Examples of nextapp.echo2.app.Extent

nextapp.echo2.app.Extent
A representation of a linear distance with units. Extent objects are immutable once constructed.
WARNING: Many Components will have Extent-based properties that allow only certain types of units. Make certain to verify the API specification of any Component to ensure that you are using Extents correctly with it. The Extent-based getXXX() and setXXX() property methods of a Component will explain what types of Extents are allowed.

        FillImageRender.renderToStyle(cssStyle, rc, this, textComponent, IMAGE_ID_BACKGROUND, backgroundImage, 
                FillImageRender.FLAG_DISABLE_FIXED_MODE);
        
        InsetsRender.renderToStyle(cssStyle, "padding", (Insets) textComponent.getRenderProperty(TextComponent.PROPERTY_INSETS));
        
        Extent width = (Extent) textComponent.getRenderProperty(TextComponent.PROPERTY_WIDTH);
        Extent height = (Extent) textComponent.getRenderProperty(TextComponent.PROPERTY_HEIGHT);


        if (width != null) {
            cssStyle.setAttribute("width", ExtentRender.renderCssAttributeValue(width));
        }

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        if (TextComponent.TEXT_CHANGED_PROPERTY.equals(propertyName)) {
            String propertyValue = DomUtil.getElementText(propertyElement);
            ci.getUpdateManager().getClientUpdateManager().setComponentProperty(component, 
                    TextComponent.TEXT_CHANGED_PROPERTY, propertyValue);
        } else if (TextComponent.PROPERTY_HORIZONTAL_SCROLL.equals(propertyName)) {
            Extent propertyValue = new Extent(Integer.parseInt(
                    propertyElement.getAttribute(PropertyUpdateProcessor.PROPERTY_VALUE)));
            ci.getUpdateManager().getClientUpdateManager().setComponentProperty(component, 
                    TextComponent.PROPERTY_HORIZONTAL_SCROLL, propertyValue);
        } else if (TextComponent.PROPERTY_VERTICAL_SCROLL.equals(propertyName)) {
            Extent propertyValue = new Extent(Integer.parseInt(
                    propertyElement.getAttribute(PropertyUpdateProcessor.PROPERTY_VALUE)));
            ci.getUpdateManager().getClientUpdateManager().setComponentProperty(component, 
                    TextComponent.PROPERTY_VERTICAL_SCROLL, propertyValue);
        }
    }

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     * 
     * @param rc the relevant <code>RenderContext</code>
     * @param textComponent the <code>TextComponent<code>
     */
    public void renderInitDirective(RenderContext rc, TextComponent textComponent) {
        Extent horizontalScroll = (Extent) textComponent.getRenderProperty(TextComponent.PROPERTY_HORIZONTAL_SCROLL);
        Extent verticalScroll = (Extent) textComponent.getRenderProperty(TextComponent.PROPERTY_VERTICAL_SCROLL);
        String elementId = ContainerInstance.getElementId(textComponent);
        ServerMessage serverMessage = rc.getServerMessage();


        Element itemizedUpdateElement = serverMessage.getItemizedDirective(ServerMessage.GROUP_ID_POSTUPDATE,
                "EchoTextComponent.MessageProcessor", "init", new String[0], new String[0]);
        Element itemElement = serverMessage.getDocument().createElement("item");
        itemElement.setAttribute("eid", elementId);
        if (horizontalScroll != null && horizontalScroll.getValue() != 0) {
            itemElement.setAttribute("horizontal-scroll", ExtentRender.renderCssAttributePixelValue(horizontalScroll, "0"));
        }
        if (verticalScroll != null && verticalScroll.getValue() != 0) {
            itemElement.setAttribute("vertical-scroll", ExtentRender.renderCssAttributePixelValue(verticalScroll, "0"));
        }
        if (textComponent instanceof TextArea) {
            Integer maximumLength = (Integer) textComponent.getProperty(TextComponent.PROPERTY_MAXIMUM_LENGTH);
            if (maximumLength != null) {

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        Table table = (Table) component;
        
        renderInitDirective(rc, table);
        
        Border border = (Border) table.getRenderProperty(Table.PROPERTY_BORDER);
        Extent borderSize = border == null ? null : border.getSize();


        String elementId = ContainerInstance.getElementId(table);
        
        Document document = parentNode.getOwnerDocument();
        Element tableElement = document.createElement("table");
        tableElement.setAttribute("id", elementId);


        CssStyle tableCssStyle = new CssStyle();
        tableCssStyle.setAttribute("border-collapse", "collapse");
        
        if (((Boolean) table.getRenderProperty(Table.PROPERTY_SELECTION_ENABLED, Boolean.FALSE)).booleanValue()) {
            tableCssStyle.setAttribute("cursor", "pointer");
        }
        
        Insets tableInsets = (Insets) table.getRenderProperty(Table.PROPERTY_INSETS);
        
        String defaultInsetsAttributeValue = tableInsets == null ? "0px" : InsetsRender.renderCssAttributeValue(tableInsets);
        
        ColorRender.renderToStyle(tableCssStyle, component);
        FontRender.renderToStyle(tableCssStyle, component);
        BorderRender.renderToStyle(tableCssStyle, border);
        if (borderSize != null) {
            if (!rc.getContainerInstance().getClientProperties().getBoolean(
                    ClientProperties.QUIRK_CSS_BORDER_COLLAPSE_INSIDE)) {
                tableCssStyle.setAttribute("margin", ExtentRender.renderCssAttributeValueHalf(borderSize));
            }
        }
        
        Extent width = (Extent) table.getRenderProperty(Table.PROPERTY_WIDTH);
        boolean render100PercentWidthWorkaround = false;
        if (rc.getContainerInstance().getClientProperties().getBoolean(
                ClientProperties.QUIRK_IE_TABLE_PERCENT_WIDTH_SCROLLBAR_ERROR)) {
            if (width != null && width.getUnits() == Extent.PERCENT && width.getValue() == 100) {
                width = null;
                render100PercentWidthWorkaround = true;
            }
        }
        ExtentRender.renderToStyle(tableCssStyle, "width", width);
        
        tableElement.setAttribute("style", tableCssStyle.renderInline());
        
        parentNode.appendChild(tableElement);
        
        TableColumnModel columnModel = table.getColumnModel();
        int columnCount = columnModel.getColumnCount();
        
        boolean someColumnsHaveWidths = false;
        for (int i = 0; i < columnCount; ++i) {
            if (columnModel.getColumn(i).getWidth() != null) {
                someColumnsHaveWidths = true;
            }
        }
        if (someColumnsHaveWidths) {
            Element colGroupElement = document.createElement("colgroup");
            tableElement.appendChild(colGroupElement);
            
            for (int i = 0; i < columnCount; ++i) {
                Element colElement = document.createElement("col");
                Extent columnWidth = columnModel.getColumn(i).getWidth();
                if (columnWidth != null) {
                    colElement.setAttribute("width", ExtentRender.renderCssAttributeValue(columnWidth));
                }
                colGroupElement.appendChild(colElement);
            }

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     * @see nextapp.echo2.webcontainer.PropertyUpdateProcessor#processPropertyUpdate(
     *      nextapp.echo2.webcontainer.ContainerInstance, nextapp.echo2.app.Component, org.w3c.dom.Element)
     */
    public void processPropertyUpdate(ContainerInstance ci, Component component, Element propertyElement) {
        if ("separatorPosition".equals(propertyElement.getAttribute(PropertyUpdateProcessor.PROPERTY_NAME))) {
            Extent newValue = ExtentRender.toExtent(propertyElement.getAttribute(PropertyUpdateProcessor.PROPERTY_VALUE)); 
            ci.getUpdateManager().getClientUpdateManager().setComponentProperty(component, 
                    SplitPane.PROPERTY_SEPARATOR_POSITION, newValue);
        }
    }

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     * 
     * @param splitPane the <code>SplitPane</code>
     * @return the separator position
     */
    private int getSeparatorPosition(SplitPane splitPane) {
        Extent separatorPosition = (Extent) splitPane.getRenderProperty(SplitPane.PROPERTY_SEPARATOR_POSITION, 
                DEFAULT_SEPARATOR_POSITION);
        return ExtentRender.toPixels(separatorPosition, 100);
    }

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        Element itemizedUpdateElement = serverMessage.getItemizedDirective(ServerMessage.GROUP_ID_POSTUPDATE,
                "EchoContentPane.MessageProcessor", "init", new String[0], new String[0]);
        Element itemElement = serverMessage.getDocument().createElement("item");
        itemElement.setAttribute("eid", elementId);
        Extent horizontalScroll = (Extent) contentPane.getRenderProperty(ContentPane.PROPERTY_HORIZONTAL_SCROLL);
        if (horizontalScroll != null && horizontalScroll.getValue() != 0) {
            itemElement.setAttribute("horizontal-scroll", ExtentRender.renderCssAttributeValue(horizontalScroll));
        }
        Extent verticalScroll = (Extent) contentPane.getRenderProperty(ContentPane.PROPERTY_VERTICAL_SCROLL);
        if (verticalScroll != null && verticalScroll.getValue() != 0) {
            itemElement.setAttribute("vertical-scroll", ExtentRender.renderCssAttributeValue(verticalScroll));
        }
        itemizedUpdateElement.appendChild(itemElement);
    }

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    private void renderScrollDirective(RenderContext rc, ContentPane contentPane, boolean horizontal) {
        ServerMessage serverMessage = rc.getServerMessage();
        Element scrollElement = 
                serverMessage.appendPartDirective(ServerMessage.GROUP_ID_POSTUPDATE, "EchoContentPane.MessageProcessor",
                horizontal ? "scroll-horizontal" : "scroll-vertical");
        Extent position = (Extent) contentPane.getRenderProperty(
                horizontal ? ContentPane.PROPERTY_HORIZONTAL_SCROLL : ContentPane.PROPERTY_VERTICAL_SCROLL, EXTENT_0);
        scrollElement.setAttribute("eid", ContainerInstance.getElementId(contentPane));
        scrollElement.setAttribute("position", ExtentRender.renderCssAttributeValue(position));
    }

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     *      nextapp.echo2.webcontainer.ContainerInstance,
     *      nextapp.echo2.app.Component, org.w3c.dom.Element)
     */
    public void processPropertyUpdate(ContainerInstance ci, Component component, Element propertyElement) {
        if ("horizontalScroll".equals(propertyElement.getAttribute(PropertyUpdateProcessor.PROPERTY_NAME))) {
            Extent newValue = ExtentRender.toExtent(propertyElement.getAttribute(PropertyUpdateProcessor.PROPERTY_VALUE)); 
            ci.getUpdateManager().getClientUpdateManager().setComponentProperty(component, 
                    ContentPane.PROPERTY_HORIZONTAL_SCROLL, newValue);
        } else if ("verticalScroll".equals(propertyElement.getAttribute(PropertyUpdateProcessor.PROPERTY_NAME))) {
            Extent newValue = ExtentRender.toExtent(propertyElement.getAttribute(PropertyUpdateProcessor.PROPERTY_VALUE)); 
            ci.getUpdateManager().getClientUpdateManager().setComponentProperty(component, 
                    ContentPane.PROPERTY_VERTICAL_SCROLL, newValue);
        } 
    }

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            stateIconElement.setAttribute("id", elementId + "_stateicon");
        }
        
        int entityCount = (textNode == null ? 0 : 1) + (iconElement == null ? 0 : 1) + (stateIconElement == null ? 0 : 1);
        
        Extent iconTextMargin;
        Alignment textPosition;
        Element tableElement;
        
        switch (entityCount) {
        case 1:
            if (textNode != null) {
                contentNode = textNode;
            } else if (iconElement != null) {
                contentNode = iconElement;
            } else { // stateIconElement must not be null.
                contentNode = stateIconElement;
            }
            break;
        case 2:
            iconTextMargin = (Extent) button.getRenderProperty(AbstractButton.PROPERTY_ICON_TEXT_MARGIN, 
                    DEFAULT_ICON_TEXT_MARGIN);
            TriCellTable tct;
            textPosition = (Alignment) button.getRenderProperty(AbstractButton.PROPERTY_TEXT_POSITION, 
                    DEFAULT_TEXT_POSITION);
            if (stateIconElement == null) {
                // Not rendering a ToggleButton.
                int orientation = TriCellTableConfigurator.convertIconTextPositionToOrientation(textPosition, button);
                tct = new TriCellTable(rc, document, elementId, orientation, iconTextMargin);
                
                renderCellText(tct, textNode, button);
                renderCellIcon(tct, iconElement, 1, button);
            } else {
                 // Rendering a ToggleButton.
                Extent stateMargin = (Extent) button.getRenderProperty(ToggleButton.PROPERTY_STATE_MARGIN, 
                        DEFAULT_ICON_TEXT_MARGIN);
                Alignment statePosition = (Alignment) button.getRenderProperty(ToggleButton.PROPERTY_STATE_POSITION,
                        DEFAULT_STATE_POSITION);
                int orientation = TriCellTableConfigurator.convertStatePositionToOrientation(statePosition, button);
                tct = new TriCellTable(rc, document, elementId, orientation, stateMargin);


                if (textNode == null) {
                    renderCellIcon(tct, iconElement, 0, button);
                } else {
                    renderCellText(tct, textNode, button);
                }
                renderCellState(tct, stateIconElement, 1, button);
            }


            tct.addCellCssText("padding:0px;");
            tableElement = tct.getTableElement();
            tableElement.setAttribute("id", elementId + "_table");
            tableElement.setAttribute("style", getContainerTableCssText(button));
            contentNode = tableElement;
            break;
        case 3:
            iconTextMargin = (Extent) button.getRenderProperty(AbstractButton.PROPERTY_ICON_TEXT_MARGIN, 
                    DEFAULT_ICON_TEXT_MARGIN);
            textPosition = (Alignment) button.getRenderProperty(AbstractButton.PROPERTY_TEXT_POSITION, 
                    DEFAULT_TEXT_POSITION);
            Extent stateMargin = (Extent) button.getRenderProperty(ToggleButton.PROPERTY_STATE_MARGIN, 
                    DEFAULT_ICON_TEXT_MARGIN);
            Alignment statePosition = (Alignment) button.getRenderProperty(ToggleButton.PROPERTY_STATE_POSITION,
                    DEFAULT_STATE_POSITION);
            int stateOrientation = TriCellTableConfigurator.convertStatePositionToOrientation(statePosition, button);
            int orientation = TriCellTableConfigurator.convertIconTextPositionToOrientation(textPosition, button);

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