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

Example 6 with Label

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

the class DefaultLookAndFeel method drawLabelText.

/**
 * Draws the text of a label
 *
 * @param g graphics context
 * @param l label component
 * @param text the text for the label
 * @param x position for the label
 * @param y position for the label
 * @param textSpaceW the width available for the component
 * @return the space used by the drawing
 */
protected int drawLabelText(Graphics g, Label l, String text, int x, int y, int textSpaceW) {
    Style style = l.getStyle();
    Font f = style.getFont();
    boolean rtl = l.isRTL();
    boolean isTickerRunning = l.isTickerRunning();
    int txtW = l.getStringWidth(f);
    if ((!isTickerRunning) || rtl) {
        // if there is no space to draw the text add ... at the end
        if (txtW > textSpaceW && textSpaceW > 0) {
            if (rtl) {
                if ((!isTickerRunning) && (l.isEndsWith3Points())) {
                    String points = "...";
                    int pointsW = f.stringWidth(points);
                    g.drawString(points, l.getShiftText() + x, y, l.getStyle().getTextDecoration());
                    g.clipRect(pointsW + l.getShiftText() + x, y, textSpaceW - pointsW, f.getHeight());
                }
                x = x - txtW + textSpaceW;
            } else {
                if (l.isEndsWith3Points()) {
                    String points = "...";
                    int index = 1;
                    int widest = f.charWidth('W');
                    int pointsW = f.stringWidth(points);
                    int tlen = text.length();
                    while (fastCharWidthCheck(text, index, textSpaceW - pointsW, widest, f) && index < tlen) {
                        index++;
                    }
                    text = text.substring(0, Math.min(text.length(), Math.max(1, index - 1))) + points;
                    txtW = f.stringWidth(text);
                }
            }
        }
    }
    g.drawString(text, l.getShiftText() + x, y, style.getTextDecoration());
    return Math.min(txtW, textSpaceW);
}

Example 7 with Label

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

the class DefaultLookAndFeel method drawComponent.

private void drawComponent(Graphics g, Label l, Image icon, Image stateIcon, int preserveSpaceForState) {
    setFG(g, l);
    int gap = l.getGap();
    int stateIconSize = 0;
    int stateIconYPosition = 0;
    String text = l.getText();
    Style style = l.getStyle();
    int cmpX = l.getX();
    int cmpY = l.getY();
    int cmpHeight = l.getHeight();
    int cmpWidth = l.getWidth();
    boolean rtl = l.isRTL();
    int leftPadding = style.getPaddingLeft(rtl);
    int rightPadding = style.getPaddingRight(rtl);
    int topPadding = style.getPaddingTop();
    int bottomPadding = style.getPaddingBottom();
    Font font = style.getFont();
    int fontHeight = 0;
    if (text == null) {
        text = "";
    }
    if (text.length() > 0) {
        fontHeight = font.getHeight();
    }
    int x = cmpX + leftPadding;
    int y = cmpY + topPadding;
    boolean opposite = false;
    if (stateIcon != null) {
        // square image width == height
        stateIconSize = stateIcon.getWidth();
        preserveSpaceForState = stateIconSize + gap;
        stateIconYPosition = cmpY + topPadding + (cmpHeight - topPadding - bottomPadding) / 2 - stateIconSize / 2;
        int tX = cmpX;
        if (((Button) l).isOppositeSide()) {
            if (rtl) {
                tX += leftPadding;
            } else {
                tX = tX + cmpWidth - leftPadding - stateIconSize;
            }
            cmpWidth -= leftPadding - stateIconSize;
            preserveSpaceForState = 0;
            opposite = true;
        } else {
            x = cmpX + leftPadding + preserveSpaceForState;
            if (rtl) {
                tX = tX + cmpWidth - leftPadding - stateIconSize;
            } else {
                tX += leftPadding;
            }
        }
        g.drawImage(stateIcon, tX, stateIconYPosition);
    }
    // default for bottom left alignment
    int align = reverseAlignForBidi(l, style.getAlignment());
    int textPos = reverseAlignForBidi(l, l.getTextPosition());
    // set initial x,y position according to the alignment and textPosition
    if (align == Component.LEFT) {
        switch(textPos) {
            case Label.LEFT:
            case Label.RIGHT:
                y = y + (cmpHeight - (topPadding + bottomPadding + Math.max(((icon != null) ? icon.getHeight() : 0), fontHeight))) / 2;
                break;
            case Label.BOTTOM:
            case Label.TOP:
                y = y + (cmpHeight - (topPadding + bottomPadding + ((icon != null) ? icon.getHeight() + gap : 0) + fontHeight)) / 2;
                break;
        }
    } else if (align == Component.CENTER) {
        switch(textPos) {
            case Label.LEFT:
            case Label.RIGHT:
                x = x + (cmpWidth - (preserveSpaceForState + leftPadding + rightPadding + ((icon != null) ? icon.getWidth() + l.getGap() : 0) + l.getStringWidth(font))) / 2;
                if (!opposite) {
                    x = Math.max(x, cmpX + leftPadding + preserveSpaceForState);
                } else {
                    x = Math.min(x, cmpX + leftPadding + preserveSpaceForState);
                }
                y = y + (cmpHeight - (topPadding + bottomPadding + Math.max(((icon != null) ? icon.getHeight() : 0), fontHeight))) / 2;
                break;
            case Label.BOTTOM:
            case Label.TOP:
                x = x + (cmpWidth - (preserveSpaceForState + leftPadding + rightPadding + Math.max(((icon != null) ? icon.getWidth() + l.getGap() : 0), l.getStringWidth(font)))) / 2;
                if (!opposite) {
                    x = Math.max(x, cmpX + leftPadding + preserveSpaceForState);
                } else {
                    x = Math.min(x, cmpX + leftPadding + preserveSpaceForState);
                }
                y = y + (cmpHeight - (topPadding + bottomPadding + ((icon != null) ? icon.getHeight() + gap : 0) + fontHeight)) / 2;
                break;
        }
    } else if (align == Component.RIGHT) {
        switch(textPos) {
            case Label.LEFT:
            case Label.RIGHT:
                x = cmpX + cmpWidth - rightPadding - (((icon != null) ? (icon.getWidth() + gap) : 0) + l.getStringWidth(font));
                if (l.isRTL()) {
                    if (!opposite) {
                        x = Math.max(x - preserveSpaceForState, cmpX + leftPadding);
                    } else {
                        x = Math.min(x - preserveSpaceForState, cmpX + leftPadding);
                    }
                } else {
                    if (!opposite) {
                        x = Math.max(x, cmpX + leftPadding + preserveSpaceForState);
                    } else {
                        x = Math.min(x, cmpX + leftPadding + preserveSpaceForState);
                    }
                }
                y = y + (cmpHeight - (topPadding + bottomPadding + Math.max(((icon != null) ? icon.getHeight() : 0), fontHeight))) / 2;
                break;
            case Label.BOTTOM:
            case Label.TOP:
                x = cmpX + cmpWidth - rightPadding - (Math.max(((icon != null) ? (icon.getWidth()) : 0), l.getStringWidth(font)));
                if (!opposite) {
                    x = Math.max(x, cmpX + leftPadding + preserveSpaceForState);
                } else {
                    x = Math.min(x, cmpX + leftPadding + preserveSpaceForState);
                }
                y = y + (cmpHeight - (topPadding + bottomPadding + ((icon != null) ? icon.getHeight() + gap : 0) + fontHeight)) / 2;
                break;
        }
    }
    int textSpaceW = cmpWidth - rightPadding - leftPadding;
    if (icon != null && (textPos == Label.RIGHT || textPos == Label.LEFT)) {
        textSpaceW = textSpaceW - icon.getWidth();
    }
    if (stateIcon != null) {
        textSpaceW = textSpaceW - stateIconSize;
    } else {
        textSpaceW = textSpaceW - preserveSpaceForState;
    }
    if (icon == null) {
        // no icon only string
        drawLabelString(g, l, text, x, y, textSpaceW);
    } else {
        int strWidth = l.getStringWidth(font);
        int iconWidth = icon.getWidth();
        int iconHeight = icon.getHeight();
        int iconStringWGap;
        int iconStringHGap;
        switch(textPos) {
            case Label.LEFT:
                if (iconHeight > fontHeight) {
                    iconStringHGap = (iconHeight - fontHeight) / 2;
                    strWidth = drawLabelStringValign(g, l, text, x, y, iconStringHGap, iconHeight, textSpaceW, fontHeight);
                    g.drawImage(icon, x + strWidth + gap, y);
                } else {
                    iconStringHGap = (fontHeight - iconHeight) / 2;
                    strWidth = drawLabelString(g, l, text, x, y, textSpaceW);
                    g.drawImage(icon, x + strWidth + gap, y + iconStringHGap);
                }
                break;
            case Label.RIGHT:
                if (iconHeight > fontHeight) {
                    iconStringHGap = (iconHeight - fontHeight) / 2;
                    g.drawImage(icon, x, y);
                    drawLabelStringValign(g, l, text, x + iconWidth + gap, y, iconStringHGap, iconHeight, textSpaceW, fontHeight);
                } else {
                    iconStringHGap = (fontHeight - iconHeight) / 2;
                    g.drawImage(icon, x, y + iconStringHGap);
                    drawLabelString(g, l, text, x + iconWidth + gap, y, textSpaceW);
                }
                break;
            case Label.BOTTOM:
                if (iconWidth > strWidth) {
                    // center align the smaller
                    iconStringWGap = (iconWidth - strWidth) / 2;
                    g.drawImage(icon, x, y);
                    drawLabelString(g, l, text, x + iconStringWGap, y + iconHeight + gap, textSpaceW);
                } else {
                    iconStringWGap = (Math.min(strWidth, textSpaceW) - iconWidth) / 2;
                    g.drawImage(icon, x + iconStringWGap, y);
                    drawLabelString(g, l, text, x, y + iconHeight + gap, textSpaceW);
                }
                break;
            case Label.TOP:
                if (iconWidth > strWidth) {
                    // center align the smaller
                    iconStringWGap = (iconWidth - strWidth) / 2;
                    drawLabelString(g, l, text, x + iconStringWGap, y, textSpaceW);
                    g.drawImage(icon, x, y + fontHeight + gap);
                } else {
                    iconStringWGap = (Math.min(strWidth, textSpaceW) - iconWidth) / 2;
                    drawLabelString(g, l, text, x, y, textSpaceW);
                    g.drawImage(icon, x + iconStringWGap, y + fontHeight + gap);
                }
                break;
        }
    }
}

Example 8 with Label

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

the class DefaultLookAndFeel method getPullToRefreshHeight.

/**
 * {@inheritDoc}
 */
public int getPullToRefreshHeight() {
    if (pull == null) {
        BorderLayout bl = new BorderLayout();
        bl.setCenterBehavior(BorderLayout.CENTER_BEHAVIOR_CENTER_ABSOLUTE);
        pull = new Container(bl);
    }
    if (pullDown == null) {
        pullDown = new Label(getUIManager().localize("pull.down", "Pull down do refresh..."));
        pullDown.setUIID("PullToRefresh");
        Image i = UIManager.getInstance().getThemeImageConstant("pullToRefreshImage");
        if (i == null) {
            i = getDefaultRefreshIcon();
        }
        i = i.rotate(180);
        ((Label) pullDown).setIcon(i);
    }
    if (releaseToRefresh == null) {
        releaseToRefresh = new Label(getUIManager().localize("pull.release", "Release to refresh..."));
        releaseToRefresh.setUIID("PullToRefresh");
        Image i = UIManager.getInstance().getThemeImageConstant("pullToRefreshImage");
        if (i == null) {
            i = getDefaultRefreshIcon();
        }
        ((Label) releaseToRefresh).setIcon(i);
    }
    if (updating == null) {
        updating = new Container(new BoxLayout(BoxLayout.X_AXIS));
        ((Container) updating).addComponent(new InfiniteProgress());
        Label l = new Label(getUIManager().localize("pull.refresh", "Updating..."));
        l.setUIID("PullToRefresh");
        ((Container) updating).addComponent(l);
        pull.getUnselectedStyle().setPadding(0, 0, 0, 0);
        pull.getUnselectedStyle().setMargin(0, 0, 0, 0);
        pull.addComponent(BorderLayout.CENTER, updating);
        pull.layoutContainer();
        pull.setHeight(Math.max(pullDown.getPreferredH(), pull.getPreferredH()));
    }
    String s = UIManager.getInstance().getThemeConstant("pullToRefreshHeight", null);
    if (s != null) {
        float f = Util.toFloatValue(s);
        if (f > 0) {
            return Display.getInstance().convertToPixels(f);
        }
    }
    return pull.getHeight();
}

Example 9 with Label

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

the class GlassTutorial method paint.

/**
 * {@inheritDoc}
 */
public void paint(Graphics g, Rectangle rect) {
    if (internal == null) {
        internal = new Label(" ");
        internal.setUIID("GlassTutorial");
    }
    internal.setSize(rect.getSize());
    internal.paintComponent(g);
    int componentCount = vec.size();
    for (int iter = 0; iter < componentCount; iter++) {
        Component current = (Component) vec.elementAt(iter);
        String pos = (String) current.getClientProperty(POS);
        Component dest = (Component) current.getClientProperty(DEST);
        int xpos = dest.getAbsoluteX();
        int ypos = dest.getAbsoluteY();
        int w = dest.getWidth();
        int h = dest.getHeight();
        if (pos.equals(BorderLayout.CENTER)) {
            current.setX(xpos);
            current.setY(ypos);
            current.setWidth(w);
            current.setHeight(h);
            current.paintComponent(g);
            continue;
        }
        Dimension d = current.getPreferredSize();
        current.setWidth(d.getWidth());
        current.setHeight(d.getHeight());
        if (pos.equals(BorderLayout.SOUTH)) {
            current.setX(xpos + w / 2 - d.getWidth() / 2);
            current.setY(ypos + h);
            current.paintComponent(g);
            continue;
        }
        if (pos.equals(BorderLayout.NORTH)) {
            current.setX(xpos + w / 2 - d.getWidth() / 2);
            current.setY(ypos - d.getHeight());
            current.paintComponent(g);
            continue;
        }
        if (pos.equals(BorderLayout.EAST)) {
            current.setX(xpos + w);
            current.setY(ypos + h / 2 - d.getHeight() / 2);
            current.paintComponent(g);
            continue;
        }
        if (pos.equals(BorderLayout.WEST)) {
            current.setX(xpos - d.getWidth());
            current.setY(ypos + h / 2 - d.getHeight() / 2);
            current.paintComponent(g);
            continue;
        }
    }
}

Example 10 with Label

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

the class LazyValueC method postCreateComponents.

/**
 * Invoked after the components were created to allow properties that require the entire
 * tree to exist to update the component. This is useful for properties that point
 * at other components.
 */
private void postCreateComponents(DataInputStream in, Container parent, Resources res) throws Exception {
    // finds the component whose properties need to update
    String name = in.readUTF();
    Component lastComponent = null;
    while (name.length() > 0) {
        if (lastComponent == null || !lastComponent.getName().equals(name)) {
            lastComponent = findByName(name, parent);
        }
        Component c = lastComponent;
        int property = in.readInt();
        modifyingProperty(c, property);
        switch(property) {
            case PROPERTY_COMMAND_LEGACY:
                {
                    readCommand(in, c, parent, res, true);
                    break;
                }
            case PROPERTY_COMMAND:
                {
                    readCommand(in, c, parent, res, false);
                    break;
                }
            case PROPERTY_LABEL_FOR:
                c.setLabelForComponent((Label) findByName(in.readUTF(), parent));
                break;
            case PROPERTY_LEAD_COMPONENT:
                ((Container) c).setLeadComponent(findByName(in.readUTF(), parent));
                break;
            case PROPERTY_NEXT_FOCUS_UP:
                c.setNextFocusUp(findByName(in.readUTF(), parent));
                break;
            case PROPERTY_NEXT_FOCUS_DOWN:
                c.setNextFocusDown(findByName(in.readUTF(), parent));
                break;
            case PROPERTY_NEXT_FOCUS_LEFT:
                c.setNextFocusLeft(findByName(in.readUTF(), parent));
                break;
            case PROPERTY_NEXT_FOCUS_RIGHT:
                c.setNextFocusRight(findByName(in.readUTF(), parent));
                break;
        }
        name = in.readUTF();
    }
}