UI-interface-viewonly.dot

digraph uiinterface {

    node [style=filled, shape=box];

    // Views
    node [fillcolor="palegreen"];
    BrowserView;
    DownloadShelfView;
    DownloadShelfContextMenuWin;
    DownloadItemView;

    // Other annotations
    node [style=empty];
    DownloadItem [penwidth=3.0];
    DownloadItemModel [label="DownloadItemModel\n\nCancel action \nStatusText"];
    DownloadShelfContextMenu [label="DownloadShelfContextMenu\n\nEnable states\nActions"];

    // ABC
    node [style=dotted];
    BrowserWindow;
    DownloadShelf;
    BaseDownloadItemModel;

    node [style=solid];

    // Inherits from
    edge [arrowhead="vee", penwidth=2.0];
    DownloadShelfView -> DownloadShelf;
    BrowserView -> BrowserWindow;
    DownloadShelfContextMenuWin -> DownloadShelfContextMenu;
    DownloadItemModel -> BaseDownloadItemModel;
    SavePageModel -> BaseDownloadItemModel;

    // Refers to
    edge [arrowtail=odiamond, dir=back, penwidth=1.0];
    DownloadShelfContextMenu -> {DownloadItem, BaseDownloadItemModel, ui_SimpleMenuModel};
    BaseDownloadItemModel -> DownloadItem;
    DownloadShelfView -> BrowserView;
    DownloadShelfView -> DownloadItemView [label="vector"];
    DownloadItemView -> DownloadShelfView;
    DownloadItemView -> DownloadItem [label="Observes"];

    // Owns
    edge [arrowtail=diamond, dir=back];
    DownloadItemView -> BaseDownloadItemModel;
    DownloadItemView -> DownloadShelfContextMenuWin;
    BrowserView -> DownloadShelfView;

    subgraph cluster_legend {
        label="Legend";
	Views_Implementation [style=filled, fillcolor="palegreen"];
	Abstract_BaseClass [style=dotted];
	Object1;
	Object2;

	Views_Implementation -> Abstract_BaseClass [arrowhead="vee", penwidth=2.0];
	Views_Implementation -> Object1 [arrowtail=odiamond, dir=back, penwidth=1.0,label="Refers to"];
	Views_Implementation -> Object2 [arrowtail=diamond, dir=back, label="Owns"];
    };
};