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interface.py
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import pygame,json,os
from pygameUI import pygameUI
from settings import *
from graph import Graph
from inputs import *
# creates the interface and its interaction
class Interface:
def __init__(self,manager,quit):
self.manager = manager
self.graph = Graph()
self.graph.refresh_equations(
["y=cos(x)*2",
"y=x**2+x**2",
"y=x",
"y=-x",
"x=y**2 [x]",
"x=sin(y)+cos(y) [x]"],
)
self.quit = quit
self.topbar_cont = pygameUI.UIContainer(TOPBAR_RECT,self.manager,colored=True)
self.eq_list_cont = pygameUI.UIScrollableContainer(EQ_LIST_RECT,self.manager,colored=True)
self.eq_list_scrollbar = pygameUI.UIVerticalScrollbar(SCROLLBAR_RECT,self.manager,self.eq_list_cont)
self.eq_list_cont.set_vertical_scrollbar(self.eq_list_scrollbar)
self.FPS_label = pygameUI.UILabel(FPS_LABEL_RECT,self.manager,"60 FPS")
self.close_btn = pygameUI.UIButton(CLOSE_BTN_RECT,self.manager,self.topbar_cont,"X",id="close")
self.load_btn = pygameUI.UIDropDown(LOAD_BTN_RECT,self.manager,[""],"Load",id="load")
self.save_dropdown = pygameUI.UIDropDown(SAVE_BTN_RECT,self.manager,["Current","As New"],"Save",id="save")
self.new_dropdown = pygameUI.UIDropDown(NEW_BTN_RECT,self.manager,["Equation","Variable","Slider"],"New",id="new")
self.refresh_btn = pygameUI.UIButton(REFRESH_BTN_RECT,self.manager,text="Refresh",id="refresh")
self.view_dropdown = pygameUI.UIDropDown(VIEW_BTN_RECT,self.manager,["View Lines","View Points"],"View Lines",id="view")
self.precision_dropdown = pygameUI.UIDropDown(PRECISION_BTN_RECT,self.manager,list(STEP_DIVIDERS.keys()),"Precision",id="precision")
self.inputs:list[Input] = list()
self.id = 0
self.currently_loaded = -1
self.loaded = list()
self.load_start()
@internal
def save(self):
if self.currently_loaded != -1:
data = self.get_data()
self.loaded[self.currently_loaded] = data
@internal
def save_as_new(self):
data = self.get_data()
self.loaded.append(data)
self.currently_loaded += 1
items = [i for i in range(len(self.loaded)-1)]
self.load_btn.set_options(items)
@external
def save_to_files(self):
for fil in os.listdir("saved"):
if ".json" in fil:
os.remove("saved/"+fil)
for i,data in enumerate(self.loaded):
with open("saved/"+str(i)+".json","w") as file:
json.dump(data,file)
@internal
def get_data(self):
equations = list()
variables = list()
sliders = list()
for i in self.inputs:
if i.inputtype == "equation":
equations.append(i.get())
elif i.inputtype == "varaible":
name,val = i.get()
variables.append({"name":name,"value":val})
elif i.inputtype == "slider":
name,min,cur,max = i.get_full()
sliders.append({"name":name,"value":cur,"min":min,"max":max})
return {"equations":equations,"variables":variables,"sliders":sliders}
@internal
def load(self,id):
self.save()
self.currently_loaded = int(id)
for i in self.inputs:
i.destroy()
self.inputs.clear()
curdict = self.loaded[self.currently_loaded]
for eq in curdict["equations"]:
self.new_input("Equation",eq=eq)
for var in curdict["variables"]:
self.new_input("Variable",data=var)
for sli in curdict["sliders"]:
self.new_input("Slider",data=sli)
self.refresh()
@internal
def load_start(self):
items = list()
i = 0
for file in os.listdir("saved"):
if ".json" in file:
with open("saved/"+file,"r") as iofile:
dict_ = json.loads(iofile.read())
self.loaded.append(dict_)
items.append(str(i))
i += 1
self.load_btn.set_options(items)
@internal
def new_input(self,name,**kwargs):
h = 5
self.id += 1
for i in self.inputs:
h += i.height
if name == "Equation":
new = EquationInput(self.id,h,self.eq_list_cont,self.manager)
if "eq" in kwargs.keys():
new.set(kwargs["eq"])
self.inputs.append(new)
elif name == "Variable":
new = VariableInput(self.id,h,self.eq_list_cont,self.manager)
if "data" in kwargs.keys():
new.set(kwargs["data"]["name"],kwargs["data"]["value"])
self.inputs.append(new)
elif name == "Slider":
new = SliderInput(self.id,h,self.eq_list_cont,self.manager)
if "data" in kwargs.keys():
new.set(kwargs["data"]["name"],kwargs["data"]["min"],kwargs["data"]["value"],kwargs["data"]["max"])
self.inputs.append(new)
self.refresh()
@internal
def refresh(self):
equations = list()
localvars = {}
for i in self.inputs:
if i.inputtype == "equation":
equations.append(i.get())
elif i.inputtype == "variable" or i.inputtype == "slider":
name,value = i.get()
name = name.strip()
if name != "" and name not in GLOBALS.keys():
try:
value = eval(value,GLOBALS)
localvars[name]=value
except Exception as e:
print(f"Error on variable '{name}': '{e}'")
self.graph.refresh_locals(localvars)
self.graph.refresh_equations(equations)
@internal
def delete(self,id):
todestroy = None
for i,input in enumerate(self.inputs):
if input.id == id:
todestroy = input
w = input.height
for newi,inp in enumerate(self.inputs):
if newi > i:
inp.move(-w)
if todestroy != None:
todestroy.destroy()
self.inputs.remove(todestroy)
del todestroy
self.refresh()
@internal
def slider_event(self,id,is_slider):
selected = None
for input in self.inputs:
if input.id == id:
selected = input
if selected != None:
if is_slider:
selected.on_slider_change()
else:
selected.on_value_change()
self.refresh()
@internal
def change_precision(self,new):
self.graph.precision = new
self.graph.render()
@external
def event(self,e):
if e.type == pygameUI.BUTTON_PRESSED:
if e.element_ID == "close":
self.quit()
elif e.element_ID == "refresh":
self.refresh()
elif e.element_ID.startswith("delete_input_"):
id = e.element_ID.replace("delete_input_","")
self.delete(id)
elif e.type == pygameUI.DROPDOWN_SELECTED:
if e.manual == False:
if e.element_ID == "new":
self.new_dropdown.set_selected("New")
self.new_input(e.new)
elif e.element_ID == "save":
if e.new == "Current":
self.save()
elif e.new == "As New":
self.save_as_new()
self.save_dropdown.set_selected("Save")
elif e.element_ID == "view":
if e.new != e.old:
if self.graph.view == 0:
self.graph.view = 1
else:
self.graph.view = 0
self.graph.render()
elif e.element_ID == "precision":
self.graph.precision = e.new
self.graph.render()
self.precision_dropdown.set_selected("Precision")
elif e.element_ID == "load":
id = e.new
self.load(id)
self.load_btn.set_selected("Load")
elif e.type == pygameUI.SLIDER_MOVED:
if e.element_ID.startswith("slider_slider_") and not e.manual:
self.slider_event(e.element_ID.replace("slider_slider_",""),True)
elif e.type == pygameUI.ENTRYLINE_TEXT_CHANGED:
if e.element_ID.startswith("slider_value_input_") and not e.manual:
self.slider_event(e.element_ID.replace("slider_value_input_",""),False)
elif e.element_ID.startswith("variable_name_input_") or e.element_ID.startswith("variable_value_input_") or e.element_ID.startswith("slider_name_input_") or e.element_ID.startswith("equation_input_"):
self.refresh()