight.redrawFooters(); frozenRightRendered(); } @Override protected void onFocus() { super.onFocus(); Element focused = getKeyboardSelectedElement(); if (focused != null) focused.setTabIndex(tabIndex); FocusEvent.fireNativeEvent(Document.get().createFocusEvent(), Grid.this); } @Override protected void onBlur() { super.onBlur(); FocusEvent.fireNativeEvent(Document.get().createBlurEvent(), Grid.this); } }; frozenRightContainer = new ScrollPanel(frozenRight); scrollableLeft = new GridSection<T>(aKeyProvider) { @Override protected void replaceAllChildren(List<T> values, SafeHtml html) { super.replaceAllChildren(values, html); footerLeft.redrawFooters(); scrollableLeftRendered(); } @Override protected void replaceChildren(List<T> values, int start, SafeHtml html) { super.replaceChildren(values, start, html); footerLeft.redrawFooters(); scrollableLeftRendered(); } @Override protected void onFocus() { super.onFocus(); Element focused = getKeyboardSelectedElement(); if (focused != null) focused.setTabIndex(tabIndex); FocusEvent.fireNativeEvent(Document.get().createFocusEvent(), Grid.this); } @Override protected void onBlur() { super.onBlur(); FocusEvent.fireNativeEvent(Document.get().createBlurEvent(), Grid.this); } }; scrollableLeftContainer = new ScrollPanel(scrollableLeft); scrollableRight = new GridSection<T>(aKeyProvider) { @Override protected void replaceAllChildren(List<T> values, SafeHtml html) { super.replaceAllChildren(values, html); footerRight.redrawFooters(); scrollableRightRendered(); } @Override protected void replaceChildren(List<T> values, int start, SafeHtml html) { super.replaceChildren(values, start, html); footerRight.redrawFooters(); scrollableRightRendered(); } @Override protected void onFocus() { super.onFocus(); Element focused = getKeyboardSelectedElement(); if (focused != null) focused.setTabIndex(tabIndex); FocusEvent.fireNativeEvent(Document.get().createFocusEvent(), Grid.this); } @Override protected void onBlur() { super.onBlur(); FocusEvent.fireNativeEvent(Document.get().createBlurEvent(), Grid.this); } }; scrollableRightContainer = new ScrollPanel(scrollableRight); footerLeft = new GridSection<>(aKeyProvider); footerLeftContainer = new ScrollPanel(footerLeft); footerRight = new GridSection<>(aKeyProvider); footerRightContainer = new ScrollPanel(footerRight); // positioning context / overflow setup // overflow for (Widget w : new Widget[] { headerLeftContainer, headerRightContainer, frozenLeftContainer, frozenRightContainer, scrollableLeftContainer, footerLeftContainer, footerRightContainer }) { w.getElement().getStyle().setOverflow(Style.Overflow.HIDDEN); } // scrollableRightContainer.getElement().getStyle().setOverflow(Style.Overflow.AUTO); // default value // context for (Widget w : new Widget[] { headerLeftContainer, headerRightContainer, frozenLeftContainer, frozenRightContainer, scrollableLeftContainer, scrollableRightContainer, footerLeftContainer, footerRightContainer }) { w.getElement().getFirstChildElement().getStyle().setPosition(Style.Position.ABSOLUTE); } // propagation of some widths headerLeft.setWidthPropagator(new GridWidthPropagator<T>(headerLeft) { @Override public void changed() { super.changed(); propagateHeaderWidth(); } }); for (GridSection<T> section : (GridSection<T>[]) new GridSection<?>[] { headerRight, frozenLeft, frozenRight, scrollableLeft, scrollableRight, footerLeft, footerRight }) { section.setWidthPropagator(new GridWidthPropagator<>(section)); } headerLeft.setColumnsPartners(new AbstractCellTable[] { frozenLeft, scrollableLeft, footerLeft }); headerRight.setColumnsPartners(new AbstractCellTable[] { frozenRight, scrollableRight, footerRight }); ColumnsRemover leftColumnsRemover = new ColumnsRemoverAdapter<T>(headerLeft, frozenLeft, scrollableLeft, footerLeft); ColumnsRemover rightColumnsRemover = new ColumnsRemoverAdapter<T>(headerRight, frozenRight, scrollableRight, footerRight); for (GridSection<T> section : (GridSection<T>[]) new GridSection<?>[] { headerLeft, frozenLeft, scrollableLeft, footerLeft }) { section.setColumnsRemover(leftColumnsRemover); } for (GridSection<T> section : (GridSection<T>[]) new GridSection<?>[] { headerRight, frozenRight, scrollableRight, footerRight }) { section.setColumnsRemover(rightColumnsRemover); } for (GridSection<T> section : (GridSection<T>[]) new GridSection<?>[] { frozenLeft, scrollableLeft, footerLeft }) { section.setHeaderSource(headerLeft); } for (GridSection<T> section : (GridSection<T>[]) new GridSection<?>[] { frozenRight, scrollableRight, footerRight }) { section.setHeaderSource(headerRight); } for (GridSection<T> section : (GridSection<T>[]) new GridSection<?>[] { headerLeft, frozenLeft, scrollableLeft }) { section.setFooterSource(footerLeft); } for (GridSection<T> section : (GridSection<T>[]) new GridSection<?>[] { headerRight, frozenRight, scrollableRight }) { section.setFooterSource(footerRight); } // hive organization hive.setWidget(0, 0, headerLeftContainer); hive.setWidget(0, 1, headerRightContainer); hive.setWidget(1, 0, frozenLeftContainer); hive.setWidget(1, 1, frozenRightContainer); hive.setWidget(2, 0, scrollableLeftContainer); hive.setWidget(2, 1, scrollableRightContainer); hive.setWidget(3, 0, footerLeftContainer); hive.setWidget(3, 1, footerRightContainer); for (Widget w : new Widget[] { headerLeftContainer, headerRightContainer, frozenLeftContainer, frozenRightContainer, scrollableLeftContainer, scrollableRightContainer, footerLeftContainer, footerRightContainer }) { w.setWidth("100%"); w.setHeight("100%"); } // misc for (Widget w : new Widget[] { headerRightContainer, frozenRightContainer, footerRightContainer, scrollableLeftContainer }) { w.getElement().getParentElement().getStyle().setOverflow(Style.Overflow.HIDDEN); } hive.getElement().getStyle().setTableLayout(Style.TableLayout.FIXED); hive.getElement().getStyle().setPosition(Style.Position.RELATIVE); for (CellTable<?> tbl : new CellTable<?>[] { headerLeft, headerRight, frozenLeft, frozenRight, scrollableLeft, scrollableRight, footerLeft, footerRight }) { tbl.setTableLayoutFixed(true); } // header headerLeft.setHeaderBuilder(new ThemedHeaderOrFooterBuilder<T>(headerLeft, false, this)); headerLeft.setFooterBuilder(new NullHeaderOrFooterBuilder<T>(headerLeft, true)); headerRight.setHeaderBuilder(new ThemedHeaderOrFooterBuilder<T>(headerRight, false, this)); headerRight.setFooterBuilder(new NullHeaderOrFooterBuilder<T>(headerRight, true)); // footer footerLeft.setHeaderBuilder(new NullHeaderOrFooterBuilder<T>(footerLeft, false)); footerLeft.setFooterBuilder(new ThemedHeaderOrFooterBuilder<T>(footerLeft, true)); footerRight.setHeaderBuilder(new NullHeaderOrFooterBuilder<T>(footerRight, false)); footerRight.setFooterBuilder(new ThemedHeaderOrFooterBuilder<T>(footerRight, true)); // data bodies for (GridSection<?> section : new GridSection<?>[] { frozenLeft, frozenRight, scrollableLeft, scrollableRight }) { GridSection<T> gSection = (GridSection<T>) section; gSection.setHeaderBuilder(new NullHeaderOrFooterBuilder<T>(gSection, false)); gSection.setFooterBuilder(new NullHeaderOrFooterBuilder<T>(gSection, true)); } for (GridSection<?> section : new GridSection<?>[] { headerLeft, headerRight, frozenLeft, frozenRight, scrollableLeft, scrollableRight, footerLeft, footerRight }) { section.setAutoHeaderRefreshDisabled(true); } for (GridSection<?> section : new GridSection<?>[] { headerLeft, headerRight, footerLeft, footerRight }) { section.setAutoFooterRefreshDisabled(true); } // cells installCellBuilders(); scrollableRightContainer.addScrollHandler(new ScrollHandler() { @Override public void onScroll(ScrollEvent event) { int aimLeft = scrollableRightContainer.getElement().getScrollLeft(); if (isHeaderVisible()) { headerRightContainer.getElement().setScrollLeft(aimLeft); int factLeftDelta0 = aimLeft - headerRightContainer.getElement().getScrollLeft(); if (factLeftDelta0 > 0) { headerRightContainer.getElement().getStyle().setRight(factLeftDelta0, Style.Unit.PX); } else { headerRightContainer.getElement().getStyle().clearRight(); } } if (frozenColumns > 0 || frozenRows > 0) { int aimTop = scrollableRightContainer.getElement().getScrollTop(); scrollableLeftContainer.getElement().setScrollTop(aimTop); int factTopDelta = aimTop - scrollableLeftContainer.getElement().getScrollTop(); if (factTopDelta > 0) { scrollableLeftContainer.getElement().getStyle().setBottom(factTopDelta, Style.Unit.PX); } else { scrollableLeftContainer.getElement().getStyle().clearBottom(); } frozenRightContainer.getElement().setScrollLeft(aimLeft); int factLeftDelta1 = aimLeft - frozenRightContainer.getElement().getScrollLeft(); if (factLeftDelta1 > 0) { frozenRightContainer.getElement().getStyle().setRight(factLeftDelta1, Style.Unit.PX); } else { frozenRightContainer.getElement().getStyle().clearRight(); } footerRightContainer.getElement() .setScrollLeft(scrollableRightContainer.getElement().getScrollLeft()); int factLeftDelta2 = aimLeft - footerRightContainer.getElement().getScrollLeft(); if (factLeftDelta2 > 0) { footerRightContainer.getElement().getStyle().setRight(factLeftDelta2, Style.Unit.PX); } else { footerRightContainer.getElement().getStyle().clearRight(); } } } }); ghostLine = Document.get().createDivElement(); ghostLine.addClassName(RULER_STYLE); ghostLine.getStyle().setPosition(Style.Position.ABSOLUTE); ghostLine.getStyle().setTop(0, Style.Unit.PX); ghostColumn = Document.get().createDivElement(); ghostColumn.addClassName(COLUMN_PHANTOM_STYLE); ghostColumn.getStyle().setPosition(Style.Position.ABSOLUTE); ghostColumn.getStyle().setTop(0, Style.Unit.PX); addDomHandler(new DragEnterHandler() { @Override public void onDragEnter(DragEnterEvent event) { if (DraggedColumn.instance != null) { if (DraggedColumn.instance.isMove()) { event.preventDefault(); event.stopPropagation(); DraggedColumn<T> target = findTargetDraggedColumn(event.getNativeEvent().getEventTarget()); if (target != null) { showColumnMoveDecorations(target); event.getDataTransfer().<XDataTransfer>cast().setDropEffect("move"); } else { event.getDataTransfer().<XDataTransfer>cast().setDropEffect("none"); } } else { } } } }, DragEnterEvent.getType()); addDomHandler(new DragHandler() { @Override public void onDrag(DragEvent event) { if (DraggedColumn.instance != null && DraggedColumn.instance.isResize()) { event.stopPropagation(); } } }, DragEvent.getType()); addDomHandler(new DragOverHandler() { @Override public void onDragOver(DragOverEvent event) { if (DraggedColumn.instance != null) { event.preventDefault(); event.stopPropagation(); if (DraggedColumn.instance.isMove()) { DraggedColumn<T> target = findTargetDraggedColumn(event.getNativeEvent().getEventTarget()); if (target != null) { event.getDataTransfer().<XDataTransfer>cast().setDropEffect("move"); } else { hideColumnDecorations(); event.getDataTransfer().<XDataTransfer>cast().setDropEffect("none"); } } else { Element hostElement = Grid.this.getElement(); int clientX = event.getNativeEvent().getClientX(); int hostAbsX = hostElement.getAbsoluteLeft(); int hostScrollX = hostElement.getScrollLeft(); int docScrollX = hostElement.getOwnerDocument().getScrollLeft(); int relativeX = clientX - hostAbsX + hostScrollX + docScrollX; ghostLine.getStyle().setLeft(relativeX, Style.Unit.PX); ghostLine.getStyle().setHeight(hostElement.getClientHeight(), Style.Unit.PX); if (ghostLine.getParentElement() != hostElement) { hostElement.appendChild(ghostLine); } } } } }, DragOverEvent.getType()); addDomHandler(new DragLeaveHandler() { @Override public void onDragLeave(DragLeaveEvent event) { if (DraggedColumn.instance != null) { event.stopPropagation(); if (DraggedColumn.instance.isMove()) { if (event.getNativeEvent().getEventTarget() == (JavaScriptObject) Grid.this.getElement()) { hideColumnDecorations(); } } } } }, DragLeaveEvent.getType()); addDomHandler(new DragEndHandler() { @Override public void onDragEnd(DragEndEvent event) { if (DraggedColumn.instance != null) { event.stopPropagation(); hideColumnDecorations(); DraggedColumn.instance = null; } } }, DragEndEvent.getType()); addDomHandler(new DropHandler() { @Override public void onDrop(DropEvent event) { DraggedColumn<?> source = DraggedColumn.instance; DraggedColumn<T> target = targetDraggedColumn; hideColumnDecorations(); DraggedColumn.instance = null; if (source != null) { event.preventDefault(); event.stopPropagation(); if (source.isMove()) { AbstractCellTable<T> sourceSection = (AbstractCellTable<T>) source.getTable(); // target table may be any section in our grid if (target != null) { Header<?> sourceHeader = source.getHeader(); Header<?> targetHeader = target.getHeader(); if (sourceHeader instanceof DraggableHeader<?> && targetHeader instanceof DraggableHeader<?>) { DraggableHeader<T> sourceDH = (DraggableHeader<T>) sourceHeader; DraggableHeader<T> targetDH = (DraggableHeader<T>) targetHeader; moveColumnNode(sourceDH.getHeaderNode(), targetDH.getHeaderNode()); } else { int sourceIndex = source.getColumnIndex(); int targetIndex = target.getColumnIndex(); GridSection<T> targetSection = (GridSection<T>) target.getTable(); boolean isSourceLeft = sourceSection == headerLeft || sourceSection == frozenLeft || sourceSection == scrollableLeft || sourceSection == footerLeft; boolean isTargetLeft = targetSection == headerLeft || targetSection == frozenLeft || targetSection == scrollableLeft || targetSection == footerLeft; sourceSection = isSourceLeft ? headerLeft : headerRight; targetSection = isTargetLeft ? headerLeft : headerRight; int generalSourceIndex = isSourceLeft ? sourceIndex : sourceIndex + frozenColumns; int generalTargetIndex = isTargetLeft ? targetIndex : targetIndex + frozenColumns; Header<?> header = sourceSection.getHeader(sourceIndex); if (header instanceof DraggableHeader) { ((DraggableHeader) header).setTable(targetSection); } if (generalSourceIndex != generalTargetIndex) { Column<T, ?> column = (Column<T, ?>) source.getColumn(); if (!(header instanceof DraggableHeader) || ((DraggableHeader) header).isMoveable()) { moveColumn(generalSourceIndex, generalTargetIndex); } } } } } else { Header<?> header = source.getHeader(); if (!(header instanceof DraggableHeader) || ((DraggableHeader) header).isResizable()) { int newWidth = Math.max( event.getNativeEvent().getClientX() - source.getCellElement().getAbsoluteLeft(), MINIMUM_COLUMN_WIDTH); // Source and target tables are the same, so we can // cast to DraggedColumn<T> with no care setColumnWidthFromHeaderDrag(((DraggedColumn<T>) source).getColumn(), newWidth, Style.Unit.PX); } } } } }, DropEvent.getType()); columnsChevron.getElement().getStyle().setPosition(Style.Position.ABSOLUTE); columnsChevron.getElement().addClassName(COLUMNS_CHEVRON_STYLE); getElement().appendChild(columnsChevron.getElement()); columnsChevron.addDomHandler(new ClickHandler() { @Override public void onClick(ClickEvent event) { PlatypusPopupMenu columnsMenu = new PlatypusPopupMenu(); fillColumns(columnsMenu, headerLeft); fillColumns(columnsMenu, headerRight); columnsMenu.setPopupPosition(columnsChevron.getAbsoluteLeft(), columnsChevron.getAbsoluteTop()); columnsMenu.showRelativeTo(columnsChevron); } private void fillColumns(MenuBar aTarget, final GridSection<T> aSection) { for (int i = 0; i < aSection.getColumnCount(); i++) { Header<?> h = aSection.getHeader(i); final Column<T, ?> column = aSection.getColumn(i); SafeHtml rendered; if (h.getValue() instanceof String) { String hVal = (String) h.getValue(); rendered = hVal.startsWith("<html>") ? SafeHtmlUtils.fromTrustedString(hVal.substring(6)) : SafeHtmlUtils.fromString(hVal); } else { Cell.Context context = new Cell.Context(0, i, h.getKey()); SafeHtmlBuilder sb = new SafeHtmlBuilder(); h.render(context, sb); rendered = sb.toSafeHtml(); } MenuItemCheckBox miCheck = new MenuItemCheckBox(!aSection.isColumnHidden(column), rendered.asString(), true); miCheck.addValueChangeHandler(new ValueChangeHandler<Boolean>() { @Override public void onValueChange(ValueChangeEvent<Boolean> event) { if (Boolean.TRUE.equals(event.getValue())) { showColumn(column); } else { hideColumn(column); } Grid.this.onResize(); } }); aTarget.addItem(miCheck); } } }, ClickEvent.getType()); ColumnSortEvent.Handler sectionSortHandler = new ColumnSortEvent.Handler() { @Override public void onColumnSort(ColumnSortEvent event) { boolean isCtrlKey = ((GridSection<?>) event.getSource()).isCtrlKey(); boolean contains = false; int containsAt = -1; for (int i = 0; i < sortList.size(); i++) { if (sortList.get(i).getColumn() == event.getColumn()) { contains = true; containsAt = i; break; } } if (!contains) { if (!isCtrlKey) { sortList.clear(); } sortList.insert(sortList.size(), new ColumnSortList.ColumnSortInfo(event.getColumn(), true)); } else { boolean wasAscending = sortList.get(containsAt).isAscending(); if (!isCtrlKey) { sortList.clear(); if (wasAscending) { sortList.push(new ColumnSortList.ColumnSortInfo(event.getColumn(), false)); } } else { sortList.remove(sortList.get(containsAt)); if (wasAscending) { sortList.insert(containsAt, new ColumnSortList.ColumnSortInfo(event.getColumn(), false)); } } } ColumnSortEvent.fire(Grid.this, sortList); } }; headerLeft.getColumnSortList().setLimit(1); headerLeft.addColumnSortHandler(sectionSortHandler); headerRight.getColumnSortList().setLimit(1); headerRight.addColumnSortHandler(sectionSortHandler); gridColor = PublishedColor.create(211, 211, 211, 255); regenerateDynamicTDStyles(); regenerateDynamicOddRowsStyles(); getElement().<XElement>cast().addResizingTransitionEnd(this); setStyleName(GRID_SHELL_STYLE); }
From source file:org.kaaproject.avro.ui.gwt.client.widget.grid.AvroUiDataGrid.java
License:Apache License
@Override protected boolean resetFocusOnCell() { boolean focused = false; if (hasFilterHeaders() && filterFocusedCellColumn > -1 && filterFocusedCellRow > -1) { TableSectionElement thead = getTableHeadElement(); NodeList<TableRowElement> rows = thead.getRows(); if (filterFocusedCellRow < rows.getLength()) { TableRowElement row = rows.getItem(filterFocusedCellRow); NodeList<TableCellElement> cells = row.getCells(); if (filterFocusedCellColumn < cells.getLength()) { TableCellElement cell = cells.getItem(filterFocusedCellColumn); if (getHeaderBuilder().isHeader(cell)) { Header<?> header = getHeaderBuilder().getHeader(cell); Context context = new Context(0, 0, header.getKey()); focused = resetFocusOnFilterCellImpl(context, header, cell); }//from ww w. j ava2 s . c o m } } } if (!focused) { focused = super.resetFocusOnCell(); } return focused; }
From source file:org.kaaproject.avro.ui.gwt.client.widget.grid.StringFilterHeaderBuilder.java
License:Apache License
@SuppressWarnings("unchecked") @Override/*from w w w.ja v a 2s.com*/ protected boolean buildHeaderOrFooterImpl() { boolean result = super.buildHeaderOrFooterImpl(); AbstractCellTable<T> table = getTable(); Header<?> prevHeader = getHeader(0); Style style = table.getResources().style(); StringBuilder classesBuilder = new StringBuilder(style.header()); classesBuilder.append(" ").append(Utils.avroUiStyle.fieldWidget()); TableRowBuilder tr = startRow(); for (int i = 0; i < table.getColumnCount(); i++) { appendExtraStyles(prevHeader, classesBuilder); TableCellBuilder th = tr.startTH().className(classesBuilder.toString()); Column<T, ?> column = table.getColumn(i); Header<?> header = null; if (column instanceof FiltrableStringColumn) { StringFilterHeader filterHeader = new StringFilterHeader(grid, (FiltrableStringColumn<T>) column, new Integer(i)); Set<String> headerEvents = filterHeader.getCell().getConsumedEvents(); Set<String> consumedEvents = new HashSet<String>(); if (headerEvents != null) { consumedEvents.addAll(headerEvents); } sinkEvents(table, consumedEvents); header = filterHeader; } else { header = new SafeHtmlHeader(SafeHtmlUtils.fromSafeConstant("")); } Context context = new Context(0, 0, header.getKey()); renderHeader(th, context, header); th.endTH(); } tr.endTR(); return result; }
From source file:org.roda.wui.common.client.widgets.wcag.AccessibleHeaderOrFooterBuilder.java
@Override protected boolean buildHeaderOrFooterImpl() { AbstractCellTable<T> table = getTable(); boolean isFooter = isBuildingFooter(); // Early exit if there aren't any columns to render. int columnCount = table.getColumnCount(); if (columnCount == 0) { // Nothing to render return false; }/*from w w w .j a v a 2 s .co m*/ // Early exit if there aren't any headers in the columns to render. boolean hasHeader = false; for (int i = 0; i < columnCount; i++) { if (getHeader(i) != null) { hasHeader = true; break; } } if (!hasHeader) { return false; } // Get information about the sorted column. ColumnSortList sortList = table.getColumnSortList(); ColumnSortInfo sortedInfo = (sortList.size() == 0) ? null : sortList.get(0); Column<?, ?> sortedColumn = (sortedInfo == null) ? null : sortedInfo.getColumn(); boolean isSortAscending = (sortedInfo == null) ? false : sortedInfo.isAscending(); // Get the common style names. Style style = getTable().getResources().style(); String className = isBuildingFooter() ? style.footer() : style.header(); String sortableStyle = " " + style.sortableHeader(); String sortedStyle = " " + (isSortAscending ? style.sortedHeaderAscending() : style.sortedHeaderDescending()); // Setup the first column. Header<?> prevHeader = getHeader(0); Column<T, ?> column = getTable().getColumn(0); int prevColspan = 1; boolean isSortable = false; boolean isSorted = false; StringBuilder classesBuilder = new StringBuilder(className); classesBuilder.append(" " + (isFooter ? style.firstColumnFooter() : style.firstColumnHeader())); if (!isFooter && column.isSortable()) { isSortable = true; isSorted = (column == sortedColumn); } // Loop through all column headers. TableRowBuilder tr = startRow(); int curColumn; for (curColumn = 1; curColumn < columnCount; curColumn++) { Header<?> header = getHeader(curColumn); if (header != prevHeader) { // The header has changed, so append the previous one. if (isSortable) { classesBuilder.append(sortableStyle); } if (isSorted) { classesBuilder.append(sortedStyle); } appendExtraStyles(prevHeader, classesBuilder); // Render the header. TableCellBuilder th = tr.startTH().colSpan(prevColspan).className(classesBuilder.toString()); enableColumnHandlers(th, column); if (prevHeader != null) { // Build the header. Context context = new Context(0, curColumn - prevColspan, prevHeader.getKey()); // Add div element with aria button role if (isSortable) { // TODO: Figure out aria-label and translation of label text th.attribute("role", "button"); th.tabIndex(-1); } updatedRenderSortableHeader(th, context, prevHeader, isSorted, isSortAscending); } th.endTH(); // Reset the previous header. prevHeader = header; prevColspan = 1; classesBuilder = new StringBuilder(className); isSortable = false; isSorted = false; } else { // Increment the colspan if the headers == each other. prevColspan++; } // Update the sorted state. column = table.getColumn(curColumn); if (!isFooter && column.isSortable()) { isSortable = true; isSorted = (column == sortedColumn); } } // Append the last header. if (isSortable) { classesBuilder.append(sortableStyle); } if (isSorted) { classesBuilder.append(sortedStyle); } // The first and last columns could be the same column. classesBuilder.append(" ").append(isFooter ? style.lastColumnFooter() : style.lastColumnHeader()); appendExtraStyles(prevHeader, classesBuilder); // Render the last header. TableCellBuilder th = tr.startTH().colSpan(prevColspan).className(classesBuilder.toString()); enableColumnHandlers(th, column); if (prevHeader != null) { Context context = new Context(0, curColumn - prevColspan, prevHeader.getKey()); updatedRenderSortableHeader(th, context, prevHeader, isSorted, isSortAscending); } th.endTH(); // End the row. tr.endTR(); return true; }