#!/usr/bin/env python22 # # gui design study: starmap with internal or external dialogs # for planet/starship data # from Tkinter import * from random import randint class Star: def __init__( self, x, y, id, name=None ): self.x = x self.y = y self.id = id self.nameTemplates = ['cvcvc', 'cvcc','vcvc'] self.consonants='bcdfghjklmnpqrstvwxyz' self.vocals = 'aeiou' if name == None: self.name = self.createName() else: self.name = name def getXY(self): return (self.x, self.y) def createName(self): # code for fun and glory :-) name = "" r = randint(0,len(self.nameTemplates)-1) template = self.nameTemplates[ r ] for char in template: if char == 'c': s = randint(0,len(self.consonants)-1) name = name + self.consonants[s] else: s = randint(0,len(self.vocals)-1) name = name + self.vocals[s] return name.capitalize() # eof class star class StarObjects: def __init__(self): self.stars = [] def append(self,star): self.stars.append(star) def __iter__(self): return iter(self.stars) # eof class StarObjects class TestDialog: def __init__(self, canvas, planetID, planetName, x, y): self.canvas = canvas self.planetID = planetID self.planetName = planetName lineHeight = 10 # the height of a text line in the dialog w = 80 h = 9 * lineHeight self.objects = [] # stores the IDs of the canvas objects building this dialog # tow line -- a line from the mini dialog to the dialogs star: self.towline = self.canvas.create_line(x, y, x+(w/2), y+(h/2), fill="red") id = self.canvas.create_rectangle( x, y, x+w, y+h, width=1,outline="black", fill="orange" ) self.objects.append( id ) # base rectangle id = self.canvas.create_rectangle( x, y, x+w, y+lineHeight, width=1,outline="black", fill="lightblue", tags="sdlg" ) self.objects.append( id ) # title bar id = self.canvas.create_text( x+(w/2), y+(lineHeight/2), font=("Helvetica", 10), text=planetName, fill="black") self.objects.append( id ) # title # close-button: id = self.canvas.create_rectangle( x+2, y+2, x+lineHeight-2, y+lineHeight-2, width=1,outline="black", fill="black", tags="DlgClose" ) self.objects.append( id ) # close button id = self.canvas.create_text( x+22, y+15, font=("Helvetica", 10), text="N: 230kt", fill="black") self.objects.append( id ) # title id = self.canvas.create_text( x+22, y+25, font=("Helvetica", 10), text="T: 142kt", fill="black") self.objects.append( id ) # title id = self.canvas.create_text( x+22, y+35, font=("Helvetica", 10), text="D: 123kt", fill="black") self.objects.append( id ) # title id = self.canvas.create_text( x+22, y+45, font=("Helvetica", 10), text="M: 23kt", fill="black") self.objects.append( id ) # title def moveRel( self, dx, dy ): for ele in self.objects: self.canvas.move( ele, dx, dy ) coords = self.canvas.coords( self.towline ) self.canvas.coords( self.towline, coords[0], coords[1], coords[2]+dx, coords[3]+dy ) def close( self ): for ele in self.objects: self.canvas.delete( ele ) self.canvas.delete( self.towline ) def hasElementID( self, id ): for ele in self.objects: if ele == id: return 1 return 0 # class TestDialog # --------------------------------------------------- class TestDialogContainer: def __init__(self): self.dialogs = [] def deleteByButtonID( self, recID ): for dlg in self.dialogs: if dlg.hasElementID( recID ): print "deleting dialog..." dlg.close() return (1==1) return (1==2) def deleteAll( self ): for dlg in self.dialogs: dlg.close() def append( self, ele ): self.dialogs.append( ele ) def moveDlgRelByID( self, id, dx, dy ): for dlg in self.dialogs: if dlg.hasElementID( id ): dlg.moveRel( dx, dy ) return 1 return 0 # container # -------------------------------------------------- class Gui: def __init__(self): self.frame = Tk() self.frame.title('starmap design study 2') self.status = StringVar() self.miniDialogs = TestDialogContainer() self.dlg_moved = 0 self.dlg_id = 0 self.dlg_old_x = 0 self.dlg_old_y = 0 self.dlg_new_x = 0 self.dlg_new_y = 0 statusBar = Label(self.frame, textvariable=self.status, bd=1, relief=SUNKEN, anchor=W) statusBar.pack(side=BOTTOM, fill=X) menubar = Menu(self.frame) filemenu = Menu(menubar) filemenu.add_separator() filemenu.add_command(label="Quit", command=self.quit) menubar.add_cascade(label="File", menu=filemenu) self.frame.config( menu=menubar ) self.frame.bind("", self.quit) # adding a drawing area: self.canvas = Canvas( self.frame, width=450, height=350, bg="black" ) self.canvas.pack( side=TOP ) # generating some test data: self.starObjects = StarObjects() for i in range(15): x,y = randint(1,450), randint(1,350) star = Star( x, y, randint(1,100) ) self.starObjects.append( star ) # stores for storing the assignment of starIDs and ovals: self.oval2star = dict() # paint: self.canvas.create_line(1, 45,450, 45,fill="white") self.canvas.create_line(1,245,450,245,fill="white") self.canvas.create_line( 90, 1, 90,350,fill="white") self.canvas.create_line(290, 1,290,350,fill="white") self.paint() # click event: self.canvas.tag_bind ("DnD" , "", self.click1) self.canvas.tag_bind ("sdlg" , "", self.star_dlg_click) self.canvas.tag_bind ("sdlg" , "", self.star_dlg_unclick) self.canvas.tag_bind ("DlgClose", "", self.dlgClose) def paint(self): rStar = 4 for star in self.starObjects: x,y = star.getXY() name = star.name ovalID = self.canvas.create_oval( x-(2*rStar),y-(2*rStar),x,y,width=1,outline="black", fill="green", tags="DnD" ) self.oval2star[ovalID] = star self.canvas.create_text (x, y+10, font =("Helvetica", 10), text=name, fill="green") def star_dlg_click(self, event): dlg_id, = self.canvas.find_withtag( CURRENT ) # print "star_dlg_click ",event.x,event.y self.dlg_id = dlg_id self.dlg_old_x = event.x self.dlg_old_y = event.y event.widget.bind( "", self.star_dlg_motion ) def star_dlg_motion( self, event ): self.dlg_new_x = event.x self.dlg_new_y = event.y dx = self.dlg_new_x - self.dlg_old_x dy = self.dlg_new_y - self.dlg_old_y self.dlg_old_x = self.dlg_new_x self.dlg_old_y = self.dlg_new_y self.miniDialogs.moveDlgRelByID( self.dlg_id, dx, dy ) self.dlg_moved = 1 def star_dlg_unclick( self, event ): event.widget.unbind( "" ) #if self.dlg_moved: # dx = self.dlg_new_x - self.dlg_old_x # dy = self.dlg_new_y - self.dlg_old_y # self.miniDialogs.moveDlgRelByID( self.dlg_id, dx, dy ) self.dlg_moved = 0 def click1(self, event): oval_id, = self.canvas.find_withtag( CURRENT ) star = self.oval2star[ oval_id ] self.setStatusBar( "Star: " + star.name + " (" + str(star.id) + ")" ) dlg = TestDialog( self.canvas, star.id, star.name, event.x, event.y ) self.miniDialogs.append( dlg ) def dlgClose( self, event ): current, = self.canvas.find_withtag( CURRENT ) print "clicked on dlgClose ", current self.miniDialogs.deleteByButtonID( current ) def quit( self, event=None ): self.frame.quit() def setStatusBar( self, title ): self.status.set(title) def mainloop( self ): self.setStatusBar("OK.") self.frame.mainloop() if __name__ == "__main__": gui = Gui() gui.mainloop()