#@+leo-ver=4-thin
#@+node:EKR.20040517080555.25:@thin pluginsTest.py
"""Test file for Plugins menu protocols"""

#@@language python
#@@tabwidth -4

import leoGlobals as g
import leoPlugins

try: import Tkinter as Tk
except ImportError: Tk = None

import os

#@+others
#@+node:EKR.20040517080555.26:applyConfiguration
def applyConfiguration(config):
    
    sections = config.sections()
    sections.sort()

    for section in sections:
        options = config.options(section)
        options.sort()
        for option in options:
            print section, option, config.get(section, option)
#@-node:EKR.20040517080555.26:applyConfiguration
#@+node:EKR.20040517080555.27:cmd_fn1/2/3
def cmd_fn1(event=None):
    g.es("Fn1",color="blue")

def cmd_fn2(event=None):
    g.es("Fn2",color="blue")

def cmd_fn3(event=None):
    g.es("Fn3",color="blue")
#@-node:EKR.20040517080555.27:cmd_fn1/2/3
#@+node:EKR.20040517080555.28:onSelect
def onSelect (tag,keywords):

    new_v = keywords.get("new_v")
    h = new_v.headString()
    if h[:7] == "@image ":
        filename = h[7:]
        #@        << Select Image >>
        #@+node:EKR.20040517080555.29:<< Select Image >>
        # Display the image file in the text pane, if you can find the file
        a = g.app
        c = keywords.get("c")
        body = c.frame.body
        
        if os.path.isfile(filename):
            try:
                # Note that Tkinter only understands GIF
                photo = Tk.PhotoImage(master=a.root, file=filename)
            except:
                g.es("error: cannot load image")
                return
            # Nicely display the image at the center top and push the text below.
            a.gsphoto = photo # This is soooo important.
            photoWidth = photo.width()
            bodyWidth = body.bodyCtrl.winfo_width()
            padding = int((bodyWidth - photoWidth - 16) / 2)
            padding = max(0,padding)
            a.gsimage = body.bodyCtrl.image_create("1.0",image=photo,padx=padding)
        else:
            g.es("warning: missing image file")
        #@nonl
        #@-node:EKR.20040517080555.29:<< Select Image >>
        #@nl
#@nonl
#@-node:EKR.20040517080555.28:onSelect
#@+node:EKR.20040517080555.30:onUnselect
def onUnselect (tag,keywords):

    a = g.app
    c = keywords.get("c")
    old_v = keywords.get("old_v")

    if old_v:
        h = old_v.headString()
        if h[:7] == "@image ":
            #@            << Unselect Image >>
            #@+node:EKR.20040517080555.31:<< Unselect Image >>
            # Erase image if it was previously displayed
            if a.gsimage:
                try:
                     c.frame.body.bodyCtrl.delete(a.gsimage)
                except:
                    g.es("info: no image to erase")
            
            # And forget about it
            a.gsimage = None
            a.gsphoto = None
            #@-node:EKR.20040517080555.31:<< Unselect Image >>
            #@nl
    else: # Leo is initializing.
        a.gsphoto = None # Holds our photo file
        a.gsimage = None # Holds our image instance within the text pane
#@nonl
#@-node:EKR.20040517080555.30:onUnselect
#@-others

if Tk and not g.app.unitTesting: # Register the handlers...

    if g.app.gui is None:
        g.app.createTkGui(__file__)

    if g.app.gui.guiName() == "tkinter":

        leoPlugins.registerHandler("select2", onSelect)
        leoPlugins.registerHandler("unselect1", onUnselect)
        
        __version__ = "1.1"
        g.plugin_signon(__name__)
#@nonl
#@-node:EKR.20040517080555.25:@thin pluginsTest.py
#@-leo
