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This property editor has been designed to get round two limitations of the standard Delphi string property editor.
The enhanced property editor works with every string or TCaption property. It adds an ellipsis button to the right hand side of the data entry area in the object inspector. Clicking this button displays a dialog box in which the property's value can be entered. Pressing return in the dialog box starts a new line. There is no practical limit to the length of strings that can be entered.
Clicking OK (or pressing Ctrl+Return) causes the entered text to be assigned to the property. Any new lines will be displayed in the object inspector as pairs of vertical bars or empty squares, depending on the Delphi version.
The edit dialog is resizable. Word wrapping can be switched on or off. Both the word-wrapping and dialog box size and position are persistent.
Load and Save buttons are provided in the dialog box to enable the property's value to be loaded from, or saved to a file.
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The property editor compiles and works with all versions of Delphi from Delphi 4. It has been tested with Delphi 4, 6, 7 and 2006.
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The Extended String Property Editor and its readme file are supplied in a zip file. Before installing you need to extract all the files from the zip file, preserving the directory structure. The following files will be extracted:
PJStringPE.pas
– property editor
source code.
PJStringPE.dfm
– property editor
form file.
ReadMe.htm
– this file.
ChangeLog.txt
– change log.
You can now proceed to install the property editor. Installation methods
vary between Delphi versions, so follow the instructions that apply to your
version below. Note that $(DELPHI)
represents
the path where the appropriate version of Delphi was installed. Similarly
$(BDS)
refers to the installation path of a
version of the Borland Development System.
The property editor must be installed into a Delphi Win32 design package. It
is assumed that you will be installing into an existing package. You may
decide to install into the "user" package:
$(BDS)\Lib\dclusr.dpk
.
Borland Studio
Projects
or $(BDS)\lib
folders.
PJStringPE.pas
and PJStringPE.dfm
to the
chosen installation folder.
.bpl
extension. Right click the package's entry and
select Add to display the Add dialog box.
Enter the full path to PJStringPE.pas
in the
Unit file name edit box (use the Browse button
to navigate to the file). Click OK to add the property
editor to the package.
PJStringPE.pas
appears under the package's
Contains node. If so, right click the package's entry
again and select Compile. The property editor will now
be installed and available for use.
PJStringPE.pas
from the
chosen installation folder.
The property editor must be installed into a design package. It is assumed
that you will be installing into an existing package. You may wish to use
the "user" package named dclusr.dpk
or
dclusrXX.dpk
(where XX
is a version number). This
package can be found in $(DELPHI)\Lib
. For Delphi 6 and later
ensure that the package "requires" designide.pas
.
$(DELPHI)\lib
folder.
PJStringPE.pas
and PJStringPE.dfm
to the
chosen installation folder.
PJStringPE.pas
in the Unit file
name edit box (use the adjacent Browse button to
navigate to the file). Choose the required package from the
Package description combo box, or by navigating to the
package using Browse. Click OK to confirm your
selections.
PJStringPE.pas
from the
chosen installation folder.
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A complete change log is provided in a text file that is included in the download.
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This source code is subject to the Mozilla Public License Version 1.1 (the "License"); you may not use this program except in compliance with the License. You may obtain a copy of the License at http://www.mozilla.org/MPL/.
Software distributed under the License is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for the specific language governing rights and limitations under the License.
The Original Code is PJStringPE.pas (Extended String Property Editor).
The Initial Developer of the Original Code is Peter Johnson (http://www.delphidabbler.com/).
Portions created by the Initial Developer are Copyright © 2004-2005 Peter Johnson. All Rights Reserved.
All relevant trademarks are acknowledged.
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I'm Peter Johnson – a hobbyist programmer living in Ceredigion in West Wales, UK, writing write mainly in Delphi. My programs are available for download from: http://www.delphidabbler.com/.