Examples with Command com.codename1.ui.Command used on opensource projects

Example 46 with Command

use of com.codename1.ui.Command in project CodenameOne by codenameone.

the class LiveDemo method start.

public void start() {
    Form previewForm = new Form("Preview Theme");
    Toolbar tb = new Toolbar();
    previewForm.setToolbar(tb);
    tb.setTitle("Preview Theme");
    tb.addMaterialCommandToSideMenu("Side Command", FontImage.MATERIAL_HELP, new ActionListener() {

        public void actionPerformed(ActionEvent evt) {
            ToastBar.showErrorMessage("Unmapped....");
        }
    });
    tb.addMaterialCommandToOverflowMenu("Overflow Command", FontImage.MATERIAL_HELP, new ActionListener() {

        public void actionPerformed(ActionEvent evt) {
            ToastBar.showErrorMessage("Unmapped....");
        }
    });
    tb.addMaterialCommandToRightBar("", FontImage.MATERIAL_HELP, new ActionListener() {

        public void actionPerformed(ActionEvent evt) {
            ToastBar.showErrorMessage("Unmapped....");
        }
    });
    previewForm.setLayout(new BorderLayout());
    Container first = new Container(new BoxLayout(BoxLayout.Y_AXIS));
    first.addComponent(new Label("This is a Label"));
    first.addComponent(new Button("This is a Button"));
    MultiButton mb = new MultiButton("This is a MultiButton");
    mb.setTextLine2("Second line of text");
    FontImage.setMaterialIcon(mb, FontImage.MATERIAL_HELP);
    first.addComponent(mb);
    TextField txt = new TextField();
    txt.setHint("This is a TextField");
    first.addComponent(txt);
    first.addComponent(new CheckBox("This is a CheckBox"));
    RadioButton rb1 = new RadioButton("This is a Radio Button 1");
    rb1.setGroup("group");
    first.addComponent(rb1);
    RadioButton rb2 = new RadioButton("This is a Radio Button 2");
    rb2.setGroup("group");
    first.addComponent(rb2);
    final Slider s = new Slider();
    s.setText("50%");
    s.setProgress(50);
    s.setEditable(true);
    s.setRenderPercentageOnTop(true);
    first.addComponent(s);
    Button b1 = new Button("Show a Dialog");
    b1.addActionListener(new ActionListener() {

        @Override
        public void actionPerformed(ActionEvent evt) {
            Dialog.show("Dialog Title", "Dialog Body", "Ok", "Cancel");
        }
    });
    first.addComponent(b1);
    previewForm.add(BorderLayout.CENTER, first);
    previewForm.show();
}

Example 47 with Command

use of com.codename1.ui.Command in project CodenameOne by codenameone.

the class Log method showLog.

/**
 * Places a form with the log as a TextArea on the screen, this method can
 * be attached to appear at a given time or using a fixed global key. Using
 * this method might cause a problem with further log output
 * @deprecated this method is an outdated method that's no longer supported
 */
public static void showLog() {
    try {
        String text = getLogContent();
        TextArea area = new TextArea(text, 5, 20);
        Form f = new Form("Log");
        f.setScrollable(false);
        final Form current = Display.getInstance().getCurrent();
        Command back = new Command("Back") {

            public void actionPerformed(ActionEvent ev) {
                current.show();
            }
        };
        f.addCommand(back);
        f.setBackCommand(back);
        f.setLayout(new BorderLayout());
        f.addComponent(BorderLayout.CENTER, area);
        f.show();
    } catch (Exception ex) {
        ex.printStackTrace();
    }
}

Example 48 with Command

use of com.codename1.ui.Command in project CodenameOne by codenameone.

the class Dialog method showPopupDialog.

/**
 * A popup dialog is shown with the context of a component and  its selection, it is disposed seamlessly if the back button is pressed
 * or if the user touches outside its bounds. It can optionally provide an arrow in the theme to point at the context component. The popup
 * dialog has the PopupDialog style by default.
 *
 * @param c the context component which is used to position the dialog and can also be pointed at
 * @return the command that might have been triggered by the user within the dialog if commands are placed in the dialog
 */
public Command showPopupDialog(Component c) {
    Rectangle componentPos = c.getSelectedRect();
    componentPos.setX(componentPos.getX() - c.getScrollX());
    componentPos.setY(componentPos.getY() - c.getScrollY());
    return showPopupDialog(componentPos);
}

Example 49 with Command

use of com.codename1.ui.Command in project CodenameOne by codenameone.

the class Dialog method showPackedImpl.

/**
 * Convenience method to show a dialog sized to match its content.
 *
 * @param position one of the values from the BorderLayout class e.g. BorderLayout.CENTER, BorderLayout.NORTH etc.
 * @param modal whether the dialog should be modal or modaless
 * @return the command selected if the dialog is modal and disposed via a command
 */
private Command showPackedImpl(String position, boolean modal, boolean stretch) {
    if (getTitle() == null) {
        setTitle("");
    }
    this.position = position;
    int height = Display.getInstance().getDisplayHeight();
    int width = Display.getInstance().getDisplayWidth();
    if (top > -1) {
        refreshTheme();
    }
    Component contentPane = super.getContentPane();
    Component title = super.getTitleComponent();
    // preferred size logic of the dialog won't work with large title borders
    if (dialogTitle != null && getUIManager().isThemeConstant("hideEmptyTitleBool", false)) {
        boolean b = getTitle().length() > 0;
        getTitleArea().setVisible(b);
        getTitleComponent().setVisible(b);
    }
    Style contentPaneStyle = getDialogStyle();
    int menuHeight = calcMenuHeight();
    // allows a text area to recalculate its preferred size if embedded within a dialog
    revalidate();
    int prefHeight = contentPane.getPreferredH();
    int prefWidth = contentPane.getPreferredW();
    prefWidth = Math.min(prefWidth, width);
    if (contentPaneStyle.getBorder() != null) {
        prefWidth = Math.max(contentPaneStyle.getBorder().getMinimumWidth(), prefWidth);
        prefHeight = Math.max(contentPaneStyle.getBorder().getMinimumHeight(), prefHeight);
    }
    height = height - menuHeight - title.getPreferredH();
    int topBottom = Math.max(0, (height - prefHeight) / 2);
    int leftRight = Math.max(0, (width - prefWidth) / 2);
    if (position.equals(BorderLayout.CENTER)) {
        show(topBottom, topBottom, leftRight, leftRight, true, modal);
        return lastCommandPressed;
    }
    if (position.equals(BorderLayout.EAST)) {
        if (stretch) {
            show(0, 0, Math.max(0, width - prefWidth), 0, true, modal);
        } else {
            show(topBottom, topBottom, Math.max(0, width - prefWidth), 0, true, modal);
        }
        return lastCommandPressed;
    }
    if (position.equals(BorderLayout.WEST)) {
        if (stretch) {
            show(0, 0, 0, Math.max(0, width - prefWidth), true, modal);
        } else {
            show(topBottom, topBottom, 0, Math.max(0, width - prefWidth), true, modal);
        }
        return lastCommandPressed;
    }
    if (position.equals(BorderLayout.NORTH)) {
        if (stretch) {
            show(0, Math.max(0, height - prefHeight), 0, 0, true, modal);
        } else {
            show(0, Math.max(0, height - prefHeight), leftRight, leftRight, true, modal);
        }
        return lastCommandPressed;
    }
    if (position.equals(BorderLayout.SOUTH)) {
        if (stretch) {
            show(Math.max(0, height - prefHeight), 0, 0, 0, true, modal);
        } else {
            show(Math.max(0, height - prefHeight), 0, leftRight, leftRight, true, modal);
        }
        return lastCommandPressed;
    }
    throw new IllegalArgumentException("Unknown position: " + position);
}

Example 50 with Command

use of com.codename1.ui.Command in project CodenameOne by codenameone.

the class HTMLComponent method handleImage.

/**
 * Handles the IMG tag. This includes calculating its size (if available), applying any links/accesskeys and adding it to the download queue
 *
 * @param imgElement the IMG element
 * @param align th current alignment
 * @param cmd The submit command of a form, used only for INPUT type="image"
 */
private void handleImage(HTMLElement imgElement, int align, Command cmd) {
    String imageUrl = imgElement.getAttributeById(HTMLElement.ATTR_SRC);
    Label imgLabel = null;
    if (imageUrl != null) {
        String alignStr = imgElement.getAttributeById(HTMLElement.ATTR_ALIGN);
        // Image width and height
        int iWidth = calcSize(getWidth(), imgElement.getAttributeById(HTMLElement.ATTR_WIDTH), 0, false);
        int iHeight = calcSize(getHeight(), imgElement.getAttributeById(HTMLElement.ATTR_HEIGHT), 0, false);
        // Whitespace on the image sides (i.e. Margins)
        int hspace = getInt(imgElement.getAttributeById(HTMLElement.ATTR_HSPACE));
        int vspace = getInt(imgElement.getAttributeById(HTMLElement.ATTR_VSPACE));
        int totalWidth = iWidth + hspace * 2;
        if ((FIXED_WIDTH) && (x + totalWidth >= width)) {
            newLine(align);
        }
        // Alternative image text, shown until image is loaded.
        String altText = imgElement.getAttributeById(HTMLElement.ATTR_ALT);
        String imageMap = imgElement.getAttributeById(HTMLElement.ATTR_USEMAP);
        if (link != null) {
            // This image is inside an A tag with HREF attribute
            imgLabel = new HTMLLink(altText, link, this, mainLink, false);
            if (mainLink == null) {
                mainLink = (HTMLLink) imgLabel;
            }
            if (accesskey != '\0') {
                // accessKeys.put(new Integer(accesskey), imgLabel);
                addAccessKey(accesskey, imgLabel, false);
            }
            if (!PROCESS_HTML_MP1_ONLY) {
                ((HTMLLink) imgLabel).isMap = (imgElement.getAttributeById(HTMLElement.ATTR_ISMAP) != null);
            }
        } else if (cmd != null) {
            // Special case of an image submit button
            imgLabel = new Button(cmd);
            if ((altText != null) && (!altText.equals(""))) {
                imgLabel.setText(altText);
            }
            if (firstFocusable == null) {
                firstFocusable = imgLabel;
            }
        } else if (imageMap != null) {
            // Image Map
            imgLabel = new HTMLImageMap(this);
            if (imageMapComponents == null) {
                imageMapComponents = new Hashtable();
            }
            if (imageMap.startsWith("#")) {
                // Image map are denoted by # and then the map name (But we also tolerate if map is specified without #)
                imageMap = imageMap.substring(1);
            }
            imageMapComponents.put(imageMap, imgLabel);
            if ((imageMapData != null) && (imageMapData.containsKey(imageMap))) {
                ImageMapData data = (ImageMapData) imageMapData.get(imageMap);
                ((HTMLImageMap) imgLabel).mapData = data;
            }
        } else {
            imgLabel = new Label(altText);
        }
        if ((iWidth != 0) || (iHeight != 0)) {
            // reserve space while loading image if either width or height are specified, otherwise we don't know how much to reserve
            iWidth += imgLabel.getStyle().getPadding(Component.LEFT) + imgLabel.getStyle().getPadding(Component.RIGHT);
            iHeight += imgLabel.getStyle().getPadding(Component.TOP) + imgLabel.getStyle().getPadding(Component.BOTTOM);
            imgLabel.setPreferredSize(new Dimension(iWidth, iHeight));
        } else {
            // If no space is reserved, make a minimal text, otherwise Codename One won't calculate the size right after the image loads
            if ((imgLabel.getText() == null) || (imgLabel.getText().equals(""))) {
                imgLabel.setText(" ");
            }
        }
        // It is important that the padding of the image component itself will be all 0
        // This is because when the image is loaded, its preferred size is checked to see if its width/height were preset by the width/height attribute
        imgLabel.getSelectedStyle().setPadding(0, 0, 0, 0);
        imgLabel.getUnselectedStyle().setPadding(0, 0, 0, 0);
        imgLabel.getSelectedStyle().setFont(font.getFont());
        imgLabel.getUnselectedStyle().setFont(font.getFont());
        int borderSize = getInt(imgElement.getAttributeById(HTMLElement.ATTR_BORDER));
        if (borderSize != 0) {
            imgLabel.putClientProperty(CLIENT_PROPERTY_IMG_BORDER, new Integer(borderSize));
        } else {
            borderSize = 1;
        }
        imgLabel.getUnselectedStyle().setBorder(Border.createLineBorder(borderSize));
        imgLabel.getSelectedStyle().setBorder(Border.createLineBorder(borderSize));
        imgLabel.getUnselectedStyle().setBgTransparency(0);
        imgLabel.getSelectedStyle().setBgTransparency(0);
        Container imgCont = new Container(new BorderLayout());
        imgCont.addComponent(BorderLayout.CENTER, imgLabel);
        imgCont.getSelectedStyle().setMargin(vspace, vspace, hspace, hspace);
        imgCont.getUnselectedStyle().setMargin(vspace, vspace, hspace, hspace);
        curLine.addComponent(imgCont);
        x += totalWidth;
        // Alignment
        imgLabel.setAlignment(getHorizAlign(alignStr, align, false));
        imgLabel.setVerticalAlignment(getVertAlign(alignStr, Component.CENTER));
        if (showImages) {
            if (docInfo != null) {
                imageUrl = docInfo.convertURL(imageUrl);
                threadQueue.add(imgLabel, imageUrl);
            } else {
                if (DocumentInfo.isAbsoluteURL(imageUrl)) {
                    threadQueue.add(imgLabel, imageUrl);
                } else {
                    if (htmlCallback != null) {
                        htmlCallback.parsingError(HTMLCallback.ERROR_NO_BASE_URL, imgElement.getTagName(), imgElement.getAttributeName(new Integer(HTMLElement.ATTR_SRC)), imageUrl, "Ignoring Image file referred in an IMG tag (" + imageUrl + "), since page was set by setBody/setHTML/setDOM so there's no way to access relative URLs");
                    }
                }
            }
        }
        if (loadCSS) {
            imgElement.setAssociatedComponents(imgCont);
        }
    }
}