Example usage for com.google.gwt.user.client.ui LayoutPanel iterator

Introduction

In this page you can find the example usage for com.google.gwt.user.client.ui LayoutPanel iterator.

Prototype

public Iterator<Widget> iterator() 

Source Link

Usage

From source file:org.gwt.mosaic.ui.client.layout.CustomGridLayout.java

License:Apache License

protected void buildWidgetMatrix(LayoutPanel layoutPanel) {
    int cursorX = 0;
    int cursorY = 0;

    widgetMatrix = new Widget[cols][rows];

    for (Iterator<Widget> iter = layoutPanel.iterator(); iter.hasNext();) {
        Widget widget = iter.next();/*from  w  w w . j a v  a2 s.  c  om*/

        syncDecoratorVisibility(widget);

        if (!DOM.isVisible(widget.getElement())) {
            continue;
        }

        visibleChildList.add(widget);

        GridLayoutData layoutData = getLayoutData(widget);

        while (widgetMatrix[cursorX][cursorY] != null) {
            if (++cursorX >= cols) {
                cursorX = 0;
                if (++cursorY >= rows) {
                    break;
                }
            }
        }

        for (int r = cursorY; r < (cursorY + layoutData.rowspan); r++) {
            if (r >= rows) {
                break;
            }
            for (int c = cursorX; c < (cursorX + layoutData.colspan); c++) {
                if (c >= cols) {
                    break;
                }
                widgetMatrix[c][r] = SPAN;
            }
        }

        widgetMatrix[cursorX][cursorY] = widget;

        cursorX += layoutData.colspan;
        if (cursorX >= cols) {
            cursorX = 0;
            if (++cursorY >= rows) {
                break;
            }
        }
    }
}

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