Example usage for com.vaadin.ui AbstractComponent equals

Introduction

In this page you can find the example usage for com.vaadin.ui AbstractComponent equals.

Prototype

@Override
    public boolean equals(Object obj) 

Source Link

Usage

From source file:org.semanticsoft.vaaclipse.presentation.renderers.SashRenderer.java

License:Open Source License

public void addSplitPaneListener(MUIElement element) {
    final MPartSashContainer sash = (MPartSashContainer) element;

    List<MPartSashContainerElement> renderableAndVisible = (List<MPartSashContainerElement>) filterRenderableAndVisibleElements(
            sash);// w  w w .  jav  a  2s.  c om

    if (renderableAndVisible.size() > 1) {
        for (MPartSashContainerElement child : renderableAndVisible) {
            Component childComponent = (Component) child.getWidget();
            if (childComponent.getParent() instanceof SashWidget) {
                SashWidget sashWidget = (SashWidget) childComponent.getParent();
                sashWidget.addListener(new SplitPositionChangedListener() {

                    @Override
                    public void processEvent(AbstractSplitPanel splitPanel, float newSplitPos) {
                        AbstractComponent firstWidget = (AbstractComponent) splitPanel.getFirstComponent();

                        //filter renderable and visible again (list can be changed)
                        List<MPartSashContainerElement> renderableAndVisible = (List<MPartSashContainerElement>) filterRenderableAndVisibleElements(
                                sash);
                        MPartSashContainerElement firstChild = null;
                        double rest_weight = 0;
                        List<MPartSashContainerElement> restChilds = new LinkedList<MPartSashContainerElement>();
                        for (int i = 0; i < renderableAndVisible.size(); i++) {
                            MPartSashContainerElement child = renderableAndVisible.get(i);
                            if (firstWidget.equals(child.getWidget())) {
                                firstChild = child;
                            }

                            if (firstChild != null) {
                                try {
                                    double w = parseContainerData(child.getContainerData());
                                    rest_weight += w;
                                } catch (NumberFormatException e) {
                                    logger.error(
                                            "Changing weights of SashContainer's childs is failed. Can not parse children container data");
                                    return;
                                }

                                restChilds.add(child);
                            }
                        }

                        if (restChilds.size() > 1) {
                            //String debugstr = "weights: ";
                            ignoreSashWeights = true;

                            double rest_weight_except_first = rest_weight
                                    - parseContainerData(firstChild.getContainerData());
                            double newW1 = (newSplitPos / 100) * rest_weight;
                            double new_rest_weight_except_first = rest_weight - newW1;
                            long longVal1 = Math.round(newW1);
                            firstChild.setContainerData(Long.toString(longVal1));
                            //debugstr += longVal1;

                            //if the weight of remainder (except first) is not zero, then we distribute the new space appropriate weights
                            if (rest_weight_except_first > 0.0) {
                                for (int i = 1; i < restChilds.size(); i++) {
                                    MPartSashContainerElement child = restChilds.get(i);
                                    double w = parseContainerData(child.getContainerData());
                                    double newW = (w / rest_weight_except_first) * new_rest_weight_except_first;
                                    long longVal = Math.round(newW);

                                    child.setContainerData(Long.toString(longVal));
                                    //debugstr += ", " + longVal;
                                }
                            } else //otherwise we assign all new space to the last component
                            {
                                MPartSashContainerElement rest1 = restChilds.get(restChilds.size() - 1);
                                rest1.setContainerData(Long.toString(Math.round(new_rest_weight_except_first)));
                            }

                            ignoreSashWeights = false;

                            //System.out.println(debugstr);

                            //ATTENTION! Really line below is not required if code above works correctly.
                            //But if there are any wrong behaviour appear then we have wrong synchronized state
                            //that may caused side effects, so we do back syncronization (and bug if it occur become obvious).
                            //This is also zeroed weight mismatch occuring when double rounded (and possible when vaadin process changes),
                            //so we avoid mismatch accumulating. 
                            //Most likely in the future this will be deleted (when this code will be proved that all ok).
                            setWeights(sash);
                        } else
                            logger.error(
                                    "Changing SashContainer child weights is failed. User changes is not processed correctly");

                        //and last thing what we must do - tell the WorkbenchWindow to recalculate bounds of it content
                        //(because bounds of some content of workbench window changed after sash widget split position changed)
                        MWindow window = modelService.getTopLevelWindowFor(sash);
                        TrimmedWindowContent windowContent = (TrimmedWindowContent) ((Panel) window.getWidget())
                                .getContent();
                        windowContent.invalidateBounds();
                    }
                });
            } else
                logger.error(
                        "Error in  widget hierarchy detected - if sash container has more than one element its child widget must has SashWidget as a parent");
        }
    }
}

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