Example usage for com.google.gwt.safehtml.shared SafeHtmlBuilder toSafeHtml

List of usage examples for com.google.gwt.safehtml.shared SafeHtmlBuilder toSafeHtml

Introduction

In this page you can find the example usage for com.google.gwt.safehtml.shared SafeHtmlBuilder toSafeHtml.

Prototype

public SafeHtml toSafeHtml() 

Source Link

Document

Returns the safe HTML accumulated in the builder as a SafeHtml .

Usage

From source file:com.appspot.hommkmessage.shared.MessageMetadata.java

License:Open Source License

public HTML getInfoLine(DateFormatter dateFormatter, LocalStorage localStorage) {
    String creationDatePart = "<span class=\"messageListEntryUploadDate\">"
            + dateFormatter.formatDateTime(creationDate) + "</span>";
    String iconHtml = getMessageType().getIconHtml();
    SafeHtmlBuilder safeHtmlBuilder = new SafeHtmlBuilder();
    String subjectClass = "";
    if (localStorage.isMessageUnread(id)) {
        subjectClass = "messageListEntrySubjectUnread";
    }//from w w w .  j  a v a2  s .co m
    safeHtmlBuilder.appendHtmlConstant("<span class=\"" + subjectClass + "\">");
    safeHtmlBuilder.appendEscaped(subjectText);
    safeHtmlBuilder.appendHtmlConstant("</span><br/><span class=\"messageListEntrySecondLine\">");
    safeHtmlBuilder.appendEscaped(messageDateText);
    safeHtmlBuilder.appendEscaped(receiverText);
    safeHtmlBuilder.appendHtmlConstant("</span>");
    return new HTML(creationDatePart + " -- " + iconHtml + safeHtmlBuilder.toSafeHtml().asString());
}

From source file:com.appspot.socialinquirer.client.view.ActivityViewImpl.java

License:Apache License

/**
 * Inits the table columns./*from  w  w w  .j  a va  2 s  .c o  m*/
 *
 * @param table the table
 * @param selectionModel the selection model
 */
private void initTableColumns(CellTable<NamedBean> table, final SelectionModel<NamedBean> selectionModel) {
    // Checkbox column. This table will uses a checkbox column for
    // selection.
    // Alternatively, you can call cellTable.setSelectionEnabled(true) to
    // enable
    // mouse selection.
    Column<NamedBean, Boolean> checkColumn = new Column<NamedBean, Boolean>(new CheckboxCell(true, false)) {
        @Override
        public Boolean getValue(NamedBean object) {
            // Get the value from the selection model.
            return selectionModel.isSelected(object);
        }
    };
    table.addColumn(checkColumn, SafeHtmlUtils.fromSafeConstant("<br/>"));

    // Name.
    Column<NamedBean, String> nameColumn = new Column<NamedBean, String>(new ClickableTextCell()) {
        @Override
        public String getValue(NamedBean object) {
            return object.getName();
        }
    };
    table.addColumn(nameColumn, constants.templatesTableColumnName());
    // Headline.
    //       Column<NamedBean, String> tagsColumn = new Column<NamedBean, String>(
    //           new ClickableTextCell()) {
    //         @Override
    //         public String getValue(NamedBean object) {
    //            StringBuilder builder = new StringBuilder();
    //            for (String tag : object.getTags()) {
    //               builder.append(tag).append(" ");
    //            }
    //           return builder.toString();
    //           
    //         }
    //       };
    //       table.addColumn(tagsColumn, constants.templatesTableColumnTags());

    // Description
    Column<NamedBean, SafeHtml> descColumn = new Column<NamedBean, SafeHtml>(new SafeHtmlCell()) {
        @Override
        public SafeHtml getValue(NamedBean object) {
            SafeHtmlBuilder builder = new SafeHtmlBuilder();
            builder.appendHtmlConstant(object.getDescription());
            return builder.toSafeHtml();
        }
    };
    table.addColumn(descColumn, constants.templatesTableColumnSummary());
}

From source file:com.arcbees.chosen.client.ChosenImpl.java

License:Apache License

private SafeHtml createEmptyOption() {
    SafeHtmlBuilder builder = new SafeHtmlBuilder();
    builder.append(fromTrustedString("<option value=''></option>"));

    return builder.toSafeHtml();
}

From source file:com.arcbees.chosen.client.ChosenImpl.java

License:Apache License

private SafeHtml createOption(OptionItem item) {
    SafeHtmlBuilder builder = new SafeHtmlBuilder();
    builder.append(fromTrustedString("<option value='")).appendEscaped(item.getValue())
            .append(fromTrustedString("'"));

    if (item.isSelected()) {
        builder.append(fromTrustedString(" selected"));
    }/*w  w  w. j  a v a 2s  .  c  o  m*/

    if (item.isDisabled()) {
        builder.append(fromTrustedString(" disabled"));
    }

    builder.append(fromTrustedString(">")).appendEscaped(item.getText());
    builder.append(fromTrustedString("</option>"));

    return builder.toSafeHtml();
}

From source file:com.arcbees.chosen.client.ChosenImpl.java

License:Apache License

private void rebuildResultItems(boolean init) {
    if (selectedItem != null) {
        selectedItem.toggleClass(css.chznDefault(), selectedValues.isEmpty());
    }//from w ww  . ja va2  s.  co m

    SafeHtmlBuilder content = new SafeHtmlBuilder();
    SafeHtmlBuilder optionsHtml = new SafeHtmlBuilder();

    selectedValues = new ArrayList<String>();

    for (SelectItem item : selectItems) {
        if (item.isGroup()) {
            SafeHtml result = resultAddGroup((GroupItem) item);
            if (result != null) {
                content.append(result);
            }
        } else {
            OptionItem optionItem = (OptionItem) item;

            if (optionItem.isEmpty()) {
                optionsHtml.append(createEmptyOption());
                continue;
            }

            if (customFilter) {
                optionsHtml.append(createOption(optionItem));
            }

            SafeHtml optionHtml = resultAddOption(optionItem);
            if (optionHtml != null) {
                content.append(optionHtml);
            }

            if (optionItem.isSelected()) {
                addChoice(optionItem);

                selectedValues.add(optionItem.getValue());
            }
        }
    }

    isDisabled = selectElement.isDisabled();
    if (isDisabled) {
        setupDisabledSearchField();
    } else {
        setupEnabledSearchField();
    }

    if (init) {
        showSearchFieldDefault(defaultText);
        searchFieldScale(fWidth);
    }
    if (customFilter) {
        // keep the html select element synchronized with the new result.
        $selectElement.html(optionsHtml.toSafeHtml().asString());
    }
    searchResults.html(content.toSafeHtml().asString());

    if (resultsShowing) {
        positionDropdownResult();
    }
}

From source file:com.bearsoft.gwt.ui.widgets.grid.cells.DivDecoratorCell.java

@Override
public void render(Context context, C value, SafeHtmlBuilder sb) {
    SafeHtmlBuilder cellBuilder = new SafeHtmlBuilder();
    cell.render(context, value, cellBuilder);
    sb.append(template.outerDiv(outerDivClasses(context), outerDivPadding(context), cellBuilder.toSafeHtml()));
}

From source file:com.bearsoft.gwt.ui.widgets.grid.cells.RenderedEditorCell.java

@Override
public void render(final Context context, final T value, SafeHtmlBuilder sb) {
    CellsResources.INSTANCE.tablecell().ensureInjected();
    String viewDataId = "";
    if (isEditing(context, null, value)) {
        final ViewData<T> viewData = getViewData(context.getKey());
        viewDataId = viewData.id;/*from   ww w  .j  a v  a  2s  .co  m*/
        Scheduler.get().scheduleDeferred(new ScheduledCommand() {

            @Override
            public void execute() {
                if (isEditing(context, null, value)) {
                    Element parent = Document.get().getElementById(viewData.id);
                    if (parent != null) {
                        parent.blur();
                        Element table = parent;
                        while (table != null && !"table".equalsIgnoreCase(table.getTagName())) {
                            table = table.getParentElement();
                        }
                        final Element table1 = table;
                        if (parent.getOwnerDocument() == Document.get()) {
                            startEditing(context, parent, table1.getParentElement(), value, viewData.updater,
                                    new Runnable() {

                                        public void run() {
                                            if (onEditorClose != null && table1 != null) {
                                                onEditorClose.closed(table1);
                                            }
                                        }

                                    });
                        }
                    }
                }
            }

        });
    }
    if (renderer == null || !renderer.render(context, viewDataId, value, sb)) {
        SafeHtmlBuilder content = new SafeHtmlBuilder();
        renderCell(context, value, content);
        sb.append(PaddedCell.INSTANCE.generate(viewDataId, CellsResources.INSTANCE.tablecell().padded(),
                new SafeStylesBuilder().padding(CELL_PADDING, Style.Unit.PX).toSafeStyles(),
                content.toSafeHtml()));
    }
}

From source file:com.bearsoft.gwt.ui.widgets.grid.cells.TreeExpandableCell.java

@Override
public void render(Context context, C value, SafeHtmlBuilder sb) {
    if (treeProvider != null) {
        SafeHtmlBuilder cellBuilder = new SafeHtmlBuilder();
        cell.render(context, value, cellBuilder);
        int deepness = getDeepness(context);
        int outerDivPadding = indent * (deepness + 1);
        SafeStyles styles = new SafeStylesBuilder()
                .trustedNameAndValue("background-position", indent * deepness, Style.Unit.PX)
                .paddingLeft(outerDivPadding, Style.Unit.PX).position(Style.Position.RELATIVE)
                .height(100, Style.Unit.PCT).toSafeStyles();
        sb.append(template.outerDiv(outerDivClasses(context), styles, cellBuilder.toSafeHtml()));
    } else {/*ww w .  jav  a  2s .  c om*/
        cell.render(context, value, sb);
    }
}

From source file:com.bearsoft.gwt.ui.widgets.grid.Grid.java

public Grid(ProvidesKey<T> aKeyProvider) {
    super();//from w ww .  ja v a  2 s. c  o m
    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.bearsoft.gwt.ui.widgets.grid.GridSection.java

public <C> void redrawAllRowsInColumn(int aIndex, ListDataProvider<T> aDataProvider) {
    if (aIndex >= 0 && aIndex < getColumnCount()) {
        int start = getVisibleRange().getStart();
        Column<T, C> column = (Column<T, C>) getColumn(aIndex);
        Cell<C> cell = column.getCell();
        List<T> data = aDataProvider.getList();
        ProvidesKey<T> keys = getKeyProvider();
        NodeList<TableRowElement> rows = getTableBodyElement().getRows();
        for (int i = 0; i < rows.getLength(); i++) {
            TableRowElement row = rows.getItem(i);
            NodeList<TableCellElement> cells = row.getCells();
            if (aIndex >= 0 && aIndex < cells.getLength()) {
                TableCellElement toRerender = cells.getItem(aIndex);
                if (toRerender != null) {
                    SafeHtmlBuilder sb = new SafeHtmlBuilder();
                    int dataIdx = start + i;
                    if (dataIdx >= 0 && dataIdx < data.size()) {
                        T object = data.get(dataIdx);
                        Cell.Context cx = new Cell.Context(start + i, aIndex, keys.getKey(object));
                        cell.render(cx, column.getValue(object), sb);
                        // Take into account, that cell builder supports
                        // some
                        // maps
                        // to cells' divs
                        // and generates them. So we have to work with first
                        // <div>
                        // in <td>.
                        toRerender.getFirstChildElement().setInnerSafeHtml(sb.toSafeHtml());
                    }/*from  w  ww .ja v  a2 s  . co  m*/
                }
            }
        }
    }
}