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Thread: How to: XML based menu system from lithinos.com

  1. #1
    Senior Member
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    Provo, Utah
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    How to: XML based menu system from lithinos.com

    I'm adding this thread as a way of answering the questions about how to 'create' a menu using XML and Flash.

    I'm not very familiar with other menu systems, so I can't help with any of the others...

    PHP Code:
    /*

    ************************
    * XML based menu
    * Richard Lyman
    * Support thread:
    *     [url]http://www.flashkit.com/board/showthread.php?threadid=416761[/url]
    ************************

        Aside from this menu, you'll need to have a symbol exported from the library.

        The symbol needs to contain:
            - A text box with the instance name: "display"
            - (optional) A 'level-change-indicator' with the instance name: "pointer"

        The symbol needs to be exported under the name:
            - "option"

        Optional:
            - A 'breadcrumbs' named instance of a text box
            - A 'mainDisplay' named instance of a text box
            - A 'scroller' named instance of the scrollbar component

    */
    _root.mainDisplay.html=true;
    _root.breadcrumbs.html=true;
    _root.breadcrumbBasket = new Array();
    _root.maxX=10;
    _root.maxY=380;
    _root.scroller.onEnterFrame=function(){
        
    _root.mainDisplay.maxscroll>this._visible=this._visible=0;
    }
    _root.createEmptyMovieClip("menuReset"7000);
    _root.menuReset.onEnterFrame=function(){
        if(!
    _root.navigatingMenu){
            
    _root.counter++;
            if(
    _root.counter>15){
                
    hideOtherSubMenus("main"10);
                
    _root.counter=0;
            }
        }
    }
    myXML = new XML();
    myXML.onLoad=function (status){ status parseXML() : _root.output.text="XML parsing failed"};
    myXML.load("site.xml");
    function 
    parseXML (){
        
    _root.setupMenu(_root.myXML, -900"none");
        
    _root.populateDisplay("main");
    }
    function 
    hideOtherSubMenus(pIDxPos){
        if(
    pID=="main"_root.main.pointer._visible=0;
        for(
    i in _root){
            if((
    _root[i].parentID == pID) && (_root[i]._x == xPos)){
                
    _root[i].pointer._visible=0;
            }else if((
    _root[i].parentID != pID) && (_root[i]._x xPos)){
                
    _root[i].removeMovieClip();
            }
        }
    }
    function 
    addBreadcrumb(link){
        var 
    bcID _root.myXML[link].attributes['id'];
        var 
    bcText _root.myXML[link].attributes['displayText'];
        if(
    bcText==undefinedbcText=bcID;
        
    _root.breadcrumbBasket.push(bcID+"|"+bcText);
        if(
    _root.breadcrumbBasket.length>7_root.breadcrumbBasket.splice(01);
        
    totalLink="";
        for(
    i in _root.breadcrumbBasket){
            var 
    startLink "<a href='asfunction:populateDisplay,";
            
    bcID _root.breadcrumbBasket[i].split("|")[0];
            
    bcText _root.breadcrumbBasket[i].split("|")[1];
            
    totalLink startLink bcID "'>"+bcText+"</a>" +"&nbsp;|&nbsp;"totalLink;;
        }
        
    _root.breadcrumbs.htmlText="";
        
    _root.breadcrumbs.htmlText=totalLink;
    }
    function 
    removeBreadcrumb(link){
        
    crumbLimit=_root.breadcrumbBasket.length;
        while(
    crumbLimit--){
            if(
    _root.breadcrumbBasket[crumbLimit].split("|")[0]==_root.myXML[link].attributes['id']){
                
    _root.breadcrumbBasket.splice(crumbLimit1);
            }
        }
    }
    function 
    navigate(linkoriginName){
        
    _root.yPos=0;
        
    _root[link].pointer._visible=1;
        
    _root.setupMenu(_root.myXML[link], _root[link]._x_root[link]._y-20originName);
    }
    function 
    populateDisplay(selectedID){
        
    _root.removeBreadcrumb(selectedID);
        
    _root.mainDisplay.htmlText=_root.myXML[selectedID].childNodes[1].firstChild.nodeValue;
        
    _root.addBreadcrumb(selectedID);
    }
    function 
    createOption(displayTextchoiceIDpreviousOptionstartXstartY){
        
    _root.next++;
        var 
    choiceID;
        
    attachMovie("option"n_root.next);
        
    _root[n].pointer._visible=0;
        
    _root[n].display.text=displayText;
        
    _root[n].parentID=previousOption;
        
    _root[n].optionButton.onRollOver=function(){
            
    _root.navigatingMenu=true;
            
    _root.counter=0;
            
    hideOtherSubMenus(previousOption_root[n]._x);
            
    _root.navigate(choiceIDthis._parent._name);
            
    _root.showHint(choiceIDthis._parent._xthis._parent._y);
        }
        
    _root[n].optionButton.onRollOut=function(){
            
    _root.navigatingMenu=false;
        }
        
    _root[n].optionButton.onRelease=function(){
            
    populateDisplay(choiceID);
            
    hideOtherSubMenus("main"10);
            
    _root.navigatingMenu=false;
        }
        
    _root[n]._x=startX+95;
        
    _root[n]._y=startY+20;
        
    _root.maxX=(_root[n]._x+110 _root.maxX) ? _root[n]._x+90 _root.maxX;
        
    _root.maxY=(_root[n]._y-40 _root.maxY) ? _root[n]._y-20 _root.maxY;
        if(
    _root[n]._y<=20) {
             
    _root.total++;
            
    _root[n]._y+=_root.total*20;
            for(
    i in _root){
                if(
    _root[i].parentID == previousOption && _root[i] != _root[n]){
                    if(
    _root[i]._name!="breadcrumbs"){
                        
    _root[i]._y+=20;
                    }
                }
            }
        }
    }
    function 
    setupMenu(topNodestartXstartYoriginName){
        
    _root.foundOption=false;
        for(
    i in topNode.childNodes){
            if(
    topNode.childNodes[i].nodeName=="option"){
                var 
    choiceID topNode.childNodes[i].attributes['id'];
                var 
    displayText topNode.childNodes[i].attributes['displayText'];
                if(
    displayText==undefineddisplayText=choiceID;
                var 
    previousOption _root.myXML[choiceID].parentNode.attributes['displayText'];
                var 
    previousID _root.myXML[choiceID].parentNode.attributes['id'];
                if(
    previousOption==undefinedpreviousOption=previousID;            
                
    createOption(displayTextchoiceIDpreviousOptionstartXstartY);
                
    startY-=20;
                
    _root.foundOption=true;
            }
        }
        if(!
    _root.foundOption){
            
    _root[originName].pointer._rotation=180;
        }
        
    _root.total=0;

    If you have questions on how to use this - ask me here...
    Richard Lyman
    rich at lithinos.com
    www.lithinos.com

  2. #2
    Senior Member
    Join Date
    Feb 2001
    Location
    Provo, Utah
    Posts
    1,112
    Here's an example of the XML you'd use with that menu system:
    PHP Code:
    <?xml version="1.0" encoding="UTF-8"?>
    <!DOCTYPE option
    [
        <!ELEMENT content (#PCDATA)>
        <!ELEMENT option (content, option*)>
        <!ATTLIST option
            id CDATA #REQUIRED
            displayText CDATA #IMPLIED
        >
    ]>
    <option id="main_this_has_to_be_unique" displayText="NAVIGATION">
        <content>Here is the first thing users can see...</content>
        <option id="ruby_this_has_to_be_unique" displayText="ruby">
            <content>This section would be abut Ruby</content>
            <option id="subMenu_this_has_to_be_unique" display="ruby sub menu">
                <content></content>
            </option>
        </option>
        <option id="ocaml_this_has_to_be_unique" displayText="ocaml">
            <content>If you had a lot to say...

    ... and you wanted each line to be on it's own...

    ... then you could just add it to the XML...
            </content>
        </option>
        <option id="udfug_this_has_to_be_unique" displayText="U.D.F.U.G.">
            <content><![CDATA[Since this section is inside a CDATA tag, it can have a link to <a href="udfug.org">udfug.org</a>]]></content>
        </option>
        <option id="myServers_this_has_to_be_unique" displayText="myServers">
            <content><![CDATA[CDATA tags can even allow you to call functions defined in your SWF... say to display the <a href="asfunction:populateDisplay,main_this_has_to_be_unique">the top</a> of this menu]]></content>
        </option>
    </option>
    Richard Lyman
    rich at lithinos.com
    www.lithinos.com

  3. #3
    Senior Member
    Join Date
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    Location
    Provo, Utah
    Posts
    1,112
    Here's a version of the menu that auto expands each submenu to the length of the longest displayText

    PHP Code:
    _root.mainDisplay.html=true;
    _root.breadcrumbs.html=true;
    _root.breadcrumbBasket = new Array();
    _root.maxX=10;
    _root.maxY=380;
    _root.scroller.onEnterFrame=function(){
        
    _root.mainDisplay.maxscroll>this._visible=this._visible=0;
    }
    _root.createEmptyMovieClip("menuReset"7000);
    _root.menuReset.onEnterFrame=function(){
        if(!
    _root.navigatingMenu){
            
    _root.counter++;
            if(
    _root.counter>15){
                
    hideOtherSubMenus("main"10);
                
    _root.counter=0;
            }
        }
    }
    myXML = new XML();
    myXML.onLoad=function (status){ status parseXML() : _root.output.text="XML parsing failed"};
    myXML.load("site.xml");
    function 
    parseXML (){
        
    _root.setupMenu(_root.myXML00"none");
        
    _root.populateDisplay("main");
    }
    function 
    hideOtherSubMenus(pIDxPos){
        if(
    pID=="main"_root.main.pointer._visible=0;
        for(
    i in _root){
            if((
    _root[i].parentID == pID) && (_root[i]._x == xPos)){
                
    _root[i].pointer._visible=0;
            }else if((
    _root[i].parentID != pID) && (_root[i]._x xPos)){
                
    _root[i].removeMovieClip();
            }
        }
    }
    function 
    addBreadcrumb(link){
        var 
    bcID _root.myXML[link].attributes['id'];
        var 
    bcText _root.myXML[link].attributes['displayText'];
        if(
    bcText==undefinedbcText=bcID;
        
    _root.breadcrumbBasket.push(bcID+"|"+bcText);
        if(
    _root.breadcrumbBasket.length>7_root.breadcrumbBasket.splice(01);
        
    totalLink="";
        for(
    i in _root.breadcrumbBasket){
            var 
    startLink "<a href='asfunction:populateDisplay,";
            
    bcID _root.breadcrumbBasket[i].split("|")[0];
            
    bcText _root.breadcrumbBasket[i].split("|")[1];
            
    totalLink startLink bcID "'>"+bcText+"</a>" +"&nbsp;|&nbsp;"totalLink;;
        }
        
    _root.breadcrumbs.htmlText="";
        
    _root.breadcrumbs.htmlText=totalLink;
    }
    function 
    removeBreadcrumb(link){
        
    crumbLimit=_root.breadcrumbBasket.length;
        while(
    crumbLimit--){
            if(
    _root.breadcrumbBasket[crumbLimit].split("|")[0]==_root.myXML[link].attributes['id']){
                
    _root.breadcrumbBasket.splice(crumbLimit1);
            }
        }
    }
    function 
    navigate(linkoriginName){
        
    _root.yPos=0;
        
    _root[link].pointer._visible=1;
        
    _root.setupMenu(_root.myXML[link], (_root[link]._x+_root[link]._width), _root[link]._y-20originName);
    }
    function 
    populateDisplay(selectedID){
        
    _root.removeBreadcrumb(selectedID);
        
    _root.mainDisplay.htmlText=_root.myXML[selectedID].childNodes[1].firstChild.nodeValue;
        
    _root.addBreadcrumb(selectedID);
    }
    function 
    createOption(displayTextchoiceIDpreviousOptionstartXstartYmaxSizeOfSet){
        
    _root.next++;
        var 
    choiceID;
        
    attachMovie("option"n_root.next);
        
    _root[n].pointer._visible=0;
        
    _root[n].display.autoSize="left";
        
    _root[n].display.text=displayText;
        
    _root[n].optionButton._width=maxSizeOfSet+8;
        
    _root[n].pointer._x=_root[n].optionButton._width+2.5+(_root[n].pointer._width/2);
        
    _root[n].parentID=previousOption;
        
    _root[n].optionButton.onRollOver=function(){
            
    _root.navigatingMenu=true;
            
    _root.counter=0;
            
    hideOtherSubMenus(previousOption_root[n]._x);
            
    _root.navigate(choiceIDthis._parent._name);
            
    _root.showHint(choiceIDthis._parent._xthis._parent._y);
        }
        
    _root[n].optionButton.onRollOut=function(){
            
    _root.navigatingMenu=false;
        }
        
    _root[n].optionButton.onRelease=function(){
            
    populateDisplay(choiceID);
            
    hideOtherSubMenus("main"10);
            
    _root.navigatingMenu=false;
        }
        
    _root[n]._x=startX;
        
    _root[n]._y=startY+20;
        
    _root.maxX=(_root[n]._x+110 _root.maxX) ? _root[n]._x+90 _root.maxX;
        
    _root.maxY=(_root[n]._y-40 _root.maxY) ? _root[n]._y-20 _root.maxY;
        if(
    _root[n]._y<=20) {
             
    _root.total++;
            
    _root[n]._y+=_root.total*20;
            for(
    i in _root){
                if(
    _root[i].parentID == previousOption && _root[i] != _root[n]){
                    if(
    _root[i]._name!="breadcrumbs"){
                        
    _root[i]._y+=20;
                    }
                }
            }
        }
    }
    function 
    setupMenu(topNodestartXstartYoriginName){
        
    _root.textFieldWidth=0;
        
    maxSizeOfSet=0;
        for(
    i in topNode.childNodes){
            if(
    topNode.childNodes[i].nodeName=="option"){
                var 
    testText=topNode.childNodes[i].attributes['displayText'];
                if(
    testText==undefinedtestText=topNode.childNodes[i].attributes['id'];
                
    _root.attachMovie("option""test"23456);
                
    _root.test.display.autoSize="left";
                
    _root.test.display.text=testText;
                
    _root.test._x=0;
                
    _root.test._y=-50;
                if (
    _root.textFieldWidth _root.test.display.textWidth){
                    
    _root.textFieldWidth=_root.test.display.textWidth;
                }
            }
        }
        
    maxSizeOfSet=_root.textFieldWidth;
        
    _root.foundOption=false;
        for(
    i in topNode.childNodes){
            if(
    topNode.childNodes[i].nodeName=="option"){
                var 
    choiceID topNode.childNodes[i].attributes['id'];
                var 
    displayText topNode.childNodes[i].attributes['displayText'];
                if(
    displayText==undefineddisplayText=choiceID;
                var 
    previousOption _root.myXML[choiceID].parentNode.attributes['displayText'];
                var 
    previousID _root.myXML[choiceID].parentNode.attributes['id'];
                if(
    previousOption==undefinedpreviousOption=previousID;            
                
    createOption(displayTextchoiceIDpreviousOptionstartXstartYmaxSizeOfSet);
                
    startY-=20;
                
    _root.foundOption=true;
            }
        }
        if(!
    _root.foundOption){
            
    _root[originName].pointer._rotation=180;
        }
        
    _root.total=0;

    Richard Lyman
    rich at lithinos.com
    www.lithinos.com

  4. #4
    Senior Member
    Join Date
    Feb 2001
    Location
    Provo, Utah
    Posts
    1,112
    I forgot to mention, if you want the expanding menu to work with a specific font.. you need to 'embed fonts' in the symbol 'option's text field 'display'

    ... you'll probably also want to shrink the contents of the 'option' symbol so that they can expand to where they should be.. since they aren't made to 'shrink' to where they should be...
    Richard Lyman
    rich at lithinos.com
    www.lithinos.com

  5. #5
    Senior Member mzhang's Avatar
    Join Date
    Aug 2000
    Posts
    407
    VAYKENT,

    this looks nice. It must take long time to finish

    Is it possible has XML file and FLA zipped? So, i can download it and lean it...

    BTW, I don't use PHP to support the XML.

    Cheers

  6. #6
    Senior Member
    Join Date
    Feb 2001
    Location
    Provo, Utah
    Posts
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    I don't have a zipped version... but you can just cut-n-paste the code and XML I've placed in this thread.
    Richard Lyman
    rich at lithinos.com
    www.lithinos.com

  7. #7
    Not PWD ViRGo_RK's Avatar
    Join Date
    May 2001
    Posts
    1,799
    Hey, mind putting up a example?

    And I'm glad to see you took my advice on the sticky thread.


    PAlexC: That's just Chuck Norris's way of saying sometimes corn needs to lay the heck down.
    Gerbick: America. Stabbing suckers since Vespucci left.

  8. #8
    Senior Member
    Join Date
    Feb 2001
    Location
    Provo, Utah
    Posts
    1,112
    When you say putting up an example... since Code etc. is already here... you mean a working example of what the code does?

    I've attached a Zip file of a FLA, SWF, and XML.

    The code I posted probably won't match the code in the FLA...
    Attached Files Attached Files
    Richard Lyman
    rich at lithinos.com
    www.lithinos.com

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