Dialog Control v1.8

<lsl> // ********** SIMPLE DIALOG MODULE ********** // // By Nargus Asturias // Version 1.58 // // Support only one dialog at a time. DO NOT request multiple dialog at once! // Use of provided functions are recommented. Instruction here are for hardcore programmers only! // // Request: Send MessageLinked to the script. There are 3 dialog modes: // lnkDialog  : Normal dialog with message and buttons // lnkDialogNumericAdjust  : A dialog with buttons can be used to adjust numeric value // lnkDialogNotify  : Just a simple notification dialog. No return value and no buttons. // // Send MessageLinked with code lnkDialogReshow to force active dialog to reappear. // Send MessageLinked with code lnkDialogCancel to force cancel active dialog // // If a lnkDialog is requested with more than 12 buttons, multi-pages dialog is used to show the buttons. // // [ For lnkDialog ] // MessageLinked Format: // String part: List dumped into string, each entry seperated by '||' // Field 1: Dialog message (512 bytes maximum) // Field 2: Time-out data (integer) // Field 3-4: Button#1 and return value pair // Field 5-6: Button#2 and return value pair // And go on... // Key part: Key of AV who attend this dialog // // Response: MessageLinked to the prim that requested dialog (but no where else) // num == lnkDialogResponse: AV click on a button. The buttons value returned as a string // num == lnkDialogTimeOut: Dialog timeout. // // [ For lnkDialogNumericAdjust ] // MessageLinked Format: // String part: List dumped into string, each entry seperated by '||' // Field 1: Dialog message (512 bytes maximum) // Put {VALUE} where you want the current value to be displayed) // Field 2: Time-out data (integer) // Field 3: Most significant value (ie. 100, for +/-100) // Field 4: String-casted numeric value to be adjusted // Field 5: 2nd most significant value (ie. 10, for +/-10) // Field 6: Use '1' to enable "+/-" button, '0' otherwise. // Field 7: 3nd significant value (ie. 1, for +/-1) // Field 8: Use '1' for integer, or '0' for float // Field 9: Least significant value (ie. 0.1, for +/-0.1) // Field 10: Reserved. Not used. // Key part: Key of AV who attend this dialog // // Response: MessageLinked to the prim that requested dialog (but no where else) // num == lnkDialogResponse: OK or Cancel button is clicked. The final value returned as string. // num == lnkDialogTimeOut: Dialog timeout. // // ******************************************* //

// Constants integer lnkDialog = 14001; integer lnkDialogNumericAdjust = 14005; integer lnkDialogNotify = 14004;

integer lnkDialogReshow = 14011; integer lnkDialogCancel = 14012;

integer lnkDialogResponse = 14002; // A button is hit, or OK is hit for lnkDialogNumericAdjust integer lnkDialogCanceled = 14006; // Cancel is hit for lnkDialogNumericAdjust integer lnkDialogTimeOut = 14003; // No button is hit, or Ignore is hit

integer lnkMenuClear = 15001; integer lnkMenuAdd = 15002; integer lnkMenuShow = 15003; integer lnkMenuNotFound = 15010;

string seperator = "||";

// Menus variables list menuNames = []; // List of names of all menus list menus = []; // List of packed menus command, in order of menuNames

integer lastMenuIndex = 0; // Latest called menu's index

// Dialog variables integer dialogChannel; // Channel number used to spawn this dialog string message; // Message to be shown with the dialog integer timerOut; // Dialog time-out key keyId; // Key of user who attending this dialog integer requestedNum; // Link-number of the requested prim list buttons; // List of dialog buttons list returns; // List of results from dialog buttons

float numericValue; integer useInteger;

// Other variables integer buttonsCount; integer startItemNo; integer listenId;

string redirectState;

integer responseInt = -1; string responseStr; key responseKey;

// ********** String Functions ********** string replaceString(string pattern, string replace, string source){

   integer index = llSubStringIndex(source, pattern);
   if(index < 0) return source;
   
   source = llDeleteSubString(source, index, (index + llStringLength(pattern) - 1));
   return llInsertString(source, index, replace);

}

// ********** Dialog Functions ********** // Function: createDialog // Create dialog with given message and buttons, direct to user with give id integer createDialog(key id, string message, list buttons){

   integer channel = -((integer)llFrand(8388608))*(255) - (integer)llFrand(8388608) - 11;

   llListenRemove(listenId);
   listenId = llListen(channel, "", keyId, "");
   llDialog(keyId, message, buttons, channel);

   return channel;

}

// Function: createMultiDialog // Create dialog with multiple pages. Each page has Back, Next, and a Close button. Otherwise same functionality as createDialog() function. integer createMultiDialog(key id, string message, list buttons, integer _startItemNo){

   integer channel = -llRound(llFrand( llFabs(llSin(llGetGMTclock())) * 1000000 )) - 11;

   if(_startItemNo < 0) _startItemNo = 0;
   if(_startItemNo >= buttonsCount - 1) _startItemNo -= 9;
   startItemNo = _startItemNo;
   
   integer vButtonsCount = buttonsCount - 2;
   
   // Generate list of buttons to be shown
   string closeButton = llList2String(buttons, buttonsCount - 1);
   
   integer stopItemNo = startItemNo + 8;
   if(stopItemNo >= buttonsCount - 1) stopItemNo = vButtonsCount;

   list thisButtons = llList2List(buttons, startItemNo, stopItemNo);

   // Generate dialog navigation buttons
   integer i = stopItemNo - startItemNo + 1;
   i = i % 3;
   if(i > 0) while(i < 3){
       thisButtons += [" "];
       ++i;
   }
   
   if(startItemNo > 0)
       thisButtons += ["<< BACK"];
   else thisButtons += [" "];
   
   thisButtons += [closeButton];
   
   if(stopItemNo < vButtonsCount)
       thisButtons += ["NEXT >>"];
   else thisButtons += [" "];
   
   // Append page number to the message
   integer pageNumber = (integer)(stopItemNo / 9) + 1;
   integer pagesCount = llCeil(vButtonsCount / 9.0);
   string vMessage = "PAGE: " + (string)pageNumber + " of " + (string)pagesCount + "\n" +
       message;

   // Display dialog
   llListenRemove(listenId);
   listenId = llListen(channel, "", keyId, "");
   llDialog(keyId, vMessage, thisButtons, channel);

   return channel;

}

// Function: generateNumericAdjustButtons // Generate numeric adjustment dialog which adjustment values are in given list. // If useNegative is TRUE, "+/-" button will be available. list generateNumericAdjustButtons(list adjustValues, integer useNegative){

   list dialogControlButtons;
   list positiveButtons;
   list negativeButtons;
   list additionButtons;

   dialogControlButtons = ["OK", "Cancel"];

   // Config adjustment buttons
   integer count = llGetListLength(adjustValues);
   integer index;
   for(index = 0; (index < count) && (index < 3); index++){
       string sValue = llList2String(adjustValues, index);

       if((float)sValue != 0){
           positiveButtons += ["+" + sValue];
           negativeButtons += ["-" + sValue];
       }
   }

   // Check positive/negative button
   if(useNegative)
       additionButtons = ["+/-"];
   else additionButtons = [];

   // If there is fourth adjustment button
   if(count > 3){
       if(llGetListLength(additionButtons) == 0) additionButtons = [" "];

       string sValue = llList2String(adjustValues, index);
       additionButtons += ["+" + sValue, "-" + sValue];
   }else if(additionButtons != []) additionButtons += [" ", " "];
   
   // Return list dialog buttons
   return additionButtons + negativeButtons + positiveButtons + dialogControlButtons;

}

setResponse(integer int, string str, key id){

   responseInt = int;
   responseStr = str;
   responseKey = id;

}

checkDialogRequest(integer sender_num, integer num, string str, key id){

    if((num == lnkDialogNotify) || (num == lnkDialogNumericAdjust) || (num == lnkDialog)){
       list data = llParseStringKeepNulls(str, [seperator], []);
   
       message = llList2String(data, 0);
       timerOut = llList2Integer(data, 1);
       keyId = id;
       requestedNum = sender_num;
       buttons = [];
       returns = [];
   
       if(message == "") message = " ";
       if(timerOut > 7200) timerOut = 7200;
   
       integer i;
       integer count = llGetListLength(data);
       for(i=2; i<count;){
           buttons += [llList2String(data, i++)];
           returns += [llList2String(data, i++)];
       }
       
       buttonsCount = llGetListLength(buttons);
   
       if(num == lnkDialogNotify){
           dialogChannel = -((integer)llFrand(8388608))*(255) - (integer)llFrand(8388608) - 11;
           llDialog(keyId, message, buttons, dialogChannel);
           return;
       }else if(num == lnkDialogNumericAdjust)
           redirectState = "NumericAdjustDialog";
       else if(num == lnkDialog){
           if(buttonsCount > 12)
               redirectState = "MultiDialog";
           else redirectState = "Dialog";
       }
       
       if(TRUE) state StartDialog;
   }else checkMenuRequest(sender_num, num, str, id);

}

// ********** Menu Functions ********** clearMenusList(){

   menuNames = [];
   menus = [];

   lastMenuIndex = 0;

}

addMenu(string name, string message, list buttons, list returns){

   // Reduced menu request time by packing request commands
   string packed_message = message + seperator + "0";
   
   integer i;
   integer count = llGetListLength(buttons);
   for(i=0; i<count; i++) packed_message += seperator + llList2String(buttons, i) + seperator + llList2String(returns, i);

   // Add menu to the menus list
   integer index = llListFindList(menuNames, [name]);
   if(index >= 0)
       menus = llListReplaceList(menus, [packed_message], index, index);
   else{
       menuNames += [name];
       menus += [packed_message];
   }

}

integer showMenu(string name, key id){

   if(llGetListLength(menuNames) <= 0) return FALSE;
  
   integer index;
   if(name != ""){
       index = llListFindList(menuNames, [name]);
       if(index < 0) return FALSE;
   }else index = lastMenuIndex;
   
   lastMenuIndex = index;
   
   // Load menu command and execute
   string packed_message = llList2String(menus, index);    
   llMessageLinked(LINK_THIS, lnkDialog, packed_message, id);
   return TRUE;

}

checkMenuRequest(integer sender_num, integer num, string str, key id){

   // Menu response commands
   if(num == lnkDialogResponse){
       if(llGetSubString(str, 0, 4) == "MENU_"){
           str = llDeleteSubString(str, 0, 4);
           showMenu(str, id);
       }
   }
       
   // Menu management commands
   else if(num == lnkMenuClear)
       clearMenusList();
   else if(num == lnkMenuAdd){
       list data = llParseString2List(str, [seperator], []);

       string message = llList2String(data, 0);
       list buttons = [];
       list returns = [];

       integer i;
       integer count = llGetListLength(data);
       for(i=2; i<count;){
           buttons += [llList2String(data, i++)];
           returns += [llList2String(data, i++)];
       }

       addMenu((string)id, message, buttons, returns);

   }else if(num == lnkMenuShow){
       if(!showMenu(str, id)) llMessageLinked(sender_num, lnkMenuNotFound, str, NULL_KEY);
   }

}

// ********** States ********** default{

   state_entry(){
       if(responseInt > 0) llMessageLinked(requestedNum, responseInt, responseStr, responseKey);
   }
   
   link_message(integer sender_num, integer num, string str, key id){
       checkDialogRequest(sender_num, num, str, id);
   }

}

state StartDialog{

   state_entry(){
       if(redirectState == "Dialog")                   state Dialog;
       else if(redirectState == "MultiDialog")         state MultiDialog;
       else if(redirectState == "NumericAdjustDialog") state NumericAdjustDialog;
       else state default;
   }

}

state Dialog{

   state_entry(){
       responseInt = -1;
       dialogChannel = createDialog(keyId, message, buttons);
       llSetTimerEvent(timerOut);
   }
   
   state_exit(){
       llSetTimerEvent(0);
   }
   
   on_rez(integer start_param){
       state default;
   }
   
   timer(){
       setResponse(lnkDialogTimeOut, "", keyId);
       state default;
   }
   
   link_message(integer sender_num, integer num, string str, key id){
       if(num == lnkDialogReshow){
           dialogChannel = createDialog(keyId, message, buttons);
           llSetTimerEvent(timerOut);
       }else if(num == lnkDialogCancel) state default;

       else checkDialogRequest(sender_num, num, str, id);
   }

   listen(integer channel, string name, key id, string msg){
       if((channel != dialogChannel) || (id != keyId)) return;
       
       integer index = llListFindList(buttons, [msg]);
       setResponse(lnkDialogResponse, llList2String(returns, index), keyId);
       state default;
   }

}

state MultiDialog {

   state_entry(){
       responseInt = -1;
       startItemNo = 0;
       dialogChannel = createMultiDialog(keyId, message, buttons, startItemNo);
       llSetTimerEvent(timerOut);
   }
   
   state_exit(){
       llSetTimerEvent(0);
   }
   
   on_rez(integer start_param){
       state default;
   }
   
   timer(){
       setResponse(lnkDialogTimeOut, "", keyId);
       state default;
   }
   
   link_message(integer sender_num, integer num, string str, key id){
       if(num == lnkDialogReshow){
           dialogChannel = createMultiDialog(keyId, message, buttons, startItemNo);
           llSetTimerEvent(timerOut);
       }else if(num == lnkDialogCancel) state default;

       else checkDialogRequest(sender_num, num, str, id);
   }

   listen(integer channel, string name, key id, string msg){
       if((channel != dialogChannel) || (id != keyId)) return;

       // Dialog control buttons
       if(msg == "<< BACK"){
           dialogChannel = createMultiDialog(keyId, message, buttons, startItemNo - 9);
           llSetTimerEvent(timerOut);
       }else if(msg == "NEXT >>"){
           dialogChannel = createMultiDialog(keyId, message, buttons, startItemNo + 9);
           llSetTimerEvent(timerOut);
       }else if(msg == " "){
           dialogChannel = createMultiDialog(keyId, message, buttons, startItemNo);
           llSetTimerEvent(timerOut);
       
       // Response buttons
       }else{
           integer index = llListFindList(buttons, [msg]);
           setResponse(lnkDialogResponse, llList2String(returns, index), keyId);
           state default;
       }
   }

}

state NumericAdjustDialog {

   state_entry(){
       responseInt = -1;

       numericValue = llList2Float(returns, 0);
       useInteger = llList2Integer(returns, 2);
       buttons = generateNumericAdjustButtons(buttons, llList2Integer(returns, 1));
       
       string vMessage;
       if(useInteger)
           vMessage = replaceString("{VALUE}", (string)((integer)numericValue), message);
       else vMessage = replaceString("{VALUE}", (string)numericValue, message);
       
       dialogChannel = createDialog(keyId, vMessage, buttons);
       llSetTimerEvent(timerOut);
   }
   
   state_exit(){
       llSetTimerEvent(0);
   }
   
   on_rez(integer start_param){
       state default;
   }
   
   timer(){
       setResponse(lnkDialogTimeOut, "", keyId);
       state default;
   }
   
   link_message(integer sender_num, integer num, string str, key id){
       if(num == lnkDialogReshow){
           dialogChannel = createDialog(keyId, message, buttons);
           llSetTimerEvent(timerOut);
       }else if(num == lnkDialogCancel) state default;

       else checkDialogRequest(sender_num, num, str, id);
   }

   listen(integer channel, string name, key id, string msg){
       if((channel != dialogChannel) || (id != keyId)) return;
       
       // Dialog control button is hit
       if(msg == "OK"){
           setResponse(lnkDialogResponse, (string)numericValue, keyId);
           state default;
       }else if(msg == "Cancel"){
           setResponse(lnkDialogCanceled, (string)numericValue, keyId);
           llMessageLinked(requestedNum, lnkDialogCanceled, (string)numericValue, keyId);
           state default;
       
       // Value adjustment button is hit
       }else if(msg == "+/-")
           numericValue = -numericValue;
       else if(llSubStringIndex(msg, "+") == 0)
           numericValue += (float)llDeleteSubString(msg, 0, 0);
       else if(llSubStringIndex(msg, "-") == 0)
           numericValue -= (float)llDeleteSubString(msg, 0, 0);
       
       // Spawn another dialog if no OK nor Cancel is hit
       string vMessage;
       if(useInteger)
           vMessage = replaceString("{VALUE}", (string)((integer)numericValue), message);
       else vMessage = replaceString("{VALUE}", (string)numericValue, message);
       dialogChannel = createDialog(keyId, vMessage, buttons);
       llSetTimerEvent(timerOut);
  }

} </lsl>