DIRECTORY
Atom USING [ GetProp, PutProp ],
FinchSmarts USING [ PlaceCall ],
FinchTool USING [ CheckActive, FeepValue, finchQueue, finchToolHandle, Report, Status ],
FS USING [ ComponentPositions, Error, ExpandName, FileInfo ],
Icons USING [ IconFlavor, NewIconFromFile ],
IO,
MBQueue USING [QueueClientAction],
NodeProps USING [ GetProp, PutProp ],
Rope,
TEditDocument USING [ TEditDocumentData ],
TextNode USING [ Ref, StepForward ],
Thrush USING [ Rname ],
TiogaButtons USING [ CreateButtonFromNode, CreateViewer, FindTiogaButton, GetRope, LoadViewer, TextNodeRef, TiogaButton, TiogaButtonProc, TiogaOpsRef ],
TiogaOps USING [ Ref, Root, SetSelection ],
UserProfile USING [ CallWhenProfileChanges, ProfileChangedProc, Token ],
ViewerClasses USING [ Column, Viewer, ViewerRec ],
ViewerEvents USING [ EventProc, EventRegistration, RegisterEventProc, UnRegisterEventProc ],
ViewerOps USING [ AddProp, FetchProp, DestroyViewer ],
ViewerTools USING [ SetContents ],
VoiceUtils USING [ Registrize ]
;

FinchDirectoryImpl: CEDAR PROGRAM
IMPORTS Atom, Rope, FinchSmarts, FinchTool, FS, Icons, IO, MBQueue, NodeProps, TextNode, TiogaButtons, TiogaOps, UserProfile, ViewerEvents, ViewerOps, ViewerTools, VoiceUtils
EXPORTS FinchTool = {
OPEN FinchTool, IO;

Rname: TYPE = Thrush.Rname;
ROPE: TYPE = Rope.ROPE;
Viewer: TYPE = ViewerClasses.Viewer;

labelledDirectoryIcon: Icons.IconFlavor _ tool;

DirectoryInstance: TYPE = REF DirectoryInstanceBody;
DirectoryInstanceBody: TYPE = RECORD [
rName: Rope.ROPE_NIL,
name: Rope.ROPE_NIL,
number: Rope.ROPE_NIL,
homeNumber: Rope.ROPE_NIL,
remarks: Rope.ROPE _ NIL,
where: Where _ office, -- Oh, for closures!
filled: BOOL_FALSE
];

Where: TYPE = { office, home };

DirectoryButtonNotifier: TiogaButtons.TiogaButtonProc = {
button: TiogaButtons.TiogaButton _ NARROW[parent];
directoryInstance: DirectoryInstance; 
SelectEntryInDirectory[button];
directoryInstance _ IF button.clientData = NIL THEN
(button.clientData _ NEW[DirectoryInstanceBody _ []]) ELSE NARROW[button.clientData];
IF control OR mouseButton = red THEN RETURN;
directoryInstance.where _ SELECT mouseButton FROM blue=>home, ENDCASE=>office;
MBQueue.QueueClientAction[finchQueue, DirectoryButton, button];
};

SelectEntryInDirectory: PROC[button: TiogaButtons.TiogaButton] = {
root: TiogaOps.Ref = TiogaOps.Root[button.startLoc.node];
v: ViewerClasses.Viewer =
NARROW[NodeProps.GetProp[TiogaButtons.TextNodeRef[root], $Viewer]];
IF v=NIL THEN ERROR;
TiogaOps.SetSelection[
viewer: v, start: [button.startLoc.node, 0],
end: [button.endLoc.node, TiogaButtons.GetRope[button].Length[]],
level: node, which: feedback ];
}; 

DirectoryButton: PROC[r: REF ANY] = {
button: TiogaButtons.TiogaButton = NARROW[r];
directoryInstance: DirectoryInstance _ FillDirectoryInstance[button];
CallNumber[directoryInstance, directoryInstance.where];
};

CallByDescription: PUBLIC PROC[description: ROPE, residence: BOOL] = {
rName: ROPE_NIL;
instance: DirectoryInstance;
number: ROPE_NIL;
IF description#NIL AND description.Length#0 THEN
SELECT description.Fetch[0] FROM
IN ['A..'Z], IN ['a..'z] => rName _ description;
ENDCASE => number _ description;
IF rName # NIL THEN
IF residence AND (finchToolHandle.directories=NIL) THEN
FinchTool.Report["No directory viewer is open, so residence can't be found"] 
ELSE 
FOR dL: LIST OF ViewerClasses.Viewer _ finchToolHandle.directories, dL.rest WHILE dL#NIL DO
instance _ FindNamedInstance[dL.first, rName];
IF instance#NIL THEN EXIT;
ENDLOOP;
IF instance # NIL THEN CallNumber[instance, IF residence THEN home ELSE office]
ELSE IF residence THEN FinchTool.Report["Residence number not found"]
ELSE IF FinchTool.CheckActive[FinchTool.finchToolHandle] THEN
FinchSmarts.PlaceCall[rName: rName, number: FinchTool.FeepValue[number]];
};

FindNamedInstance: PROC[v: Viewer, name: Rope.ROPE]
RETURNS [ instance: DirectoryInstance_NIL ] = {
rName: Rope.ROPE = VoiceUtils.Registrize[name];
root: TextNode.Ref;
IF v=NIL THEN RETURN;
root _ NARROW[v.data, TEditDocument.TEditDocumentData].text;
FOR node: TextNode.Ref _ TextNode.StepForward[root], TextNode.StepForward[node] WHILE node#NIL DO
button: TiogaButtons.TiogaButton =
TiogaButtons.FindTiogaButton[v, [TiogaButtons.TiogaOpsRef[node], 0]];
instance: DirectoryInstance = IF button=NIL THEN NIL
ELSE FillDirectoryInstance[button];
IF instance=NIL THEN LOOP;
IF ~rName.Equal[s2: instance.rName, case: FALSE] AND
~instance.name.Find[s2: name, case: FALSE]>=0 THEN LOOP;
SelectEntryInDirectory[button];
RETURN[instance];
ENDLOOP;
};

CallNumber: PROC[instance: DirectoryInstance, where: Where] = { 
name, number: Rope.ROPE;
IF instance=NIL OR ~FinchTool.CheckActive[FinchTool.finchToolHandle] THEN RETURN;
name _ IF instance.rName#NIL THEN instance.rName ELSE instance.name;
number _ IF where=home THEN instance.homeNumber ELSE instance.number;
IF where=home AND Rope.Equal[number,""] THEN {
FinchTool.Status[IO.PutFR["No home number for %s", rope[name]]];
}
ELSE {
contents: ROPE _ name;
FinchTool.Status[IO.PutFR["Placing call to %s (%s)", rope[name], rope[number]]];
IF where=home THEN contents _ contents.Concat[" at home"];
ViewerTools.SetContents[finchToolHandle.calledPartyText, contents];
FinchSmarts.PlaceCall[rName: name, number: FinchTool.FeepValue[number], useNumber: where=home];
};
};

RebuildDirectories: UserProfile.ProfileChangedProc = {
IF reason#firstTime AND finchToolHandle#NIL AND finchToolHandle.directories#NIL
THEN BuildDirectories[];
};

BuildDirectories: PUBLIC PROC = {
defaultFiles: Rope.ROPE = "User.TDir";
stream: IO.STREAM;
directoryFiles: Rope.ROPE _
UserProfile.Token[key: "FinchTelephoneDirectory", default: defaultFiles];
IF directoryFiles = defaultFiles THEN directoryFiles _ 
UserProfile.Token[key: "Finch.TelephoneDirectory", default: "User.TDir"];
stream _ IO.RIS[directoryFiles];
UNTIL IO.EndOf[stream] DO
nextDirectoryFile: Rope.ROPE _ IO.GetLineRope[stream];
IF NOT Rope.Equal[nextDirectoryFile,""] THEN BuildDirectoryDisplayer[nextDirectoryFile];
ENDLOOP;
};

DestroyDirectories: PUBLIC PROC = {
IF finchToolHandle = NIL THEN RETURN;
FOR dL: LIST OF ViewerClasses.Viewer _ finchToolHandle.directories, dL.rest WHILE dL#NIL DO
ViewerOps.DestroyViewer[dL.first];
ENDLOOP;
finchToolHandle.directories _ NIL;
};

BuildDirectoryDisplayer: PROC[directoryFile: Rope.ROPE, newOK: BOOL_TRUE] = {
root: TextNode.Ref;
lastDir: LIST OF ViewerClasses.Viewer _ NIL;
msV: ViewerClasses.Viewer _ NIL;
nameWOVersion: Rope.ROPE _ NameWithoutVersion[directoryFile];
baseName: Rope.ROPE _ BaseName[directoryFile];
fullName: Rope.ROPE;
IF nameWOVersion=NIL THEN RETURN;
fullName _ FS.FileInfo[name: nameWOVersion!
FS.Error=>
IF error.code=$unknownFile OR error.code=$illegalName THEN CONTINUE].fullFName;
IF finchToolHandle = NIL THEN RETURN;
FOR dL: LIST OF ViewerClasses.Viewer _ finchToolHandle.directories, dL.rest WHILE dL#NIL DO
lastDir _ dL;
IF nameWOVersion.Equal[s2: NameWithoutVersion[dL.first.file], case: FALSE] THEN {
msV _ dL.first;
IF fullName.Equal[dL.first.file, FALSE] THEN RETURN ELSE EXIT;
};
ENDLOOP;
IF msV=NIL THEN {
IF ~newOK THEN RETURN;
msV_ TiogaButtons.CreateViewer[
info: [name: Rope.Concat["Telephone Directory: ", fullName], column: left,
menu: NIL, iconic: FALSE, icon: labelledDirectoryIcon, label: baseName]];
ViewerOps.AddProp[msV, $DestroyRegistration,
ViewerEvents.RegisterEventProc[HandleViewerDestroy, destroy, msV, TRUE]];
IF finchToolHandle.directories = NIL THEN
Atom.PutProp[$FinchRegistrations, $SaveRegistration, ViewerEvents.RegisterEventProc[
proc: HandleViewerChange, event: save, filter: $Text, before: FALSE]];
IF lastDir#NIL THEN lastDir.rest _ LIST[msV] ELSE finchToolHandle.directories _ LIST[msV];
}
ELSE msV.name _ Rope.Concat["Telephone Directory: ", fullName];
TiogaButtons.LoadViewer[msV, fullName];
root _ NARROW[msV.data, TEditDocument.TEditDocumentData].text;
NodeProps.PutProp[root, $Viewer, msV]; -- since Button procs don't get you to the viewer.
FOR node: TextNode.Ref _ TextNode.StepForward[root], TextNode.StepForward[node] WHILE node#NIL DO
commentProp: REF BOOL _ NARROW[NodeProps.GetProp[node, $Comment]];
IF commentProp#NIL AND commentProp^ THEN LOOP;
[]_TiogaButtons.CreateButtonFromNode[
node: TiogaButtons.TiogaOpsRef[node], proc: DirectoryButtonNotifier, fork: FALSE];
ENDLOOP;
};

NameWithoutVersion: PROC [shortName: Rope.ROPE] RETURNS [fullNameWithoutVersion: Rope.ROPE] = {
cp: FS.ComponentPositions;
[fullNameWithoutVersion, cp, ] _ FS.ExpandName[shortName, "///"!
FS.Error => IF error.code = $illegalName THEN CONTINUE];
IF fullNameWithoutVersion = NIL THEN RETURN;
IF cp.ver.length # 0 THEN
fullNameWithoutVersion _ fullNameWithoutVersion.Substr[len: cp.ver.start-1];
};

BaseName: PROC [longName: Rope.ROPE] RETURNS [shortName: Rope.ROPE] = {
cp: FS.ComponentPositions;
fullName: Rope.ROPE;
[fullName, cp, ] _ FS.ExpandName[longName !
FS.Error => IF error.code = $illegalName THEN CONTINUE];
IF fullName = NIL THEN RETURN;
shortName _ fullName.Substr[start: cp.base.start, len: cp.base.length];
IF cp.ext.length # 0 THEN
shortName _ Rope.Cat[shortName, ".", fullName.Substr[start: cp.ext.start, len: cp.ext.length]];
};

HandleViewerDestroy: ViewerEvents.EventProc = {
lastDir: LIST OF ViewerClasses.Viewer_NIL;
eR: ViewerEvents.EventRegistration;
IF event#destroy OR finchToolHandle=NIL THEN RETURN;
FOR dL: LIST OF ViewerClasses.Viewer _ finchToolHandle.directories, dL.rest WHILE dL#NIL DO
IF dL.first = viewer THEN {
r: REF = ViewerOps.FetchProp[dL.first, $DestroyRegistration];
IF r#NIL THEN ViewerEvents.UnRegisterEventProc[NARROW[r], destroy];
IF lastDir=NIL THEN finchToolHandle.directories _ dL.rest ELSE lastDir.rest _ dL.rest;
EXIT;
};
lastDir _ dL;
ENDLOOP;
IF finchToolHandle.directories #NIL THEN RETURN;
eR _ NARROW[Atom.GetProp[$FinchRegistrations, $SaveRegistration]];
IF eR#NIL THEN ViewerEvents.UnRegisterEventProc[eR, save];
};

HandleViewerChange: ViewerEvents.EventProc = {
lastDir: LIST OF ViewerClasses.Viewer_NIL;
IF event#save THEN RETURN;
MBQueue.QueueClientAction[finchQueue, AvoidLockup, viewer];
};

AvoidLockup: PROC[r: REF ANY] = {
viewer: ViewerClasses.Viewer = NARROW[r];
BuildDirectoryDisplayer[directoryFile: viewer.file, newOK: FALSE];
};

FillDirectoryInstance: PROC [button: TiogaButtons.TiogaButton]
RETURNS[instance: DirectoryInstance] = {
entry: Rope.ROPE = TiogaButtons.GetRope[button];
entryStream: IO.STREAM = IO.RIS[entry];
rnameStart, rnameEnd: INT;
instance _ NARROW[button.clientData];
IF instance=NIL THEN {
instance _ NEW[DirectoryInstanceBody_[]]; button.clientData _ instance; };
IF instance.filled THEN RETURN;
instance.filled _ TRUE;
IF entry=NIL THEN RETURN;
instance.name _ ToTab[entryStream];
instance.number _ ToTab[entryStream];
instance.homeNumber _ ToTab[entryStream];
instance.remarks _ ToTab[entryStream];
rnameStart _ instance.name.Find["<"];
IF rnameStart<0 THEN RETURN;
rnameEnd _ instance.name.Find[">", rnameStart];
instance.rName _
VoiceUtils.Registrize[instance.name.Substr[rnameStart+1, rnameEnd-rnameStart-1]];
};

ToTab: PROC[s: IO.STREAM] RETURNS [field: Rope.ROPE_NIL] = {
ToTabProc: IO.BreakProc = {
RETURN[IF char=IO.TAB OR char=IO.CR THEN sepr ELSE other]; };
field _ s.GetTokenRope[ToTabProc ! IO.EndOfStream=> CONTINUE;].token;
IF field.Equal["*"] THEN field_NIL;
};


UserProfile.CallWhenProfileChanges[proc: RebuildDirectories];

labelledDirectoryIcon _ Icons.NewIconFromFile["Finch.icons", 13];
}.



ŠFinchDirectoryImpl.mesa
Copyright c 1985, 1986 by Xerox Corporation.  All rights reserved.
Last Edited by: Swinehart, May 19, 1986 9:15:35 am PDT
Last Edited by: Pier, April 26, 1984 3:42:46 pm PST
Polle Zellweger (PTZ) October 15, 1985 4:07:32 pm PDT
Types and Typeoids

Selecting, Placing calls

[parent: REF ANY, clientData: REF ANY _ NIL, 
mouseButton: Menus.MouseButton _ red, shift: BOOL _ FALSE, control: BOOL _ FALSE]
Check these for new Cedar interp.
For each node that's a button, fill if necessary, then examine.
This should launch the call
Creating, Maintaining Directories

[reason: UserProfile.ProfileChangeReason]
If file is unknown, it will be rediscovered later and complained about.
(That's reasonable, since in general a document can be displayed in multiple viewers.)
For each non-comment node, make it into a button.  Maybe later, distinguish levels.
[viewer: ViewerClasses.Viewer, event: ViewerEvents.ViewerEvent, before: BOOL] RETURNS [abort: BOOL _ FALSE]
When a file's saved we look at all our directories, so we only need one save registration.
We kill it here when all directories go away so that a new Finch.bcd won't find one in place.
[viewer: ViewerClasses.Viewer, event: ViewerEvents.ViewerEvent, before: BOOL] RETURNS [abort: BOOL _ FALSE]
If directory icon is closed (fer sherr) and at other times (probably) the attempt to reload the directory viewer will run into a column lock that we're holding right here.  Even though the first mention of locks in ViewerEvents says explicitly that there ain't no such problem!  So we use finchQueue to avoid forking off all sorts of totally unsynchronized rebuilding actions.
Initialization
Swinehart, September 6, 1985 7:24:20 am PDT
Eliminate Call, CallHome viewer buttons in favor of select-operations only.
Check Finch active before trying calls, in more places.  Clean up treatment of "at home" and all that.  Use more care in updating called-party field of Finch tool.
changes to: BuildDirectoryMenu
Swinehart, September 8, 1985 10:54:14 pm PDT
Use TiogaButtons.  Eliminate column-formatting (user must do it).  Eliminate Answer, New Directory.  Put each user directory in different viewer, keep track of them for search.  Search in User-profile order.
Register with:
User profile for changes
Rollback to update if changed
Destroy to remove from list
changes to: FinchDirectoryImpl, directoryIcon, directories, DirectoryInstanceBody, Where, PhoneFromSelection, MakeSelected, CallByDescription, FindNamedInstance, CallNumber, NewDirProc, ClearDirectoryWindowButtons, BuildLine (local of BuildDirectoryWindowButtons), BuildDirectoryWindowButtons, BuildDirectoryDisplayer, BuildDirectoryDisplayer, DirectoryButtonNotifier, SelectEntryInDirectory, ToTab, ToTabProc (local of ToTab), DIRECTORY, BuildDirectoryDisplayer

Swinehart, September 16, 1985 10:12:14 am PDT
Lots of error checks for system-uninitialized problems.
changes to: RebuildDirectories, DestroyDirectories, BuildDirectoryDisplayer, HandleViewerDestroy, AvoidLockup, UserProfile
Polle Zellweger (PTZ) October 15, 1985 4:00:39 pm PDT
Change to directory icon labelled with the short name of the directory file.
changes to: labelledDirectoryIcon (def), BuildDirectoryDisplayer, NameWithoutVersion (renamed from BaseName), BaseName (new function), labelledDirectoryIcon (initialization)
Swinehart, May 19, 1986 9:15:13 am PDT
Cedar 6.1
changes to: DIRECTORY, FinchDirectoryImpl, FindNamedInstance, FillDirectoryInstance

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