pages/Advanced_Usage/demo_session.py

'''
title: session
'''

import simplestart as ss

ss.md("## ss.session - reactive session variables")
ss.md("By modifying the session variable, the view can be automatically re-rendered")

ss.space()

ss.md('''
---
#### 🔅 Example 1 - Basic
''')


#in this page
ss.session["count"] = 100

mytext = ss.text("The couns is @count")


def change_count():
    ss.session.count += 1

ss.button("Add Count", onclick=change_count)

ss.write('''
---
#### 🔎 Code
''')

ss.md('''
```python
import simplestart as ss

ss.session["count"] = 100

mytext = ss.text("The couns is @count")


def change_count():
    ss.session.count += 1

ss.button("Add Count", onclick=change_count)

```
''')

ss.space()

ss.md('''
---
#### 🔅 Example 2 - Dict
''')

student = {
    "name":"Sam",
    "age":18,
    "gender":"Male",
    "favorite": "Sport, movie"
}

ss.session.data = student

ss.markdown('''
### Student Info
**Name:** @data.name
**Age:** @data.age
**Gender:** @data.gender
**Favorite:** @data.favorite
''')

def change_student(event):
    student = {
        "name":"Jane",
        "age":17,
        "gender":"Female",
        "favorite": "Music, painting"
    }
    ss.session.data = student
    
def change_info(event):
    ss.session.data["name"] = "Sally"
    
ss.button("Change Student", onclick = change_student)
ss.button("Change Info", onclick = change_info)

ss.write('''
---
#### 🔎 Code
''')

ss.md('''
```python
import simplestart as ss

student = {
    "name":"Sam",
    "age":18,
    "gender":"Male",
    "favorite": "Sport, movie"
}

ss.session.data = student

ss.markdown(\'''
### Student Info
**Name:** \@data.name
**Age:** \@data.age
**Gender:** \@data.gender
**Favorite:** \@data.favorite
\''')

def change_student(event):
    student = {
        "name":"Jane",
        "age":17,
        "gender":"Female",
        "image":"",
        "favorite": "Music, painting"
    }
    ss.session.data = student
    
def change_info(event):
    ss.session.data["name"] = "Sally"
    
ss.button("Change Student", onclick = change_student)
ss.button("Change Info", onclick = change_info)

```
''')