Java Label类代码示例

import com.codename1.ui.Label; //导入依赖的package包/类
static Hashtable getComponentRegistry() {
    if(componentRegistry == null) {
        componentRegistry = new Hashtable();
        componentRegistry.put("Button", Button.class);
        componentRegistry.put("Calendar", com.codename1.ui.Calendar.class);
        componentRegistry.put("CheckBox", CheckBox.class);
        componentRegistry.put("ComboBox", ComboBox.class);
        componentRegistry.put("Container", Container.class);
        componentRegistry.put("Dialog", Dialog.class);
        componentRegistry.put("Form", Form.class);
        componentRegistry.put("Label", Label.class);
        componentRegistry.put("List", List.class);
        componentRegistry.put("RadioButton", RadioButton.class);
        componentRegistry.put("Slider", Slider.class);
        componentRegistry.put("Tabs", Tabs.class);
        componentRegistry.put("TextArea", TextArea.class);
        componentRegistry.put("TextField", TextField.class);
        componentRegistry.put("EmbeddedContainer", EmbeddedContainer.class);
    }
    return componentRegistry;
}
 

import com.codename1.ui.Label; //导入依赖的package包/类
public static void show(String text, final Form f)
{
    isVisible = true;
    
    f.getLayeredPane().setLayout(new BorderLayout());
    final Label l = new Label(text);
    l.setUIID("ToastMessage");
    f.getLayeredPane().addComponent(BorderLayout.SOUTH, l);
    f.repaint();

    Timer exitTimer = new Timer();
    exitTimer.schedule(new TimerTask() {
        @Override
        public void run() {
            f.getLayeredPane().removeAll();
            f.repaint();
            isVisible = false;
        }
    }, toastTimeOut);
}
 

import com.codename1.ui.Label; //导入依赖的package包/类
protected Form wrap(String title, Component c){
    c.getStyle().setBgColor(0xff0000);
    Form f = new Form(title);
    f.setLayout(new BorderLayout());
    if (isDrawOnMutableImage()) {
        int dispW = Display.getInstance().getDisplayWidth();
        int dispH = Display.getInstance().getDisplayHeight();
        Image img = Image.createImage((int)(dispW * 0.8), (int)(dispH * 0.8), 0x0);
        Graphics g = img.getGraphics();
        c.setWidth((int)(dispW * 0.8));
        c.setHeight((int)(dispH * 0.8));
        c.paint(g);
        f.addComponent(BorderLayout.CENTER, new Label(img));
    } else {
      f.addComponent(BorderLayout.CENTER, c);
    }
    
    return f;
}
 

import com.codename1.ui.Label; //导入依赖的package包/类
Button createImageButton(final long imageId, final Container grid, final int offset) {
    final Button btn = new Button(URLImage.createToFileSystem(placeholder, FileSystemStorage.getInstance().getAppHomePath() + "/Thumb_" + imageId, THUMB_URL_PREFIX + imageId, URLImage.RESIZE_SCALE_TO_FILL));
    btn.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent evt) {
            imageList.setSelectedIndex(offset);
            final Container viewerParent = new Container(new LayeredLayout());
            ImageViewer viewer = new ImageViewer(imageList.getItemAt(offset));
            viewerParent.addComponent(viewer);
            Container parent = new Container(new BorderLayout());
            viewerParent.addComponent(parent);
            parent.addComponent(BorderLayout.SOUTH, createToolbar(imageId));
            
            likeCount = new Label("");
            parent.addComponent(BorderLayout.NORTH, likeCount);
            
            
            viewer.setImageList(imageList);
            grid.getParent().replace(grid, viewerParent, CommonTransitions.createSlide(CommonTransitions.SLIDE_HORIZONTAL, false, 300));
            Display.getInstance().getCurrent().setBackCommand(createBackCommand(viewerParent, grid));
        }
    });
    return btn;
}
 

import com.codename1.ui.Label; //导入依赖的package包/类
public Container createDemo() {
    Container input = new Container(new BoxLayout(BoxLayout.Y_AXIS));
    input.addComponent(new Label("Text Field"));
    input.addComponent(new TextField("Hi World"));
    input.addComponent(new Label("Text Field With Hint"));
    TextField hint = new TextField();
    hint.setHint("Hint");
    input.addComponent(hint);
    input.addComponent(new Label("Multi-Line Text Field"));
    TextField multi = new TextField();
    multi.setSingleLineTextArea(false);
    multi.setRows(4);
    multi.setColumns(20);
    input.addComponent(multi);
    return input;
}
 

import com.codename1.ui.Label; //导入依赖的package包/类
/**
 * This method wraps the layout in a way so the shelves are rendered underneath the
 * given component
 */
private Container wrapInShelves(Container c) {
    Container layered = new Container(new LayeredLayout());
    Container sides = new Container(new BorderLayout());
    Label right = new Label(" ");
    right.setUIID("Right");
    sides.addComponent(BorderLayout.EAST, right);
    Label left = new Label(" ");
    left.setUIID("Left");
    sides.addComponent(BorderLayout.WEST, left);
    layered.addComponent(sides);
    
    layered.addComponent(c);
    
    return layered;
}
 

import com.codename1.ui.Label; //导入依赖的package包/类
@Override
public Component getVideoComponent() {
    if (component == null) {
        if(uri != null) {
            moviePlayerPeer = nativeInstance.createVideoComponent(uri, onCompletionCallbackId);
            nativeInstance.setNativeVideoControlsEmbedded(moviePlayerPeer, embedNativeControls);
            component = PeerComponent.create(new long[] { nativeInstance.getVideoViewPeer(moviePlayerPeer) });
        } else {
            try {
                byte[] data = toByteArray(stream);
                Util.cleanup(stream);
                moviePlayerPeer = nativeInstance.createVideoComponent(data, onCompletionCallbackId);
                component = PeerComponent.create(new long[] { nativeInstance.getVideoViewPeer(moviePlayerPeer) });
            } catch (IOException ex) {
                ex.printStackTrace();
                return new Label("Error loading video " + ex);
            }
        }
    }
    return component;
}
 

import com.codename1.ui.Label; //导入依赖的package包/类
private void assertLabelsActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_assertLabelsActionPerformed
    Form f = Display.getInstance().getCurrent();
    visitComponents(f.getContentPane(), new ComponentVisitor() {
        public void visit(Component c) {
            if(c instanceof com.codename1.ui.Label) {
                com.codename1.ui.Label lbl = (com.codename1.ui.Label)c;
                String labelText = "null";
                if(lbl.getText() != null) {
                    labelText = "\"" + lbl.getText().replace("\n", "\\n") + "\"";
                }
                if(lbl.getName() != null) {
                    generatedCode += "        assertLabel(" + getPathOrName(lbl) + ", " + labelText + ");\n";
                } else {
                    generatedCode += "        assertLabel(" + labelText + ");\n";                    
                }
            }
        }
    });
    updateTestCode();    
}
 

import com.codename1.ui.Label; //导入依赖的package包/类
/**
 * Gets the picture of the given facebook object id
 *
 * @param id the object id to query
 * @param label place the image on the given label as an icon
 * @param toScale scale the image to the given dimension
 * @param tempStorage if true place the image in a temp storage
 */
public void getPicture(String id, final Label label, Dimension toScale, boolean tempStorage) throws IOException {
    checkAuthentication();

    FacebookRESTService fb = new FacebookRESTService(token, id, FacebookRESTService.PICTURE, false);
    if(toScale != null){
        fb.addArgument("width", "" + toScale.getWidth());
        fb.addArgument("height", "" + toScale.getHeight());
    }else{
        fb.addArgument("type", "small");
    }
    String cacheKey = id;
    //check if this image is a temporarey resource and it is not saved
    //already has a permanent image
    if (tempStorage && !Storage.getInstance().exists(id)) {
        cacheKey = TEMP_STORAGE + id;
    }
    ImageDownloadService.createImageToStorage(fb.requestURL(), label, cacheKey, toScale);
}
 

import com.codename1.ui.Label; //导入依赖的package包/类
/**
 * Returns the value of the given component, this can be overriden to add support for custom built components
 * 
 * @param cmp the component
 * @return  the object value
 */
protected Object getComponentValue(Component cmp) {
    if(cmp instanceof InputComponent) {
        cmp = ((InputComponent)cmp).getEditor();
    }
    if(cmp instanceof TextArea) {
        return ((TextArea)cmp).getText();
    }
    if(cmp instanceof Picker) {
        ((Picker)cmp).getValue();
    }
    if(cmp instanceof RadioButton || cmp instanceof CheckBox) {
        if(((Button)cmp).isSelected()) {
            return Boolean.TRUE;
        }
        return Boolean.FALSE;
    }
    if(cmp instanceof Label) {
        return ((Label)cmp).getText();
    }
    if(cmp instanceof List) {
        return ((List)cmp).getSelectedItem();
    }
    return null;
}
 

import com.codename1.ui.Label; //导入依赖的package包/类
private void collapseNode(Component c, Transition t) {
    Container lead = c.getParent().getLeadParent();
    if(lead != null) {
        c = lead;
    }
    c.putClientProperty(KEY_EXPANDED, null);
    setNodeIcon(folder, c);
    Container p = c.getParent();
    for(int iter = 0 ; iter < p.getComponentCount() ; iter++) {
        if(p.getComponentAt(iter) != c) {
            Label dummy = new Label();
            p.replaceAndWait(p.getComponentAt(iter), dummy, t, true);
            p.removeComponent(dummy);
        }
    }
}
 

import com.codename1.ui.Label; //导入依赖的package包/类
private void findComponentsOfInterest(Component cmp, ArrayList dest) {
    if(cmp instanceof Container) {
        Container c = (Container)cmp;
        int count = c.getComponentCount();
        for(int iter = 0 ; iter < count ; iter++) {
            findComponentsOfInterest(c.getComponentAt(iter), dest);
        }
        return;
    }
    // performance optimization for fixed images in lists
    if(cmp.getName() != null) {
        if(cmp instanceof Label) {
            Label l = (Label)cmp;
            if(l.getName().toLowerCase().endsWith("fixed") && l.getIcon() != null) {
                l.getIcon().lock();
            }
            dest.add(cmp);
            return;
        }
        if(cmp instanceof TextArea) {
            dest.add(cmp);
            return;
        }
    }
}
 

import com.codename1.ui.Label; //导入依赖的package包/类
/**
 * Adds a quote according to the current quote count 
 *
 * @param quoteElement The quote element (TAG_Q)
 * @param curAlign The current horizontal alignment
 */
private void addQuote(HTMLElement quoteElement, int curAlign,boolean isStartTag) {
    String quote=null;
    int quoteNum=isStartTag?0:1; // 0 is the start tag of primary tag and 1 its closing tag. 2 is the start of secondary tag and 3 the closing tag (Used for CSS_QUOTES)
    if (quoteTagCount==0) { 
        quote="\"";
    } else {
        quote="'";
        quoteNum+=2;
    }
    if ((FIXED_WIDTH) && (width-x<font.stringWidth(quote))) {
        newLine(curAlign);
    }
    Label quoteLabel=addString(quote, curAlign);

    quoteLabel.putClientProperty(CLIENT_PROPERTY_QUOTE, new Integer(quoteNum));
    if (loadCSS) {
        quoteElement.addAssociatedComponent(quoteLabel);
    }
}
 

import com.codename1.ui.Label; //导入依赖的package包/类
/**
 * Sets this element and all children to have wrapped text.
 * In cases where text is already wrapped no change will be made.
 * This will work only in FIXED_WIDTH mode (Checked before called)
 * Technically all this logic can be found in HTMLComponent.showText, but since we don't want to get into
 * the context of this element (i.e. what was the indentation, alignment etc.), we use this algorithm.
 * 
 * @param element The element to apply text wrapping on
 * @param htmlC The HTMLComponent
 */
private void setWrapRecursive(HTMLElement element,HTMLComponent htmlC) {
    if (element.isTextElement()) {
        String text=element.getText();
        final Vector ui=element.getUi();
        if ((text!=null) && (ui!=null) && (ui.size()==1)) { //If it's already wrapped, no need to process
            final Vector words=htmlC.getWords(text, Component.LEFT, false);
            final Label label=(Label)ui.elementAt(0);
            setWrapText(label, words, element,htmlC);
        }
    }

    for(int i=0;i<element.getNumChildren();i++) {
        setWrapRecursive((HTMLElement)element.getChildAt(i),htmlC);
    }

}
 

import com.codename1.ui.Label; //导入依赖的package包/类
/**
 * Sets the given spacing to all words in this component and its children
 *
 * @param cmp The component to set the spacing on
 * @param spacing The spacing in pixels
 */
private void setWordSpacingRecursive(Component cmp,int spacing) {
    if (cmp instanceof Container) {
        Container cont=(Container)cmp;
        for(int i=0;i<cont.getComponentCount();i++) {
            setWordSpacingRecursive(cont.getComponentAt(i), spacing);
        }
    } else if ((cmp instanceof Label) &&
               (cmp.getParent().getComponentIndex(cmp)<cmp.getParent().getComponentCount()-1))  { // don't apply to the last word
        cmp.getUnselectedStyle().setPadding(Component.RIGHT, spacing);
        if (cmp instanceof HTMLLink) {
            cmp.getSelectedStyle().setPadding(Component.RIGHT, spacing);
            ((HTMLLink)cmp).getPressedStyle().setPadding(Component.RIGHT, spacing);
        }
    }
}