Changes for page 09 Lua Editor

Last modified by Nhu Nguyen on 2025/03/09 17:22

From version 9.1
edited by Jim
on 2023/08/11 09:10
Change comment: There is no comment for this version
To version 4.10
edited by Hunter
on 2022/07/29 15:01
Change comment: Update document after refactoring.

Summary

Details

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Author
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1 -XWiki.Jim
1 +XWiki.Hunter
Content
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14 14  (% style="text-align:center" %)
15 15  [[image:HMI Lua Editor user manual_html_34da990820a7a4e5.png||height="208" width="400" class="img-thumbnail"]]
16 16  
17 -== Script file area ==
17 +== **Script File Area** ==
18 18  
19 19  The script file area is located on the left side, named after the Lua, It will be referred to as the Lua node hereinafter.
20 20  
21 21  **Lua Node**
22 22  
23 -* Create new file: right-click the Lua node to select new file, and enter a name in pop-up window, (the name starts with an underscore or letter);
24 -* Refresh list: the file edited (new/deleted/renamed) by the user externally, the configuration is not refreshed. In this case this function needs to be used to synchronize changes;
23 +~1. Create new file: right-click the Lua node to select new file, and enter a name in pop-up window, (the name starts with an underscore or letter);
25 25  
26 -(% class="box infomessage" %)
27 -(((
28 -**✎Note: **
25 +2.Refresh list: the file edited (new/deleted/renamed) by the user externally, the configuration is not refreshed. In this case this function needs to be used to synchronize changes;
29 29  
30 -* There is no script file for the newly created project. Following two new files will automatically generate.
31 -* Script_BG.lua: is the global background script file, which includes initialization and timing functions
32 -* Script_Screen.lua: is a screen script file, and each screen can have initialization, timing, and close functions
33 -* At any time, as long as there is a new operation, the software will judge whether the above two files exist, and which one is missing will be automatically filled.
34 -)))
27 +**✎Note: **There is no script file for the newly created project. Following two new files will automatically generate.
35 35  
29 +Script_BG.lua: is the global background script file, which includes initialization and timing functions
30 +
31 +Script_Screen.lua: is a screen script file, and each screen can have initialization, timing, and close functions
32 +
33 +At any time, as long as there is a new operation, the software will judge whether the above two files exist, and which one is missing will be automatically filled.
34 +
36 36  **Lua Child Node**
37 37  
38 38  After creating a new file, expand the Lua node to display several script files. The following is referred to as child nodes.
... ... @@ -40,29 +40,31 @@
40 40  (% style="text-align:center" %)
41 41  [[image:HMI Lua Editor user manual_html_fc10128583a230da.png||height="143" width="200" class="img-thumbnail"]]
42 42  
43 -* Child node color description:
44 -* Red: encrypted file
45 -* Yellow: read-only file
46 -* Green: existed file or refresh the list to turn white to green
47 -* White: The newly created file, and the project will turn green after refreshing, protecting or reopening the project
42 +Child node color description:
48 48  
49 -**Delete:** right-click the child node to delete. The deleted node will be placed in the recycle bin.
44 +Red: encrypted file
50 50  
51 -**Rename: **right-click child node to rename.
46 +Yellow: read-only file
52 52  
53 -**Encryption:** right-click the child node, select encryption. Each file can be set with an independent password(length 1-6, only uppercase/lowercase letters and numbers are accepted).
48 +Green: existed file or refresh the list to turn white to green
54 54  
55 -* Encryption mode: When this mode is turned on, you need to verify the password to view and edit.
56 -* Read-only mode: This mode is opened without verifying the password, if you want to edit, you must first release the protection
50 +White: The newly created file, and the project will turn green after refreshing, protecting or reopening the project
57 57  
58 -**Unprotect:** Right-click on the child node, select Unprotect, enter the password to release.
52 +**(1) Delete:** right-click the child node to delete. The deleted node will be placed in the recycle bin.
59 59  
60 -(% class="box infomessage" %)
61 -(((
54 +**(2)** **Rename: **right-click child node to rename.
55 +
56 +**(3) Encryption:** right-click the child node, select encryption. Each file can be set with an independent password(length 1-6, only uppercase/lowercase letters and numbers are accepted).
57 +
58 +Encryption mode: When this mode is turned on, you need to verify the password to view and edit.
59 +
60 +Read-only mode: This mode is opened without verifying the password, if you want to edit, you must first release the protection
61 +
62 +**(4) Unprotect:** Right-click on the child node, select Unprotect, enter the password to release.
63 +
62 62  **✎Note: **If user forgets the password, the script file can never be recovered, the software will not storage any passwords, developers need to keep the password by themselves carefully.
63 -)))
64 64  
65 -== Script editor ==
66 +== **Script Editor** ==
66 66  
67 67  The script editor is divided into three blocks: the upper part is the toolbar, the middle part is the editing area, and the lower part is the output area.
68 68  
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79 79  
80 80  **Editor Area**
81 81  
82 -* **Highlight color:** Lua's built-in keywords has a different color with the Lua interface functions. The functions written by users will not be highlighted
83 -* **Auto-complete:** Lua function auto-complete prompts, Lua chunk auto-complete (such as if xx then end), also supports the completion of all the words in this script file. Use the Enter key to select candidates words, use the Tab key to turn off automatic completion.
84 -* **Automatic indentation: **The tab key can add 4 spaces
85 -* **Calling prompt:** only available for Lua interface functions
86 -* **Hovering hint:** for example the mouse stays near the o letter position of demo() , it will display the prototype of the function
87 -* **(6)** **Shortcut keys:** In order to facilitate users, various shortcut keys have been added. Detailed description: Configure Lua shortcut keys.doc
88 -* **Interface document: **The scripts listed in the interface document will be distinguished by the highlighted color in the editing area. You can check whether the interface is called incorrectly by judging the color change. Detailed description: Lua interface manual.
83 +**(1) Highlight color:** Lua's built-in keywords has a different color with the Lua interface functions. The functions written by users will not be highlighted
89 89  
85 +**(2)** **Auto-complete:** Lua function auto-complete prompts, Lua chunk auto-complete (such as if xx then end), also supports the completion of all the words in this script file. Use the Enter key to select candidates words, use the Tab key to turn off automatic completion.
86 +
87 +**(3) Automatic indentation: **The tab key can add 4 spaces
88 +
89 +**(4) Calling prompt:** only available for Lua interface functions
90 +
91 +**(5) Hovering hint:** for example the mouse stays near the o letter position of demo() , it will display the prototype of the function
92 +
93 +**(6)** **Shortcut keys:** In order to facilitate users, various shortcut keys have been added. Detailed description: Configure Lua shortcut keys.doc
94 +
95 +**(7)** **Interface document: **The scripts listed in the interface document will be distinguished by the highlighted color in the editing area. You can check whether the interface is called incorrectly by judging the color change. Detailed description: Lua interface manual.
96 +
90 90  **Output Area**
91 91  
92 92  Click the syntax button in the toolbar to perform a grammar check. If the script is written incorrectly, it will be displayed in the window. Double-click the prompt to locate the "near" line of the error.
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98 98  (% style="text-align:center" %)
99 99  [[image:HMI Lua Editor user manual_html_a9a41fb25f413fec.png||height="317" width="150" class="img-thumbnail"]]
100 100  
101 -== How to use Lua button ==
108 +== **How to Use Lua Button** ==
102 102  
103 103  Find the custom part->LuaScript on the right side, drag and draw to generate a part. Double-click the part to pop up a dialog box.
104 104  
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107 107  
108 108  Click Lua object will trigger two actions, that is, rising and falling scripts;
109 109  
110 -* **Falling script**: after the button is pressed, the code chunk of the area is executed;
111 -* **Rising script**: after the button is raised, the code chunk in the area is executed;
112 -* **Timing script**: periodically execute the code.
117 +**(1)** **Falling script**: after the button is pressed, the code chunk of the area is executed;
113 113  
114 -(% class="box infomessage" %)
115 -(((
116 -**✎Note: **
119 +**(2) Rising script**: after the button is raised, the code chunk in the area is executed;
117 117  
118 -* The timing script is not commonly used because it is similar to the screen background script function. It is not recommended to write and call function here. It should be written in Script_Screen.lua, which is convenient for editing, searching, and replacing operations.
119 -* It is not allowed to write endless loops or call functions that will loop enlessly in the widget. Once used, the entire screen will be stuck, and any buttons will no longer be used. We have to restart the screen to restore.
120 -)))
121 +**(3)** **Timing script**: periodically execute the code.
121 121  
123 +**✎Note: **The timing script is not commonly used because it is similar to the screen background script function. It is not recommended to write and call function here. It should be written in Script_Screen.lua, which is convenient for editing, searching, and replacing operations.
124 +
125 +**Warning:** It is not allowed to write endless loops or call functions that will loop enlessly in the widget. Once used, the entire screen will be stuck, and any buttons will no longer be used. We have to restart the screen to restore.
126 +
122 122  = **Platform** =
123 123  
124 -== File header identification ==
129 +== **File Header Identification** ==
125 125  
126 126  Any new file will automatically generate a line of code, as shown below:
127 127  
... ... @@ -135,58 +135,62 @@
135 135  (% style="text-align:center" %)
136 136  [[image:HMI Lua Editor user manual_html_52fb935bcc76d7ad.png||height="113" width="203" class="img-thumbnail"]]
137 137  
138 -* **_limits: **Fixed format, cannot be modified
139 -* **Description**:
140 -* **Tens digit=1**: indicates that the function or global variable defined in this file can be used in the background code file (Script_BG.lua). If it is 0, it is not available.
141 -* **Ones digit=1**: indicates that the functions or global variables defined in this file can be used in the screen code file (Script_Screen.lua) or LuaScript components. If it is 0, it is not available.
143 +**_limits**:Fixed format, cannot be modified
142 142  
143 -(% class="box infomessage" %)
144 -(((
145 +**Description**:
146 +
147 +**Tens digit=1**:indicates that the function or global variable defined in this file can be used in the background code file (Script_BG.lua). If it is 0, it is not available.
148 +
149 +**Ones digit=1**:indicates that the functions or global variables defined in this file can be used in the screen code file (Script_Screen.lua) or LuaScript components. If it is 0, it is not available.
150 +
145 145  **✎Note: **If you rename the file manually, you must modify the limits in the file accordingly, otherwise the script file will not take effect.
146 -)))
147 147  
148 -== Built-In script file ==
153 +== **Built-In Script File** ==
149 149  
150 150  As mentioned above, the first new build will automatically generate two script files. These two files cannot be deleted and renamed, which will be explained in detail here.
151 151  
152 -**Script_BG.lua** is a global background script file, which includes initialization and polling functions
157 +~1. **Script_BG.lua** is a global background script file, which includes initialization and polling functions
153 153  
154 154  (% style="text-align:center" %)
155 155  [[image:HMI Lua Editor user manual_html_5eb1ad5776f18955.png||height="148" width="200" class="img-thumbnail"]]
156 156  
157 -* we_bg_init(): global initialization, that is, execute once when power on.
158 -* we_bg_poll(): Global polling, that is, the cycle is repeated after power on.
162 +we_bg_init(): global initialization, that is, execute once when power on.
159 159  
164 +we_bg_poll():Global polling, that is, the cycle is repeated after power on.
165 +
160 160  Script_Screen.lua is a screen script file, and each screen has an initialization, polling, and closing functions
161 161  
162 162  (% style="text-align:center" %)
163 163  [[image:HMI Lua Editor user manual_html_e6807eb0da0eedd4.png||height="231" width="300" class="img-thumbnail"]]
164 164  
165 -* we_scr_init_0(): execute this function when screen 0 is initialized
166 -* we_scr_poll_0(): when in picture 0, the function is executed repeatedly
167 -* we_scr_close_0(): execute this function when screen 0 is closed
171 +we_scr_init_0(): execute this function when screen 0 is initialized
168 168  
173 +we_scr_poll_0(): when in picture 0, the function is executed repeatedly
174 +
175 +we_scr_close_0(): execute this function when screen 0 is closed
176 +
169 169  The above is the initialization function of screen 0. For screen 100, you can replace 0 with 100. You can add your own function: function we_scr_init_100() end
170 170  
171 -(% class="box infomessage" %)
172 -(((
173 173  **✎Note: **The above function has a fixed name. If it is modified, it will not cause crash, but the function can be found.
174 -)))
175 175  
176 -**Example:** After the screen 0 initialization function is changed to we_scR_init_0(), the script will not be executed when screen 0 is initialized, and then no script will be executed, and nothing will be done because the "we_scr_init_0" function cannot be found.
181 +Example: After the screen 0 initialization function is changed to we_scR_init_0(), the script will not be executed when screen 0 is initialized, and then no script will be executed, and nothing will be done because the "we_scr_init_0" function cannot be found.
177 177  
178 -== Script type (operating mechanism) ==
183 +== **Script Type (Operating Mechanism)** ==
179 179  
180 180  There are two types of scripts:
181 181  
182 -* Active: script automatically executed by HMI
183 -* Passive: Script executed only after user trigger
187 +Active: script automatically executed by HMI
184 184  
189 +Passive: Script executed only after user trigger
190 +
185 185  The active types includes:
186 186  
187 -* Global _bg_ related functions in Script_BG.lua
188 -* Screen _scr_ related functions in Script_Screen.lua
193 +Global _bg_ related functions in Script_BG.lua
189 189  
195 +Screen _scr_ related functions in Script_Screen.lua
196 +
190 190  Polling script in Lua object
191 191  
192 -The passive type scripts include: The rising and falling script in Lua object.
199 +The passive type scripts include:
200 +
201 +The rising and falling script in Lua object.