#!/c/Bin/Python/python.exe # # ####################################################################### # Module imports # TK related imports from Tkinter import * from Dialog import Dialog from tkFileDialog import asksaveasfilename # Simple DOM XML Parser import xml.dom.minidom # Misc system services import sys, os, os.path, time, string ####################################################################### # Settable variables ### Horizontal size of the Tk window size = 600 ### Fonts used in the dialogues labelFont = ("Helvetica",12,"italic") menuFont = ("Helvetica",10,"italic") entryFont = ("Helvetica",12,"bold") ####################################################################### # Global variables ### input file name inputFile = None # The head of the list of Addrs Addrs = None # Title of the full set (just store and save it...) title = "W3C Communication Team" ####################################################################### ### Utilities # # # def getText(nodeP): """Get the text information from a DOM node""" rc = "" for node in nodeP.childNodes: if node.nodeType == node.TEXT_NODE: rc = rc + node.data return rc # # # def createAddrs(dom): """Create a linked list of Addr class instances from the XML description and return the first element of the list.""" AddrsElements = dom.getElementsByTagName("Person") # Create the first Addr in the list: for i in range(len(AddrsElements)) : if i == 0 : AddrsFirst = AddrPrev = Addr(node=AddrsElements[0]) else : ph = Addr(node=AddrsElements[i], previous=AddrPrev) AddrPrev = ph return AddrsFirst ######################################################################## # # Addr class. It holds the information on an image: file name, description, date # The class is also capable of printing its own content in xml format # class Addr: """Addr class. It holds the information on an image: file name, description, date The class is also capable of printing its own content in xml format""" def __init__(self, node=None, previous=None, adFile=None) : if adFile == None : # Information comes from a DOM node self.name = getText(node.getElementsByTagName("Name")[0]) self.address = getText(node.getElementsByTagName("Address")[0]) self.city = getText(node.getElementsByTagName("City")[0]) try: self.zip = getText(node.getElementsByTagName("Zip")[0]) except: self.zip = "" try: self.fax = getText(node.getElementsByTagName("Fax")[0]) except: self.fax = "" try: self.pict = node.getElementsByTagName("Picture")[0] self.picture = self.pict.getAttribute("src") self.width = self.pict.getAttribute("width") self.height = self.pict.getAttribute("height") except: self.picture = self.width = self.height = "" self.pict = None self.email = getText(node.getElementsByTagName("Email")[0]) self.country = getText(node.getElementsByTagName("Country")[0]) else : # Information comes from a file, the rest must be # generated self.name = "" self.address = "" self.city = "" self.zip = "" self.faz = "" self.email = "" self.country = "" self.picture = self.width = self.height = "" self.pict = None # link settings for the previous and the next self.previous = previous self.next = None if previous != None : previous.next = self # # # def pr(self,doc,parent) : """Add the content of the local element to a DOM Document doc: a DOM Document element, to create new elements parent: the parent element""" pEl = doc.createElement("Person") pName = doc.createElement("Name") pName.appendChild(doc.createTextNode(self.name)) pEl.appendChild(pName) pAddr = doc.createElement("Address") pAddr.appendChild(doc.createTextNode(self.address)) pEl.appendChild(pAddr) pCity = doc.createElement("City") pCity.appendChild(doc.createTextNode(self.city)) pEl.appendChild(pCity) p = doc.createElement("Zip") p.appendChild(doc.createTextNode(self.zip)) pEl.appendChild(p) p = doc.createElement("Fax") p.appendChild(doc.createTextNode(self.fax)) pEl.appendChild(p) p = doc.createElement("Email") p.appendChild(doc.createTextNode(self.email)) pEl.appendChild(p) pCountry = doc.createElement("Country") pCountry.appendChild(doc.createTextNode(self.country)) pEl.appendChild(pCountry) if self.pict : p = doc.createElement("Picture") p.setAttribute("width",self.width) p.setAttribute("height",self.height) p.setAttribute("src",self.picture) pEl.appendChild(p) parent.appendChild(pEl) # # # def prAll(self,doc,parent) : """Add the content of the local element to a DOM Document and then go to the next element in the list doc: a DOM Document element, to create new elements parent: the parent element for this one""" self.pr(doc,parent) if self.next != None : self.next.prAll(doc,parent) # End class Addr ######################################################################## # # # Addr Canvas: this is the real (Tk) application window # # class AddrCanvas : """Addr Canvas: this is the real (Tk) application window""" # Init: create the Tk canvas and the description entries, and set the image to the # first Addrgraph def __init__(self) : # Initially, no image, just setting the various widgets self.imageItem = None self.currentAddr = Addrs self.changed = 1 # Because the image size values may have changed... # Root of the application self.root = root = Tk() # Use the title in the XML file (if any) as a window title root.title(title) # Exit should be controlled (see if a file has to be saved...) root.protocol("WM_DELETE_WINDOW",self.exit) # Menu with a save, save as, and exit entries menu = Menu(font=menuFont) root.config(menu=menu) filemenu = self.filemenu = Menu(menu,font=menuFont,tearoff=0) menu.add_cascade(label="File",menu=filemenu, font=menuFont) filemenu.add_command(label="Save", command=self.save, state=NORMAL) filemenu.add_command(label="Save As...", command=self.saveAs) filemenu.add_separator() filemenu.add_command(label="Append to...", command=self.append) filemenu.add_separator() filemenu.add_command(label="Exit", command=self.exit) # The canvas for the image, initially empty. Note that I use a grid! self.canv = Canvas(root,width=size,height=25) self.canv.grid(row=0,columnspan=2) # Navigation to the next and previous images self.canv.bind("",self.prev) self.canv.bind("",self.next) # Description fields with their labels Label(root, text="Name: ", font=labelFont).grid(row=1, column=0, sticky=W) self.nameEntry = Entry(root, width=80, font=entryFont) self.nameEntry.grid(row=1, column=1, sticky=W) # Description fields with their labels Label(root, text="Address: ", font=labelFont).grid(row=2, column=0, sticky=W) self.addressEntry = Entry(root, width=80, font=entryFont) self.addressEntry.grid(row=2, column=1, sticky=W) Label(root, text="City: ", font=labelFont).grid(row=3, column=0, sticky=W) self.cityEntry = Entry(root, width=80, font=entryFont) self.cityEntry.grid(row=3, column=1, sticky=W) Label(root, text="Zip: ", font=labelFont).grid(row=4, column=0, sticky=W) self.zipEntry = Entry(root, width=80, font=entryFont) self.zipEntry.grid(row=4, column=1, sticky=W) Label(root, text="Country: ", font=labelFont).grid(row=5, column=0, sticky=W) self.countryEntry = Entry(root, width=80, font=entryFont) self.countryEntry.grid(row=5, column=1, sticky=W) Label(root, text="Fax: ", font=labelFont).grid(row=6, column=0, sticky=W) self.faxEntry = Entry(root, width=80, font=entryFont) self.faxEntry.grid(row=6, column=1, sticky=W) Label(root, text="Email: ", font=labelFont).grid(row=7, column=0, sticky=W) self.emailEntry = Entry(root, width=80, font=entryFont) self.emailEntry.grid(row=7, column=1, sticky=W) Label(root, text="Picture: ", font=labelFont).grid(row=8, column=0, sticky=W) self.pictureEntry = Entry(root, width=80, font=entryFont) self.pictureEntry.grid(row=8, column=1, sticky=W) Label(root, text=" width:", font=labelFont).grid(row=9, column=0, sticky=W) self.widthEntry = Entry(root, width=10, font=entryFont) self.widthEntry.grid(row=9, column=1, sticky=W) Label(root, text=" height:", font=labelFont).grid(row=10, column=0, sticky=W) self.heightEntry = Entry(root, width=10, font=entryFont) self.heightEntry.grid(row=10, column=1, sticky=W) # Everything is set up: set up the content with the current image (ie, the # first one) self.setImage() # Application main loop root.mainloop() # # # def setImage(self) : """Change an image: change the description content, as well as the image to the global value of the current image""" # Set the description entries to their new values, and position the cursor self.nameEntry.delete(0,END) self.nameEntry.insert(0,self.currentAddr.name) self.nameEntry.icursor(END) self.addressEntry.delete(0,END) self.addressEntry.insert(0,self.currentAddr.address) self.addressEntry.icursor(END) self.cityEntry.delete(0,END) self.cityEntry.insert(0,self.currentAddr.city) self.cityEntry.icursor(END) self.zipEntry.delete(0,END) self.zipEntry.insert(0,self.currentAddr.zip) self.zipEntry.icursor(END) self.countryEntry.delete(0,END) self.countryEntry.insert(0,self.currentAddr.country) self.countryEntry.icursor(END) self.faxEntry.delete(0,END) self.faxEntry.insert(0,self.currentAddr.fax) self.faxEntry.icursor(END) self.emailEntry.delete(0,END) self.emailEntry.insert(0,self.currentAddr.email) self.emailEntry.icursor(END) self.pictureEntry.delete(0,END) self.pictureEntry.insert(0,self.currentAddr.picture) self.pictureEntry.icursor(END) self.widthEntry.delete(0,END) self.widthEntry.insert(0,self.currentAddr.width) self.widthEntry.icursor(END) self.heightEntry.delete(0,END) self.heightEntry.insert(0,self.currentAddr.height) self.heightEntry.icursor(END) # # update, if necessary, the description and data content # a change flag is also set, to ensure a warning to the user to save the content # def updateDesc(self) : """Update, if necessary, the description and data content""" if self.currentAddr.name != self.nameEntry.get() : self.currentAddr.name = self.nameEntry.get() self.changed = 1 self.filemenu.entryconfig(0,state=NORMAL) if self.currentAddr.address != self.addressEntry.get() : self.currentAddr.address = self.addressEntry.get() self.changed = 1 self.filemenu.entryconfig(0,state=NORMAL) if self.currentAddr.city != self.cityEntry.get() : self.currentAddr.city = self.cityEntry.get() self.changed = 1 self.filemenu.entryconfig(0,state=NORMAL) if self.currentAddr.country != self.countryEntry.get() : self.currentAddr.country = self.countryEntry.get() self.changed = 1 self.filemenu.entryconfig(0,state=NORMAL) if self.currentAddr.zip != self.zipEntry.get() : self.currentAddr.zip = self.zipEntry.get() self.changed = 1 self.filemenu.entryconfig(0,state=NORMAL) if self.currentAddr.fax != self.faxEntry.get() : self.currentAddr.fax = self.faxEntry.get() self.changed = 1 self.filemenu.entryconfig(0,state=NORMAL) if self.currentAddr.email != self.emailEntry.get() : self.currentAddr.email = self.emailEntry.get() self.changed = 1 self.filemenu.entryconfig(0,state=NORMAL) if self.currentAddr.picture != self.pictureEntry.get() : self.currentAddr.picture = self.pictureEntry.get() self.changed = 1 self.filemenu.entryconfig(0,state=NORMAL) if self.currentAddr.width != self.widthEntry.get() : self.currentAddr.width = self.widthEntry.get() self.changed = 1 self.filemenu.entryconfig(0,state=NORMAL) if self.currentAddr.height != self.heightEntry.get() : self.currentAddr.height = self.heightEntry.get() self.changed = 1 self.filemenu.entryconfig(0,state=NORMAL) # # Go to the next image (if any); save the description entries first # This is the callback to the right mouse button # def next(self,event) : """Go to the next image (if any)""" if self.currentAddr.next != None : self.updateDesc() self.currentAddr = self.currentAddr.next self.setImage() # # Go the previous image (if any); save the description entries first # This is the callback to the left mouse button # def prev(self,event) : """Go the previous image (if any)""" if self.currentAddr.previous != None : self.updateDesc() self.currentAddr = self.currentAddr.previous self.setImage() # # Common root for saving content in a file; it sets up the # global XML elements def saveFile(self,filename) : """Common root for saving content in a file. It creates a complete DOM tree, and then prints it""" dom = xml.dom.minidom.Document() dom.appendChild(xsl) all = dom.createElement("Addresses") dom.appendChild(all) Addrs.prAll(dom,all) file = open(filename,'w') dom.writexml(file) file.flush() file.close() self.changed = 0 self.filemenu.entryconfig(0,state=DISABLED) # # # def saveAs(self) : """Callback for 'save as'""" f = asksaveasfilename(initialfile = inputFile) if f : if os.access(f,os.F_OK) == 1 : try : os.remove(f+'.bak') except : pass os.rename(f,f+'.bak') self.saveFile(f) # # # def save(self) : """Callback for 'save'. It also creates a backup file first (unless the program started from scratch)""" global inputFile self.updateDesc() if inputFile == " " : inputFile = asksaveasfilename(initialfile = "index.xml") else : try : if os.access(inputFile+'.bak',os.F_OK) == 1 : os.remove(inputFile+'.bak') os.rename(sys.argv[1],inputFile+'.bak') except: pass self.saveFile(inputFile) # # # def append(self) : """Callback for 'Append To'.""" f = asksaveasfilename(initialfile = "smallAddresses.xml") if f : if os.path.abspath(os.path.basename(inputFile)) == os.path.abspath(os.path.basename(f)) : d = Dialog(self.root, title="Append to itself", text="Append to the input file?", bitmap="", default="1", strings=("Yes","No")) if d.num == 1 : return if os.access(f,os.F_OK) == 1 : # The real append... dom = xml.dom.minidom.parse(f) try : os.remove(f+'.bak') except : pass os.rename(f,f+'.bak') # locate the root element, this will the parent to the # appended ones... self.updateDesc() allIm = dom.getElementsByTagName("Addresses")[0] Addrs.prAll(dom,allIm) file = open(f,'w') dom.writexml(file) file.flush() file.close() self.changed = 0 self.filemenu.entryconfig(0,state=DISABLED) else : # There is no such file!!! self.saveFile(f) # # Callback for exit; see if a change has been done. If so a dialogue makes it # sure that the user can change the content first # This is also the callback for the window closure action # def exit(self) : self.updateDesc() if inputFile == None or self.changed : d = Dialog(self.root, title="Content has changed", text="Content has changed, save?", bitmap="", default="0", strings=("Yes","No")) if d.num == 0 : self.save() self.root.quit() ##################################################################################################### # Just the startup; in fact, the main function is used here only for aesthetic reasons... def usage() : print "Usage: " print " %s -help|-h" % sys.argv[0] print " Display this message" print " %s file.xml" % sys.argv[0] print " Start up interactive tool" print " %s -thumbnails|-th [imagefiles]+" % sys.argv[0] print " Generate thumbnails" print " %s -init|-i [imagefiles]+" % sys.argv[0] print " Generate thumbnails and start interaction" def main() : global Addrs, inputFile inputFile = sys.argv[1] #print inputFile try : dom = xml.dom.minidom.parse(inputFile) except : print "Problems accessing the input xml file: ", sys.exc_info()[0] sys.exit() Addrs = createAddrs(dom) app = AddrCanvas() main()