DOS/V Power Report 1998 April/VPR9804B.ISO/Netscape/NETCAST.Z/ncjs10.jar/prefpane.js

Text File | 1997-09-03 | 5KB | 215 lines

/*
 * prefpane.js
 *
 * Copyright (c) 1997 Netscape Communications Corporation, All Rights Reserved
 *
 * Preference panel utilities
 */

var        defaultWebtop = 0;
var        editing = 0;
var        applet = null;
var        propID;
var        propContainer;
var        propSelector;
var        previouslySelected = 0;
var        defaultContainer = null;
var        siteList = null;
var        channelArray = null;
var        layoutLoaded = false;

function onLoad() {
    siteList = document.layers['channelList'].document.web_form;
    applet = opener.selectorWindow.titlebar.document.demo;
    propSelector = opener;
    fillOptionDialog(siteList, depth.getDefaultContainer(), applet);
}


/*
 * These methods initializes and populate the options dialog.  It loops through the data
 * model storing pointers to the items, creating the list of channels.
 */
function fillOptionDialog(form, category, applet) {
    var curOption;
    var channelArrayLength;

    channelArray = applet.getData(category);

    // prevent JavaScript from accessing a null item list
    if ( null == channelArray ) {
        channelArrayLength = 0;

        curOption = new Option("------------ none ------------");
        form.sitelist.options[0] = curOption;

    } else
        channelArrayLength = channelArray.length;

      // Lets loop through all the items storing pointers
    for (i = 0; i < channelArrayLength; i++)
    {
        // Fill in the channel selection box
        curOption = new Option(channelArray[i].getItemName());
        curOption.prototype = channelArray[i];
        form.sitelist.options[i] = curOption;

    }

    if (previouslySelected < channelArrayLength) {
        form.sitelist.selectedIndex = previouslySelected
    } else {
        // Mark the first channel as selected
        form.sitelist.selectedIndex = 0;
    }

    if (defaultContainer == null) {
        var containerName = depth.getDefaultContainer();
        defaultContainer = applet.findContainerByName(containerName);
    }

    adjustButtons();
}


function PropertiesCallback(propsWindow)
{
    propsWindow.selector  = propSelector;
    propsWindow.container = propContainer;

    if (editing == 1)
        propsWindow.editItem(propID);

    propsWindow.callback = self;

}

function EditCallback()
{
  // Fix me, I should pass in a second arg, really I should
    fillOptionDialog(siteList, propContainer, applet);
}


function adjustButtons() {
    var item = siteList.sitelist.options[siteList.sitelist.selectedIndex].prototype;
    var online = applet.isOnline();

    if (defaultContainer.getCanAddItems()) {
        enableButton("new");
    } else {
        disableButton("new");
    }

    if ((item!= null) && (item.isDeletable())) {
        enableButton("delete");
    } else {
        disableButton("delete");
    }

    if ((item!= null) && (item.getStatus() == 1)) {
        document.layers['stopupdate'].visibility="inherit";
        document.layers['update'].visibility="hide";
    } else {
        document.layers['stopupdate'].visibility="hide";
        document.layers['update'].visibility="inherit";

        if (online) {
            enableButton("update");
        } else {
            disableButton("update");
        }
    }
}

function goDown(layer) {
    layer.background.src ="images/i_btnbg.gif";
    return false;
}

function goUp(layer) {
    layer.background.src ="images/o_btnbg.gif";
    return false;
}

function disableButton(buttonName) {
    document.layers[buttonName+'_d'].visibility="inherit";
}

function enableButton(buttonName) {
    document.layers[buttonName+'_d'].visibility="hide";
}

function handleAdd()
{
    editing = 0;

    var propWin = depth.SecureWindowOpen(window, 'addc.htm',
                'prefs',
                'left=150,top=200,width=427,height=247,titlebar=yes,toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,modal=yes,alwaysRaised=yes,z-lock=no,dependent=yes,hotkeys=no');

    propWin.depth = depth;
    propContainer = depth.getDefaultContainer();
}

function handleProperties()
{
    previouslySelected = siteList.sitelist.selectedIndex;
    var item = siteList.sitelist.options[previouslySelected].prototype;

    if ( null != item )
    {
        editing = 1;
        var propWin = depth.SecureWindowOpen (window, 'addc.htm',
                'prefs',
                'left=150,top=200,width=427,height=247,titlebar=yes,toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,modal=yes,alwaysRaised=yes,z-lock=no,dependent=yes,hotkeys=no');

        propID = item;
        propWin.depth = depth;
        propContainer = depth.getDefaultContainer();
    }

}

function stopSelectedUpdate()
{
    var item = siteList.sitelist.options[siteList.sitelist.selectedIndex].prototype;

    if (null != item) {
        item.cancelUpdate();
    }
}

function deleteSelected()
{
    var item = siteList.sitelist.options[siteList.sitelist.selectedIndex].prototype;

    if (null != item) {
        item.deleteMe();

        siteList.sitelist.options.length -= 1;
        fillOptionDialog(siteList, depth.getDefaultContainer(), applet);
    }
}

function startSelectedUpdate()
{
    var item = siteList.sitelist.options[siteList.sitelist.selectedIndex].prototype;

    if ( null != item ) {
        item.update();
    }
}

function stopSelectedUpdate()
{
    var item = siteList.sitelist.options[siteList.sitelist.selectedIndex].prototype;

    if ( null != item ) {
        item.cancelUpdate();
    }
}


void(0);