DiscussionAppDev

description: 给其他应用程序提供BBS论坛方式的聊天、留言板窗口。大多数APP的首页都有一个使用本应用的论坛，上面可以收集用户意见、发布消息等

Discussion app for Paraworld

Title	Discussion app for Paraworld
Author(s)	LiXizhi
Date	2008/1/31
File	script/kids/3DMapSystemApp/Discussion/app_main.lua

Description

db registration insert script INSERT INTO apps VALUES (NULL, 'Discussion_GUID', 'Discussion', '1.0.0', 'http://www.paraengine.com/apps/Discussion_v1.zip', 'YourCompany', 'enUS', 'script/kids/3DMapSystemApp/Discussion/IP.xml', '', 'script/kids/3DMapSystemApp/Discussion/app_main.lua', 'Map3DSystem.App.Discussion.MSGProc', 1);

Sample Code

NPL.load("(gl)script/kids/3DMapSystemApp/Discussion/app_main.lua");

Member Functions

Map3DSystem.App.Discussion.OnConnection

requires

create class commonlib.setfield("Map3DSystem.App.Discussion", {});

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event handlers

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OnConnection? method is the obvious point to place your UI (menus, mainbars, tool buttons) through which the user will communicate to the app. This method is also the place to put your validation code if you are licensing the add-in. You would normally do this before putting up the UI. If the user is not a valid user, you would not want to put the UI into the IDE.

• param app : the object representing the current application in the IDE.
• param connectMode : type of Map3DSystem? .App.ConnectMode.

syntax

function Map3DSystem.App.Discussion.OnConnection(app, connectMode)

parameters

app	the object representing the current application in the IDE.
connectMode

Map3DSystem.App.Discussion.OnDisconnection

Receives notification that the Add-in is being unloaded.

syntax

function Map3DSystem.App.Discussion.OnDisconnection(app, disconnectMode)

parameters

app
disconnectMode

Map3DSystem.App.Discussion.OnQueryStatus

This is called when the command's availability is updated When the user clicks a command (menu or mainbar button), the QueryStatus? event is fired. The QueryStatus? event returns the current status of the specified named command, whether it is enabled, disabled, or hidden in the CommandStatus? parameter, which is passed to the msg by reference (or returned in the event handler).

• param commandName : The name of the command to determine state for. Usually in the string format "Category.SubCate.Name".
• param statusWanted : what status of the command is queried. it is of type Map3DSystem? .App.CommandStatusWanted
• return __ : returns according to statusWanted. it may return an integer by adding values in Map3DSystem? .App.CommandStatus.

syntax

function Map3DSystem.App.Discussion.OnQueryStatus(app, commandName, statusWanted)

parameters

app
commandName	The name of the command to determine state for. Usually in the string format "Category.SubCate.Name".
statusWanted
return	returns according to statusWanted. it may return an integer by adding values in Map3DSystem? .App.CommandStatus.

Map3DSystem.App.Discussion.OnExec

This is called when the command is invoked.The Exec is fired after the QueryStatus? event is fired, assuming that the return to the statusOption parameter of QueryStatus? is supported and enabled. This is the event where you place the actual code for handling the response to the user click on the command.

• param commandName : The name of the command to determine state for. Usually in the string format "Category.SubCate.Name".

syntax

function Map3DSystem.App.Discussion.OnExec(app, commandName, params)

parameters

app
commandName	The name of the command to determine state for. Usually in the string format "Category.SubCate.Name".
params

Map3DSystem.App.Discussion.OnRenderBox

Change and render the 3D world with mcml data that is usually retrieved from the current user's profile page for this application.

syntax

function Map3DSystem.App.Discussion.OnRenderBox(mcmlData)

parameters

mcmlData

Map3DSystem.App.Discussion.Navigate

called when the user wants to nagivate to the 3D world location relavent to this application

syntax

function Map3DSystem.App.Discussion.Navigate()

Map3DSystem.App.Discussion.GotoHomepage

called when user clicks to check out the homepage of this application. Homepage usually includes: developer info, support, developer worlds information, app global news, app updates, all community user rating, active users, trade, currency transfer, etc.

syntax

function Map3DSystem.App.Discussion.GotoHomepage()

Map3DSystem.App.Discussion.DoQuickAction

called when user clicks the quick action for this application.

syntax

function Map3DSystem.App.Discussion.DoQuickAction()

Map3DSystem.App.Discussion.MSGProc

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client world database function helpers.

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all related messages

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APPS can be invoked in many ways: Through app Manager mainbar or menu command or buttons Command Line 3D World installed apps

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syntax

function Map3DSystem.App.Discussion.MSGProc(window, msg)

parameters

window
msg