----- Original Message ----- From: "Dieter Maurer" <[EMAIL PROTECTED]> To: "Hugo Ramos" <[EMAIL PROTECTED]> Cc: "ZOPE" <[EMAIL PROTECTED]>; "EUROZOPE" <[EMAIL PROTECTED]> Sent: Tuesday, August 29, 2000 10:22 PM Subject: Re: [Zope] dtml-tree question > Hugo Ramos writes: > > Is there a way to use my own self made '+' icon in a tree tag? > > I'dd like to use my own icon only IF i want to... and not change the python > > source to use my own icon all the time! > The code is partially there, but incomplete and commented out. > > If you do not mind other extensions as well, I could provide > a TreeTag patch for several extensions, including the > icon customization. hello Dieter, I've tryied to hack the treetag source already... but there's some kind of bug in it: line 566 (original source): s.append([id,[]]) Why is this trying to append to 's' when 's' has become a tupple somewhere before this line???... tupples don't accept append!! This bug is really making me crazy... because it makes an error when clicking the + icon in a dtml-tree that I must use... Another thing: I hacked the source of treetag.py to accept 2 more parameters in the dtml-tree... icon_mi and icon_pl The hacked source is in the attach. Changes go from line 411-427. Of course i defined the 2 new parameters as None in the file top. Please somebody help me... I'm running out of ideias... regards ===== Hugo Ramos - [EMAIL PROTECTED] ZopersORG - http://www.zopers.org ===== Do not meddle in the affairs of programmers, for they are easy to annoy, and have all the source code!!!
############################################################################## # # Zope Public License (ZPL) Version 1.0 # ------------------------------------- # # Copyright (c) Digital Creations. All rights reserved. # # This license has been certified as Open Source(tm). # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions are # met: # # 1. Redistributions in source code must retain the above copyright # notice, this list of conditions, and the following disclaimer. # # 2. Redistributions in binary form must reproduce the above copyright # notice, this list of conditions, and the following disclaimer in # the documentation and/or other materials provided with the # distribution. # # 3. Digital Creations requests that attribution be given to Zope # in any manner possible. Zope includes a "Powered by Zope" # button that is installed by default. 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IN NO EVENT SHALL DIGITAL CREATIONS OR ITS # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF # USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND # ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, # OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT # OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF # SUCH DAMAGE. # # # This software consists of contributions made by Digital Creations and # many individuals on behalf of Digital Creations. Specific # attributions are listed in the accompanying credits file. # ############################################################################## """Rendering object hierarchies as Trees """ __rcs_id__='$Id: TreeTag.py,v 1.43 2000/08/23 20:51:25 brian Exp $' __version__='$Revision: 1.43 $'[11:-2] import types from DocumentTemplate.DT_Util import * from DocumentTemplate.DT_String import String from string import join, split, rfind, find, translate from urllib import quote, unquote from zlib import compress, decompress from binascii import b2a_base64, a2b_base64 tbl=join(map(chr, range(256)),'') tplus=tbl[:ord('+')]+'-'+tbl[ord('+')+1:] tminus=tbl[:ord('-')]+'+'+tbl[ord('-')+1:] class Tree: name='tree' blockContinuations=() expand=None def __init__(self, blocks): tname, args, section = blocks[0] args=parse_params(args, name=None, expr=None, nowrap=1, expand=None, leaves=None, header=None, footer=None, branches=None, branches_expr=None, sort=None, reverse=1, skip_unauthorized=1, id=None, single=1, url=None, icon_mi=None, icon_pl=None, # opened_decoration=None, # closed_decoration=None, # childless_decoration=None, assume_children=1, urlparam=None) has_key=args.has_key if has_key('') or has_key('name') or has_key('expr'): name,expr=name_param(args,'tree',1) if expr is not None: args['expr']=expr elif has_key(''): args['name']=name else: name='a tree tag' if has_key('branches_expr'): if has_key('branches'): raise ParseError, _tm( 'branches and and branches_expr given', 'tree') args['branches_expr']=VSEval.Eval( args['branches_expr'], expr_globals).eval elif not has_key('branches'): args['branches']='tpValues' if not has_key('id'): args['id']='tpId' if not has_key('url'): args['url']='tpURL' if not has_key('childless_decoration'): args['childless_decoration']='' self.__name__ = name self.section=section.blocks self.args=args def render(self,md): args=self.args have=args.has_key if have('name'): v=md[args['name']] elif have('expr'): v=args['expr'].eval(md) else: v=md.this return tpRender(v,md,self.section, self.args) __call__=render String.commands['tree']=Tree pyid=id # Copy builtin def tpRender(self, md, section, args, simple_type={type(''):0, type(1):0, type(1.0):0}.has_key): """Render data organized as a tree. We keep track of open nodes using a cookie. The cookie stored the tree state. State should be a tree represented like: [] # all closed ['eagle'], # eagle is open ['eagle'], ['jeep', [1983, 1985]] # eagle, jeep, 1983 jeep and 1985 jeep where the items are object ids. The state will be converted to a compressed and base64ed string that gets unencoded, uncompressed, and evaluated on the other side. Note that ids used in state need not be connected to urls, since state manipulation is internal to rendering logic. Note that to make eval safe, we do not allow the character '*' in the state. """ data=[] idattr=args['id'] if hasattr(self, idattr): id=getattr(self, idattr) if not simple_type(type(id)): id=id() elif hasattr(self, '_p_oid'): id=oid(self) else: id=pyid(self) try: # see if we are being run as a sub-document root=md['tree-root-url'] url=md['tree-item-url'] state=md['tree-state'] diff=md['tree-diff'] substate=md['-tree-substate-'] colspan=md['tree-colspan'] level=md['tree-level'] except KeyError: # OK, we are a top-level invocation level=-1 if md.has_key('collapse_all'): state=[id,[]], elif md.has_key('expand_all'): have_arg=args.has_key if have_arg('branches'): def get_items(node, branches=args['branches'], md=md): validate=md.validate if validate is None or not hasattr(node, 'aq_acquire'): items=getattr(node, branches) else: items=node.aq_acquire(branches, validate, md) return items() elif have_arg('branches_expr'): def get_items(node, branches_expr=args['branches_expr'], md=md): md._push(InstanceDict(node, md)) items=branches_expr(md) md._pop() return items state=[id, tpValuesIds(self, get_items, args)], else: if md.has_key('tree-s'): state=md['tree-s'] state=decode_seq(state) try: if state[0][0] != id: state=[id,[]], except IndexError: state=[id,[]], else: state=[id,[]], if md.has_key('tree-e'): diff=decode_seq(md['tree-e']) apply_diff(state, diff, 1) if md.has_key('tree-c'): diff=decode_seq(md['tree-c']) apply_diff(state, diff, 0) colspan=tpStateLevel(state) substate=state diff=[] url='' root=md['URL'] l=rfind(root,'/') if l >= 0: root=root[l+1:] treeData={'tree-root-url': root, 'tree-colspan': colspan, 'tree-state': state } md._push(InstanceDict(self, md)) md._push(treeData) try: tpRenderTABLE(self,id,root,url,state,substate,diff,data,colspan, section,md,treeData, level, args) finally: md._pop(2) if state is substate and not (args.has_key('single') and args['single']): state=state or ([id],) state=encode_seq(state) md['RESPONSE'].setCookie('tree-s',state) return join(data,'') def tpRenderTABLE(self, id, root_url, url, state, substate, diff, data, colspan, section, md, treeData, level=0, args=None, simple_type={type(''):0, type(1):0, type(1.0):0}.has_key, ): "Render a tree as a table" have_arg=args.has_key exp=0 if level >= 0: urlattr=args['url'] if urlattr and hasattr(self, urlattr): tpUrl=getattr(self, urlattr) if not simple_type(type(tpUrl)): tpUrl=tpUrl() url = (url and ('%s/%s' % (url, tpUrl))) or tpUrl root_url = root_url or tpUrl treeData['tree-item-url']=url treeData['tree-level']=level treeData['tree-item-expanded']=0 idattr=args['id'] output=data.append items=None if (have_arg('assume_children') and args['assume_children'] and substate is not state): # We should not compute children unless we have to. # See if we've been asked to expand our children. for i in range(len(substate)): sub=substate[i] if sub[0]==id: exp=i+1 break if not exp: items=1 if items is None: validate=md.validate if have_arg('branches') and hasattr(self, args['branches']): if validate is None or not hasattr(self, 'aq_acquire'): items=getattr(self, args['branches']) else: items=self.aq_acquire(args['branches'],validate,md) items=items() elif have_arg('branches_expr'): items=args['branches_expr'](md) if not items and have_arg('leaves'): items=1 if items and items != 1: if validate is not None: unauth=[] index=0 for i in items: try: v=validate(items,items,None,i,md) except: v=0 if not v: unauth.append(index) index=index+1 if unauth: if have_arg('skip_unauthorized') and args['skip_unauthorized']: items=list(items) unauth.reverse() for i in unauth: del items[i] else: raise ValidationError, unauth if have_arg('sort'): # Faster/less mem in-place sort if type(items)==type(()): items=list(items) sort=args['sort'] size=range(len(items)) for i in size: v=items[i] k=getattr(v,sort) try: k=k() except: pass items[i]=(k,v) items.sort() for i in size: items[i]=items[i][1] if have_arg('reverse'): items=list(items) # Copy the list items.reverse() diff.append(id) _td_colspan='<TD COLSPAN="%s" NOWRAP></TD>' _td_single ='<TD WIDTH="16" NOWRAP></TD>' sub=None if substate is state: output('<TABLE CELLSPACING="0">\n') sub=substate[0] exp=items else: # Add prefix output('<TR>\n') # Add +/- icon if items: if level: if level > 3: output(_td_colspan % (level-1)) elif level > 1: output(_td_single * (level-1)) output(_td_single) output('\n') output('<TD WIDTH="16" VALIGN="TOP" NOWRAP>') for i in range(len(substate)): sub=substate[i] if sub[0]==id: exp=i+1 break #################################### # Mostly inline encode_seq for speed s=compress(str(diff)) if len(s) > 57: s=encode_str(s) else: s=b2a_base64(s)[:-1] l=find(s,'=') if l >= 0: s=s[:l] s=translate(s, tplus) #################################### script=md['SCRIPT_NAME'] # Propagate extra args through tree. if args.has_key( 'urlparam' ): param = args['urlparam'] param = "%s&" % param else: param = "" if exp: treeData['tree-item-expanded']=1 if args.has_key('icon_mi') and (args['icon_mi'] != None): output('<A NAME="%s" HREF="%s?%stree-c=%s#%s">' '<IMG SRC="%s%s" ALT="-" BORDER=0></A>' % (id, root_url, param, s, id, script, self.absolute_url() + '/' + args['icon_mi'])) else: output('<A NAME="%s" HREF="%s?%stree-c=%s#%s">' '<IMG SRC="%s/p_/mi" ALT="-" BORDER=0></A>' % (id, root_url, param, s, id, script)) else: if args.has_key('icon_pl') and (args['icon_pl'] != None): output('<A NAME="%s" HREF="%s?%stree-e=%s#%s">' '<IMG SRC="%s%s" ALT="+" BORDER=0></A>' % (id, root_url, param, s, id, script, self.absolute_url() + '/' + args['icon_pl'])) else: output('<A NAME="%s" HREF="%s?%stree-e=%s#%s">' '<IMG SRC="%s/p_/pl" ALT="+" BORDER=0></A>' % (id, root_url, param, s, id, script)) output('</TD>\n') else: if level > 2: output(_td_colspan % level) elif level > 0: output(_td_single * level) output(_td_single) output('\n') # add item text dataspan=colspan-level output('<TD%s%s VALIGN="TOP" ALIGN="LEFT">' % ((dataspan > 1 and (' COLSPAN="%s"' % dataspan) or ''), (have_arg('nowrap') and args['nowrap'] and ' NOWRAP' or '')) ) output(render_blocks(section, md)) output('</TD>\n</TR>\n') if exp: level=level+1 dataspan=colspan-level if level > 2: h=_td_colspan % level elif level > 0: h=_td_single * level else: h='' if have_arg('header'): doc=args['header'] if md.has_key(doc): doc=md.getitem(doc,0) else: doc=None if doc is not None: output(doc( None, md, standard_html_header=( '<TR>%s<TD WIDTH="16" NOWRAP></TD>' '<TD%s VALIGN="TOP">' % (h, (dataspan > 1 and (' COLSPAN="%s"' % dataspan) or ''))), standard_html_footer='</TD></TR>', )) if items==1: # leaves if have_arg('leaves'): doc=args['leaves'] if md.has_key(doc): doc=md.getitem(doc,0) else: doc=None if doc is not None: treeData['-tree-substate-']=sub treeData['tree-level']=level md._push(treeData) try: output(doc( None,md, standard_html_header=( '<TR>%s<TD WIDTH="16" NOWRAP></TD>' '<TD%s VALIGN="TOP">' % (h, (dataspan > 1 and (' COLSPAN="%s"' % dataspan) or ''))), standard_html_footer='</TD></TR>', )) finally: md._pop(1) elif have_arg('expand'): doc=args['expand'] if md.has_key(doc): doc=md.getitem(doc,0) else: doc=None if doc is not None: treeData['-tree-substate-']=sub treeData['tree-level']=level md._push(treeData) try: output(doc( None,md, standard_html_header=( '<TR>%s<TD WIDTH="16" NOWRAP></TD>' '<TD%s VALIGN="TOP">' % (h, (dataspan > 1 and (' COLSPAN="%s"' % dataspan) or ''))), standard_html_footer='</TD></TR>', )) finally: md._pop(1) else: __traceback_info__=sub, args, state, substate ids={} for item in items: if hasattr(item, idattr): id=getattr(item, idattr) if not simple_type(type(id)): id=id() elif hasattr(item, '_p_oid'): id=oid(item) else: id=pyid(item) if len(sub)==1: sub.append([]) substate=sub[1] ids[id]=1 md._push(InstanceDict(item,md)) try: data=tpRenderTABLE( item,id,root_url,url,state,substate,diff,data, colspan, section, md, treeData, level, args) finally: md._pop() if not sub[1]: del sub[1] ids=ids.has_key for i in range(len(substate)-1,-1): if not ids(substate[i][0]): del substate[i] if have_arg('footer'): doc=args['footer'] if md.has_key(doc): doc=md.getitem(doc,0) else: doc=None if doc is not None: output(doc( None, md, standard_html_header=( '<TR>%s<TD WIDTH="16" NOWRAP></TD>' '<TD%s VALIGN="TOP">' % (h, (dataspan > 1 and (' COLSPAN="%s"' % dataspan) or ''))), standard_html_footer='</TD></TR>', )) del diff[-1] if not diff: output('</TABLE>\n') return data def apply_diff(state, diff, expand): if not diff: return s=[None, state] diff.reverse() __traceback_info__=s, diff while diff: id=diff[-1] del diff[-1] if len(s)==1: s.append([]) s=s[1] loc=-1 for i in range(len(s)): if s[i][0]==id: loc=i break if loc >= 0: if not diff and not expand: del s[loc] else: s=s[loc] elif diff or expand: s.append([id,[]]) s=s[-1][1] while diff: id=diff[-1] del diff[-1] if diff or expand: s.append([id,[]]) s=s[-1][1] def encode_seq(state): "Convert a sequence to an encoded string" state=compress(str(state)) l=len(state) if l > 57: states=[] for i in range(0,l,57): states.append(b2a_base64(state[i:i+57])[:-1]) state=join(states,'') else: state=b2a_base64(state)[:-1] l=find(state,'=') if l >= 0: state=state[:l] state=translate(state, tplus) return state def encode_str(state): "Convert a sequence to an encoded string" l=len(state) if l > 57: states=[] for i in range(0,l,57): states.append(b2a_base64(state[i:i+57])[:-1]) state=join(states,'') else: state=b2a_base64(state)[:-1] l=find(state,'=') if l >= 0: state=state[:l] state=translate(state, tplus) return state def decode_seq(state): "Convert an encoded string to a sequence" state=translate(state, tminus) l=len(state) if l > 76: states=[] j=0 for i in range(l/76): k=j+76 states.append(a2b_base64(state[j:k])) j=k if j < l: state=state[j:] l=len(state) k=l%4 if k: state=state+'='*(4-k) states.append(a2b_base64(state)) state=join(states,'') else: l=len(state) k=l%4 if k: state=state+'='*(4-k) state=a2b_base64(state) state=decompress(state) if find(state,'*') >= 0: raise 'Illegal State', state try: return list(eval(state,{'__builtins__':{}})) except: return [] def tpStateLevel(state, level=0): for sub in state: if len(sub)==2: level = max(level, 1+tpStateLevel(sub[1])) else: level=max(level,1) return level def tpValuesIds(self, get_items, args, simple_type={type(''):0, type(1):0, type(1.0):0}.has_key, ): # get_item(node) is a function that returns the subitems of node # This should build the ids of subitems which are # expandable (non-empty). Leaves should never be # in the state - it will screw the colspan counting. r=[] idattr=args['id'] try: try: items=get_items(self) except AttributeError: items=() for item in items: try: if get_items(item): if hasattr(item, idattr): id=getattr(item, idattr) if not simple_type(type(id)): id=id() elif hasattr(item, '_p_oid'): id=oid(item) else: id=pyid(item) e=tpValuesIds(item, get_items, args) if e: id=[id,e] else: id=[id] r.append(id) except: pass except: pass return r def oid(self): return b2a_base64(str(self._p_oid))[:-1] #icoSpace='<IMG SRC="Blank_icon" BORDER="0">' #icoPlus ='<IMG SRC="Plus_icon" BORDER="0">' #icoMinus='<IMG SRC="Minus_icon" BORDER="0">'