scriptresource.axd

用C#实现的一个P2P音视频会议系统

var __rootMenuItem;
var __menuInterval;
var __scrollPanel;
var __disappearAfter = 500;
function Menu_ClearInterval() {
    if (__menuInterval) {
        window.clearInterval(__menuInterval);
    }
}
function Menu_Collapse(item) {
    Menu_SetRoot(item);
    if (__rootMenuItem) {
        Menu_ClearInterval();
        if (__disappearAfter >= 0) {
            __menuInterval = window.setInterval("Menu_HideItems()", __disappearAfter);
        }
    }
}
function Menu_Expand(item, horizontalOffset, verticalOffset, hideScrollers) {
    Menu_ClearInterval();
    var tr = item.parentNode.parentNode.parentNode.parentNode.parentNode;
    var horizontal = true;
    if (!tr.id) {
        horizontal = false;
        tr = tr.parentNode;
    }
    var child = Menu_FindSubMenu(item);
    if (child) {
        var data = Menu_GetData(item);
        if (!data) {
            return null;
        }
        child.rel = tr.id;
        child.x = horizontalOffset;
        child.y = verticalOffset;
        if (horizontal) child.pos = "bottom";
        PopOut_Show(child.id, hideScrollers, data);
    }
    Menu_SetRoot(item);
    if (child) {
        if (!document.body.__oldOnClick && document.body.onclick) {
            document.body.__oldOnClick = document.body.onclick;
        }
        if (__rootMenuItem) {
            document.body.onclick = Menu_HideItems;
        }
    }
    Menu_ResetSiblings(tr);
    return child;
}
function Menu_FindMenu(item) {
    if (item && item.menu) return item.menu;
    var tr = item.parentNode.parentNode.parentNode.parentNode.parentNode;
    if (!tr.id) {
        tr = tr.parentNode;
    }
    for (var i = tr.id.length - 1; i >= 0; i--) {
        if (tr.id.charAt(i) < '0' || tr.id.charAt(i) > '9') {
            var menu = WebForm_GetElementById(tr.id.substr(0, i));
            if (menu) {
                item.menu = menu;
                return menu;
            }
        }
    }
    return null;
}
function Menu_FindNext(item) {
    var a = WebForm_GetElementByTagName(item, "A");
    var parent = Menu_FindParentContainer(item);
    var first = null;
    if (parent) {
        var links = WebForm_GetElementsByTagName(parent, "A");
        var match = false;
        for (var i = 0; i < links.length; i++) {
            var link = links[i];
            if (Menu_IsSelectable(link)) {
                if (Menu_FindParentContainer(link) == parent) {
                    if (match) {
                        return link;
                    }
                    else if (!first) {
                        first = link;
                    }
                }
                if (!match && link == a) {
                    match = true;
                }
            }
        }
    }
    return first;
}
function Menu_FindParentContainer(item) {
    if (item.menu_ParentContainerCache) return item.menu_ParentContainerCache;
    var a = (item.tagName.toLowerCase() == "a") ? item : WebForm_GetElementByTagName(item, "A");
    var menu = Menu_FindMenu(a);
    if (menu) {
        var parent = item;
        while (parent && parent.tagName &&
            parent.id != menu.id &&
            parent.tagName.toLowerCase() != "div") {
            parent = parent.parentNode;
        }
        item.menu_ParentContainerCache = parent;
        return parent;
    }
}
function Menu_FindParentItem(item) {
    var parentContainer = Menu_FindParentContainer(item);
    var parentContainerID = parentContainer.id;
    var len = parentContainerID.length;
    if (parentContainerID && parentContainerID.substr(len - 5) == "Items") {
        var parentItemID = parentContainerID.substr(0, len - 5);
        return WebForm_GetElementById(parentItemID);
    }
    return null;
}
function Menu_FindPrevious(item) {
    var a = WebForm_GetElementByTagName(item, "A");
    var parent = Menu_FindParentContainer(item);
    var last = null;
    if (parent) {
        var links = WebForm_GetElementsByTagName(parent, "A");
        for (var i = 0; i < links.length; i++) {
            var link = links[i];
            if (Menu_IsSelectable(link)) {
                if (link == a && last) {
                    return last;
                }
                if (Menu_FindParentContainer(link) == parent) {
                    last = link;
                }
            }
        }
    }
    return last;
}
function Menu_FindSubMenu(item) {
    var tr = item.parentNode.parentNode.parentNode.parentNode.parentNode;
    if (!tr.id) {
        tr=tr.parentNode;
    }
    return WebForm_GetElementById(tr.id + "Items");
}
function Menu_Focus(item) {
    if (item && item.focus) {
        var pos = WebForm_GetElementPosition(item);
        var parentContainer = Menu_FindParentContainer(item);
        if (!parentContainer.offset) {
            parentContainer.offset = 0;
        }
        var posParent = WebForm_GetElementPosition(parentContainer);
        var delta;
        if (pos.y + pos.height > posParent.y + parentContainer.offset + parentContainer.clippedHeight) {
            delta = pos.y + pos.height - posParent.y - parentContainer.offset - parentContainer.clippedHeight;
            PopOut_Scroll(parentContainer, delta);
        }
        else if (pos.y < posParent.y + parentContainer.offset) {
            delta = posParent.y + parentContainer.offset - pos.y;
            PopOut_Scroll(parentContainer, -delta);
        }
        PopOut_HideScrollers(parentContainer);
        item.focus();
    }
}
function Menu_GetData(item) {
    if (!item.data) {
        var a = (item.tagName.toLowerCase() == "a" ? item : WebForm_GetElementByTagName(item, "a"));
        var menu = Menu_FindMenu(a);
        try {
            item.data = eval(menu.id + "_Data");
        }
        catch(e) {}
    }
    return item.data;
}
function Menu_HideItems(items) {
    if (document.body.__oldOnClick) {
        document.body.onclick = document.body.__oldOnClick;
        document.body.__oldOnClick = null;
    }
    Menu_ClearInterval();
    if (!items || ((typeof(items.tagName) == "undefined") && (items instanceof Event))) {
        items = __rootMenuItem;
    }
    var table = items;
    if ((typeof(table) == "undefined") || (table == null) || !table.tagName || (table.tagName.toLowerCase() != "table")) {
        table = WebForm_GetElementByTagName(table, "TABLE");
    }
    if ((typeof(table) == "undefined") || (table == null) || !table.tagName || (table.tagName.toLowerCase() != "table")) {
        return;
    }
    var rows = table.rows ? table.rows : table.firstChild.rows;
    var isVertical = false;
    for (var r = 0; r < rows.length; r++) {
        if (rows[r].id) {
            isVertical = true;
            break;
        }
    }
    var i, child, nextLevel;
    if (isVertical) {
        for(i = 0; i < rows.length; i++) {
            if (rows[i].id) {
                child = WebForm_GetElementById(rows[i].id + "Items");
                if (child) {
                    Menu_HideItems(child);
                }
            }
            else if (rows[i].cells[0]) {
                nextLevel = WebForm_GetElementByTagName(rows[i].cells[0], "TABLE");
                if (nextLevel) {
                    Menu_HideItems(nextLevel);
                }
            }
        }
    }
    else if (rows[0]) {
        for(i = 0; i < rows[0].cells.length; i++) {
            if (rows[0].cells[i].id) {
                child = WebForm_GetElementById(rows[0].cells[i].id + "Items");
                if (child) {
                    Menu_HideItems(child);
                }
            }
            else {
                nextLevel = WebForm_GetElementByTagName(rows[0].cells[i], "TABLE");
                if (nextLevel) {
                    Menu_HideItems(rows[0].cells[i].firstChild);
                }
            }
        }
    }
    if (items && items.id) {
        PopOut_Hide(items.id);
    }
}
function Menu_HoverDisabled(item) {
    var node = (item.tagName.toLowerCase() == "td") ?
        item:
        item.cells[0];
    var data = Menu_GetData(item);
    if (!data) return;
    node = WebForm_GetElementByTagName(node, "table").rows[0].cells[0].childNodes[0];
    if (data.disappearAfter >= 200) {
        __disappearAfter = data.disappearAfter;
    }
    Menu_Expand(node, data.horizontalOffset, data.verticalOffset); 
}
function Menu_HoverDynamic(item) {
    var node = (item.tagName.toLowerCase() == "td") ?
        item:
        item.cells[0];
    var data = Menu_GetData(item);
    if (!data) return;
    var nodeTable = WebForm_GetElementByTagName(node, "table");
    if (data.hoverClass) {
        nodeTable.hoverClass = data.hoverClass;
        WebForm_AppendToClassName(nodeTable, data.hoverClass);
    }
    node = nodeTable.rows[0].cells[0].childNodes[0];
    if (data.hoverHyperLinkClass) {
        node.hoverHyperLinkClass = data.hoverHyperLinkClass;
        WebForm_AppendToClassName(node, data.hoverHyperLinkClass);
    }
    if (data.disappearAfter >= 200) {
        __disappearAfter = data.disappearAfter;
    }
    Menu_Expand(node, data.horizontalOffset, data.verticalOffset); 
}
function Menu_HoverRoot(item) {
    var node = (item.tagName.toLowerCase() == "td") ?
        item:
        item.cells[0];
    var data = Menu_GetData(item);
    if (!data) {
        return null;
    }
    var nodeTable = WebForm_GetElementByTagName(node, "table");
    if (data.staticHoverClass) {
        nodeTable.hoverClass = data.staticHoverClass;
        WebForm_AppendToClassName(nodeTable, data.staticHoverClass);
    }
    node = nodeTable.rows[0].cells[0].childNodes[0];
    if (data.staticHoverHyperLinkClass) {
        node.hoverHyperLinkClass = data.staticHoverHyperLinkClass;
        WebForm_AppendToClassName(node, data.staticHoverHyperLinkClass);
    }
    return node;
}
function Menu_HoverStatic(item) {
    var node = Menu_HoverRoot(item);
    var data = Menu_GetData(item);
    if (!data) return;
    __disappearAfter = data.disappearAfter;
    Menu_Expand(node, data.horizontalOffset, data.verticalOffset); 
}
function Menu_IsHorizontal(item) {
    if (item) {