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

Example 96 with Component

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

the class Container method calculateLastPaintableOffset.

/**
 * Gets the index of the "last" child component that intersects the given rectangle.  This is
 * only helpful if the components are sorted (e.g. with BoxLayout.Y_AXIS).  If they aren't
 * sorted then this will just return components.size()-1.
 * @param pos The starting position to search.  It is assumed that this starting
 * position is in the visible region.
 * @param clipX1 The left bounds of the region to search.  (0,0) is the top left corner of the container.
 * @param clipY1 The top bounds of the region to search. (0,0) is the top left corner of the container.
 * @param clipX2 The right bounds of the region to search. (0,0) is the top left corner of the container.
 * @param clipY2 The bottom bounds of the region to search. (0,0) is the top left corner of the container.
 * @return The index of the last visible component in this container - or components.size()-1
 */
private int calculateLastPaintableOffset(int pos, int clipX1, int clipY1, int clipX2, int clipY2) {
    final int len = components.size();
    if (pos >= len - 1) {
        // Let's return one less than pos to indicate this
        return len - 1;
    }
    final Layout l = getLayout();
    if (l.getClass() == BoxLayout.class) {
        if (((BoxLayout) l).getAxis() == BoxLayout.Y_AXIS) {
            // Use a binary search to find the first visible
            // Component c = components.get(++pos);
            Component c = null;
            int cy1 = -1;
            final int end = len - 1;
            // This should still be a valid index because
            pos++;
            // we previously checked to see if it was >= len-1
            do {
                c = components.get(pos);
                cy1 = c.getBounds().getY();
            } while (++pos <= end && cy1 <= clipY2);
            return pos - 1;
        }
    }
    return len - 1;
}

Example 97 with Component

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

the class Dialog method show.

/**
 * Shows a modal dialog with the given component as its "body" placed in the
 * center.
 *
 * @param title title for the dialog
 * @param body component placed in the center of the dialog
 * @param defaultCommand command to be assigned as the default command or null
 * @param cmds commands that are added to the form any click on any command
 * will dispose the form
 * @param type the type of the alert one of TYPE_WARNING, TYPE_INFO,
 * TYPE_ERROR, TYPE_CONFIRMATION or TYPE_ALARM
 * @param icon the icon for the dialog, can be null
 * @param timeout a timeout after which null would be returned if timeout is 0 inifinite time is used
 * @param transition the transition installed when the dialog enters/leaves
 * @return the command pressed by the user
 */
public static Command show(String title, Component body, Command defaultCommand, Command[] cmds, int type, Image icon, long timeout, Transition transition) {
    Dialog dialog = new Dialog(title);
    dialog.dialogType = type;
    dialog.setTransitionInAnimator(transition);
    dialog.setTransitionOutAnimator(transition);
    dialog.lastCommandPressed = null;
    dialog.setLayout(new BorderLayout());
    if (cmds != null) {
        if (commandsAsButtons) {
            dialog.placeButtonCommands(cmds);
        } else {
            for (int iter = 0; iter < cmds.length; iter++) {
                dialog.addCommand(cmds[iter]);
            }
        }
        // maps the first command to back
        if (cmds.length == 1 || cmds.length == 2) {
            dialog.setBackCommand(cmds[0]);
        }
    }
    if (defaultCommand != null) {
        dialog.setDefaultCommand(defaultCommand);
    }
    dialog.addComponent(BorderLayout.CENTER, body);
    if (icon != null) {
        dialog.addComponent(BorderLayout.EAST, new Label(icon));
    }
    if (timeout != 0) {
        dialog.setTimeout(timeout);
    }
    if (body.isScrollable() || disableStaticDialogScrolling) {
        dialog.setScrollable(false);
    }
    dialog.show();
    return dialog.lastCommandPressed;
}

Example 98 with Component

use of com.codename1.ui.Component 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 rect the screen rectangle to which the popup should point
 * @return the command that might have been triggered by the user within the dialog if commands are placed in the dialog
 */
public Command showPopupDialog(Rectangle rect) {
    if (getDialogUIID().equals("Dialog")) {
        setDialogUIID("PopupDialog");
        if (getTitleComponent().getUIID().equals("DialogTitle")) {
            getTitleComponent().setUIID("PopupDialogTitle");
        }
        getContentPane().setUIID("PopupContentPane");
    }
    disposeOnRotation = true;
    disposeWhenPointerOutOfBounds = true;
    Command backCommand = null;
    if (getBackCommand() == null) {
        backCommand = new Command("Back");
        setBackCommand(backCommand);
    }
    Component contentPane = super.getContentPane();
    Label title = super.getTitleComponent();
    int menuHeight = calcMenuHeight();
    UIManager manager = getUIManager();
    // preferred size logic of the dialog won't work with large title borders
    if (dialogTitle != null && manager.isThemeConstant("hideEmptyTitleBool", false)) {
        boolean b = getTitle().length() > 0;
        getTitleArea().setVisible(b);
        getTitleComponent().setVisible(b);
        if (!b && manager.isThemeConstant("shrinkPopupTitleBool", true)) {
            getTitleComponent().setPreferredSize(new Dimension(0, 0));
            getTitleComponent().getStyle().setBorder(null);
            getTitleArea().setPreferredSize(new Dimension(0, 0));
            if (getContentPane().getClientProperty("$ENLARGED_POP") == null) {
                getContentPane().putClientProperty("$ENLARGED_POP", Boolean.TRUE);
                int cpPaddingTop = getContentPane().getStyle().getPaddingTop();
                int titlePT = getTitleComponent().getStyle().getPaddingTop();
                byte[] pu = getContentPane().getStyle().getPaddingUnit();
                if (pu == null) {
                    pu = new byte[4];
                }
                pu[0] = Style.UNIT_TYPE_PIXELS;
                getContentPane().getStyle().setPaddingUnit(pu);
                int pop = Display.getInstance().convertToPixels(manager.getThemeConstant("popupNoTitleAddPaddingInt", 1), false);
                getContentPane().getStyle().setPadding(TOP, pop + cpPaddingTop + titlePT);
            }
        }
    }
    // allows a text area to recalculate its preferred size if embedded within a dialog
    revalidate();
    Style contentPaneStyle = getDialogStyle();
    boolean restoreArrow = false;
    if (manager.isThemeConstant(getDialogUIID() + "ArrowBool", false)) {
        Image t = manager.getThemeImageConstant(getDialogUIID() + "ArrowTopImage");
        Image b = manager.getThemeImageConstant(getDialogUIID() + "ArrowBottomImage");
        Image l = manager.getThemeImageConstant(getDialogUIID() + "ArrowLeftImage");
        Image r = manager.getThemeImageConstant(getDialogUIID() + "ArrowRightImage");
        Border border = contentPaneStyle.getBorder();
        if (border != null) {
            border.setImageBorderSpecialTile(t, b, l, r, rect);
            restoreArrow = true;
        }
    }
    int prefHeight = contentPane.getPreferredH();
    int prefWidth = contentPane.getPreferredW();
    if (contentPaneStyle.getBorder() != null) {
        prefWidth = Math.max(contentPaneStyle.getBorder().getMinimumWidth(), prefWidth);
        prefHeight = Math.max(contentPaneStyle.getBorder().getMinimumHeight(), prefHeight);
    }
    prefWidth += getUIManager().getLookAndFeel().getVerticalScrollWidth();
    int availableHeight = Display.getInstance().getDisplayHeight() - menuHeight - title.getPreferredH();
    int availableWidth = Display.getInstance().getDisplayWidth();
    int width = Math.min(availableWidth, prefWidth);
    int x = 0;
    int y = 0;
    Command result;
    boolean showPortrait;
    if (popupDirectionBiasPortrait != null) {
        showPortrait = popupDirectionBiasPortrait.booleanValue();
    } else {
        showPortrait = Display.getInstance().isPortrait();
    }
    // if we don't have enough space then disregard device orientation
    if (showPortrait) {
        if (availableHeight < (availableWidth - rect.getWidth()) / 2) {
            showPortrait = false;
        }
    } else {
        if (availableHeight / 2 > availableWidth - rect.getWidth()) {
            showPortrait = true;
        }
    }
    if (showPortrait) {
        if (width < availableWidth) {
            int idealX = rect.getX() - width / 2 + rect.getSize().getWidth() / 2;
            // if the ideal position is less than 0 just use 0
            if (idealX > 0) {
                // if the idealX is too far to the right just align to the right
                if (idealX + width > availableWidth) {
                    x = availableWidth - width;
                } else {
                    x = idealX;
                }
            }
        }
        if (rect.getY() < availableHeight / 2) {
            // popup downwards
            y = rect.getY() + rect.getSize().getHeight();
            int height = Math.min(prefHeight, availableHeight - y);
            result = show(y, availableHeight - height - y, x, availableWidth - width - x, true, true);
        } else {
            // popup upwards
            int height = Math.min(prefHeight, availableHeight - (availableHeight - rect.getY()));
            y = rect.getY() - height;
            result = show(y, availableHeight - height - y, x, availableWidth - width - x, true, true);
        }
    } else {
        int height = Math.min(prefHeight, availableHeight);
        if (height < availableHeight) {
            int idealY = rect.getY() - height / 2 + rect.getSize().getHeight() / 2;
            // if the ideal position is less than 0 just use 0
            if (idealY > 0) {
                // if the idealY is too far up just align to the top
                if (idealY + height > availableHeight) {
                    y = availableHeight - height;
                } else {
                    y = idealY;
                }
            }
        }
        if (prefWidth > rect.getX()) {
            // popup right
            x = rect.getX() + rect.getSize().getWidth();
            if (x + prefWidth > availableWidth) {
                x = availableWidth - prefWidth;
            }
            width = Math.min(prefWidth, availableWidth - x);
            result = show(y, availableHeight - height - y, Math.max(0, x), Math.max(0, availableWidth - width - x), true, true);
        } else {
            // popup left
            width = Math.min(prefWidth, availableWidth - (availableWidth - rect.getX()));
            x = rect.getX() - width;
            result = show(y, availableHeight - height - y, Math.max(0, x), Math.max(0, availableWidth - width - x), true, true);
        }
    }
    if (restoreArrow) {
        contentPaneStyle.getBorder().clearImageBorderSpecialTile();
    }
    if (result == backCommand) {
        return null;
    }
    return result;
}

Example 99 with Component

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

the class FontImage method setMaterialIcon.

/**
 * <p>Applies a material design icon (one of the MATERIAL_* icons above) to the given component using the
 * styling of the label</p>
 * <script src="https://gist.github.com/codenameone/8cf6f70188959524474b.js"></script>
 * @param l a multibutton
 * @param icon one of the MATERIAL_* icons
 * @param size the size of the icon in millimeters
 */
public static void setMaterialIcon(MultiButton l, char icon, float size) {
    if (Font.isTrueTypeFileSupported()) {
        Style s = new Style(l.getUnselectedStyle());
        s.setFont(getMaterialDesignFont().derive(rightSize(s, size), Font.STYLE_PLAIN));
        l.setIcon(FontImage.create("" + icon, s));
    }
}

Example 100 with Component

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

the class FontImage method setMaterialIcon.

/**
 * <p>Applies a material design icon (one of the MATERIAL_* icons above) to the given component using the
 * styling of the label</p>
 * <script src="https://gist.github.com/codenameone/8cf6f70188959524474b.js"></script>
 * @param l a SpanButton
 * @param icon one of the MATERIAL_* icons
 * @param size the size of the icon in millimeters
 */
public static void setMaterialIcon(SpanButton l, char icon, float size) {
    if (Font.isTrueTypeFileSupported()) {
        Style s = new Style(l.getUnselectedStyle());
        s.setFont(getMaterialDesignFont().derive(rightSize(s, size), Font.STYLE_PLAIN));
        l.setIcon(FontImage.create("" + icon, s));
        Style sel = l.getSelectedStyle();
        Style pre = l.getPressedStyle();
        Style dis = l.getDisabledStyle();
        if (sel.getFgColor() != s.getFgColor() || (sel.getBgColor() != s.getBgColor()) || (sel.getBgTransparency() != s.getBgTransparency())) {
            sel = new Style(sel);
            sel.setFont(getMaterialDesignFont().derive(rightSize(sel, size), Font.STYLE_PLAIN));
            l.setRolloverIcon(FontImage.create("" + icon, sel));
        }
        if (pre.getFgColor() != s.getFgColor() || (pre.getBgColor() != s.getBgColor()) || (pre.getBgTransparency() != s.getBgTransparency())) {
            pre = new Style(pre);
            pre.setFont(getMaterialDesignFont().derive(rightSize(pre, size), Font.STYLE_PLAIN));
            l.setPressedIcon(FontImage.create("" + icon, pre));
        }
        if (dis.getFgColor() != s.getFgColor() || (dis.getBgColor() != s.getBgColor()) || (dis.getBgTransparency() != s.getBgTransparency())) {
            dis = new Style(dis);
            dis.setFont(getMaterialDesignFont().derive(rightSize(dis, size), Font.STYLE_PLAIN));
            l.setDisabledIcon(FontImage.create("" + icon, dis));
        }
    }
}