Examples of org.apache.pivot.wtk.Component

org.apache.pivot.wtk.Component
Top level abstract base class for all components. In MVC terminology, a component represents the "controller". It has no inherent visual representation and acts as an intermediary between the component's data (the "model") and the skin, an implementation of {@link Skin} which serves asthe "view".

    }


    @Override
    public int getPreferredHeight(int width) {
        Expander expander = (Expander)getComponent();
        Component content = expander.getContent();


        int preferredHeight = titleBarTablePane.getPreferredHeight(-1);


        if (content != null
            && (expander.isExpanded()
                || expandTransition != null)) {
            // Title bar border is only drawn when content is non-null and
            // expander is expanded or expanding
            preferredHeight += 1;


            int contentWidth = -1;
            if (width >= 0) {
                contentWidth = Math.max(width - (2 + padding.left + padding.right), 0);
            }


            if (expandTransition == null) {
                preferredHeight += (padding.top + padding.bottom
                    + content.getPreferredHeight(contentWidth));
            } else {
                float scale = expandTransition.getScale();
                preferredHeight += (int)(scale * (padding.top + padding.bottom
                    + content.getPreferredHeight(contentWidth)));
            }
        }


        preferredHeight += 2;

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    }


    @Override
    public Dimensions getPreferredSize() {
        Expander expander = (Expander)getComponent();
        Component content = expander.getContent();


        Dimensions titleBarSize = titleBarTablePane.getPreferredSize();


        int preferredWidth = titleBarSize.width;
        int preferredHeight = titleBarSize.height;


        if (content != null) {
            Dimensions contentSize = content.getPreferredSize();


            preferredWidth = Math.max(contentSize.width + (padding.left + padding.right),
                preferredWidth);


            if (expander.isExpanded()

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    }


    @Override
    public int getBaseline(int width, int height) {
        Expander expander = (Expander)getComponent();
        Component content = expander.getContent();


        int baseline = -1;


        if (content != null) {
            int titleBarWidth = Math.max(width - 2, 0);

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    }


    @Override
    public void layout() {
        Expander expander = (Expander)getComponent();
        Component content = expander.getContent();


        int width = getWidth();
        int height = getHeight();


        int titleBarHeight = titleBarTablePane.getPreferredHeight(-1);
        titleBarTablePane.setSize(Math.max(width - 2, 0), titleBarHeight);
        titleBarTablePane.setLocation(1, 1);


        if (content != null) {
            int contentWidth = Math.max(width - (2 + padding.left + padding.right), 0);
            int contentHeight = Math.max(height - (3 + padding.top + padding.bottom + titleBarHeight), 0);


            clipDecorator.setSize(contentWidth, contentHeight);
            content.setSize(contentWidth, content.getPreferredHeight(contentWidth));


            int contentX = 1 + padding.left;
            int contentY = 2 + padding.top + titleBarHeight;
            content.setLocation(contentX, contentY);
        }
    }

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        }


        @Override
        public void start(TransitionListener transitionListener) {
            Expander expander = (Expander)getComponent();
            Component content = expander.getContent();
            content.getDecorators().add(clipDecorator);


            expander.setEnabled(false);


            super.start(transitionListener);
        }

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        }


        @Override
        public void stop() {
            Expander expander = (Expander)getComponent();
            Component content = expander.getContent();
            content.getDecorators().remove(clipDecorator);


            expander.setEnabled(true);


            super.stop();
        }

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        alert.getAlertListeners().add(this);


        // Load the alert content
        BXMLSerializer bxmlSerializer = new BXMLSerializer();


        Component content;
        try {
            content = (Component)bxmlSerializer.readObject(TerraAlertSkin.class,
                "terra_alert_skin.bxml");
        } catch(Exception exception) {
            throw new RuntimeException(exception);

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    public void bodyChanged(Alert alert, Component previousBody) {
        if (previousBody != null) {
            messageBoxPane.remove(previousBody);
        }


        Component body = alert.getBody();
        if (body != null) {
            messageBoxPane.add(body);
        }
    }

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        prompt.getPromptListeners().add(this);


        // Load the prompt content
        BXMLSerializer bxmlSerializer = new BXMLSerializer();


        Component content;
        try {
            content = (Component)bxmlSerializer.readObject(TerraPromptSkin.class,
                "terra_prompt_skin.bxml");
        } catch(Exception exception) {
            throw new RuntimeException(exception);

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    public void bodyChanged(Prompt prompt, Component previousBody) {
        if (previousBody != null) {
            messageBoxPane.remove(previousBody);
        }


        Component body = prompt.getBody();
        if (body != null) {
            messageBoxPane.add(body);
        }
    }

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