Source code of file oscpmwin/openpicdlg.pas from the
osCommerce Product Manager for Windows.
0000: {%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
0001: osCommerce Product Manager for Windows (oscpmwin).
0002: 0003:
0004: You can contact Mario A. Valdez-Ramirez
0005: by email at mario@mariovaldez.org or paper mail at
0006: Olmos 809, San Nicolas, NL. 66495, Mexico.
0007:
0008: This program is free software; you can redistribute it and/or modify
0009: it under the terms of the GNU General Public License as published by
0010: the Free Software Foundation; either version 2 of the License, or (at
0011: your option) any later version.
0012:
0013: This program is distributed in the hope that it will be useful, but
0014: WITHOUT ANY WARRANTY; without even the implied warranty of
0015: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
0016: General Public License for more details.
0017:
0018: You should have received a copy of the GNU General Public License
0019: along with this program; if not, write to the Free Software
0020: Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
0021: %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%}
0022: unit openpicdlg;
0023:
0024: interface
0025:
0026: USES
0027: Dialogs, StdCtrls, ExtCtrls, Classes, Graphics;
0028:
0029: TYPE
0030:
0031: opmT_OpenPictureDialog = CLASS (TOpenDialog)
0032: PRIVATE
0033: opm_Panel_OPD_Preview : TPanel;
0034: opm_Panel_OPD_CtrlPreview : TPanel;
0035: opm_Panel_OPD_ImgPreview : TPanel;
0036: opm_Label_OPD_PictureData1 : TLabel;
0037: opm_Image_OPD_Preview : TImage;
0038: opm_CheckBox_OPD_AllowPreview : TCheckBox;
0039: opm_OPD_Filename : STRING;
0040: opm_OPD_AllowPreview : BOOLEAN;
0041: PROTECTED
0042: PROCEDURE AllowPreviewClick (Sender: TObject); VIRTUAL;
0043: PROCEDURE DoSelectionChange; OVERRIDE;
0044: PROCEDURE DoShow; OVERRIDE;
0045: PROPERTY ImageCtrl: TImage READ opm_Image_OPD_Preview;
0046: PROPERTY PictureData1: TLabel READ opm_Label_OPD_PictureData1;
0047: PUBLISHED
0048: PROPERTY Filter;
0049: PUBLIC
0050: CONSTRUCTOR Create(AOwner: TComponent); OVERRIDE;
0051: FUNCTION Execute: Boolean; OVERRIDE;
0052: END;
0053:
0054: implementation
0055:
0056: uses Math, Forms, Controls, SysUtils, Windows;
0057:
0058: {$R OPENPICDLG.RES}
0059:
0060:
0061: {%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%}
0062: {%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%}
0063: CONSTRUCTOR opmT_OpenPictureDialog.Create (AOwner: TComponent);
0064: BEGIN
0065: INHERITED Create (AOwner);
0066: Filter := GraphicFilter (TGraphic);
0067: opm_OPD_AllowPreview := TRUE;
0068:
0069: opm_Panel_OPD_Preview := TPanel.Create (SELF);
0070: opm_Panel_OPD_Preview.Name := 'opm_Panel_OPD_Preview';
0071: opm_Panel_OPD_Preview.Caption := '';
0072: opm_Panel_OPD_Preview.BorderStyle := bsNone;
0073: opm_Panel_OPD_Preview.BevelInner := bvNone;
0074: opm_Panel_OPD_Preview.BevelOuter := bvNone;
0075: opm_Panel_OPD_Preview.SetBounds (204, 5, 169, 200);
0076: opm_Panel_OPD_Preview.Align := alClient;
0077:
0078: opm_Panel_OPD_CtrlPreview := TPanel.Create (SELF);
0079: opm_Panel_OPD_CtrlPreview.Name := 'opm_Panel_OPD_CtrlPreview';
0080: opm_Panel_OPD_CtrlPreview.Caption := '';
0081: opm_Panel_OPD_CtrlPreview.BorderStyle := bsNone;
0082: opm_Panel_OPD_CtrlPreview.BevelInner := bvRaised;
0083: opm_Panel_OPD_CtrlPreview.BevelOuter := bvLowered;
0084: opm_Panel_OPD_CtrlPreview.SetBounds (0, 0, 160, 80);
0085: opm_Panel_OPD_CtrlPreview.Align := alTop;
0086: opm_Panel_OPD_CtrlPreview.Parent := opm_Panel_OPD_Preview;
0087:
0088: opm_Panel_OPD_ImgPreview := TPanel.Create (SELF);
0089: opm_Panel_OPD_ImgPreview.Name := 'opm_Panel_OPD_ImgPreview';
0090: opm_Panel_OPD_ImgPreview.Caption := '';
0091: opm_Panel_OPD_ImgPreview.BorderStyle := bsNone;
0092: opm_Panel_OPD_ImgPreview.BevelInner := bvRaised;
0093: opm_Panel_OPD_ImgPreview.BevelOuter := bvLowered;
0094: opm_Panel_OPD_ImgPreview.SetBounds (0, 80, 160, 20);
0095: opm_Panel_OPD_ImgPreview.Align := alClient;
0096: opm_Panel_OPD_ImgPreview.Parent := opm_Panel_OPD_Preview;
0097:
0098: opm_Label_OPD_PictureData1 := TLabel.Create (SELF);
0099: opm_Label_OPD_PictureData1.Name := 'opm_Label_OPD_PictureData1';
0100: opm_Label_OPD_PictureData1.Caption := '';
0101: opm_Label_OPD_PictureData1.SetBounds (5, 5, 154, 60);
0102: opm_Label_OPD_PictureData1.AutoSize := FALSE;
0103: opm_Label_OPD_PictureData1.WordWrap := TRUE;
0104: opm_Label_OPD_PictureData1.Parent := opm_Panel_OPD_CtrlPreview;
0105:
0106: opm_CheckBox_OPD_AllowPreview := TCheckBox.Create (SELF);
0107: opm_CheckBox_OPD_AllowPreview.Caption := 'Preview';
0108: opm_CheckBox_OPD_AllowPreview.Checked := TRUE;
0109: opm_CheckBox_OPD_AllowPreview.SetBounds (5, 60, 154, 18);
0110: opm_CheckBox_OPD_AllowPreview.OnClick := AllowPreviewClick;
0111: opm_CheckBox_OPD_AllowPreview.Parent := opm_Panel_OPD_CtrlPreview;
0112:
0113: opm_Image_OPD_Preview := TImage.Create (SELF);
0114: opm_Image_OPD_Preview.Name := 'opm_Image_OPD_Preview';
0115: opm_Image_OPD_Preview.Align := alClient;
0116: opm_Image_OPD_Preview.Proportional := TRUE;
0117: opm_Image_OPD_Preview.Stretch := TRUE;
0118: opm_Image_OPD_Preview.Center := TRUE;
0119: opm_Image_OPD_Preview.IncrementalDisplay := TRUE;
0120: opm_Image_OPD_Preview.ShowHint := FALSE;
0121: opm_Image_OPD_Preview.Parent := opm_Panel_OPD_ImgPreview;
0122: END;
0123:
0124:
0125: {%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%}
0126: {%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%}
0127: PROCEDURE opmT_OpenPictureDialog.DoSelectionChange;
0128: VAR
0129: FileRecord : TSearchRec;
0130: BEGIN
0131: Application.HideHint;
0132: IF (Filename <> opm_OPD_Filename) THEN
0133: BEGIN
0134: opm_OPD_Filename := Filename;
0135: opm_Image_OPD_Preview.Picture := NIL;
0136: opm_Label_OPD_PictureData1.Caption := '';
0137: IF (FileExists (opm_OPD_Filename) AND (GetFileAttributes (PCHAR (opm_OPD_Filename)) <> $FFFFFFFF)) THEN
0138: TRY
0139: IF (opm_OPD_AllowPreview = TRUE) THEN
0140: BEGIN
0141: opm_Image_OPD_Preview.Picture.LoadFromFile (opm_OPD_Filename);
0142: opm_Label_OPD_PictureData1.Caption := INTTOSTR (opm_Image_OPD_Preview.Picture.Width) + ' x ' +
0143: INTTOSTR (opm_Image_OPD_Preview.Picture.Height) + #13#10;
0144: END;
0145: IF (SysUtils.FINDFIRST (opm_OPD_Filename, faAnyFile, FileRecord) = 0) THEN
0146: BEGIN
0147: opm_Label_OPD_PictureData1.Caption := opm_Label_OPD_PictureData1.Caption +
0148: FLOATTOSTR (ROUNDTO ((FileRecord.Size / 1024), -1)) + ' kb' +
0149: #13#10 + FileRecord.Name;
0150: SysUtils.FINDCLOSE (FileRecord);
0151: END;
0152: EXCEPT
0153: opm_Image_OPD_Preview.Picture := NIL;
0154: opm_Label_OPD_PictureData1.Caption := '';
0155: END;
0156: END;
0157: INHERITED DoSelectionChange;
0158: end;
0159:
0160:
0161: {%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%}
0162: {%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%}
0163: PROCEDURE opmT_OpenPictureDialog.AllowPreviewClick (Sender: TObject);
0164: BEGIN
0165: opm_Image_OPD_Preview.Picture := NIL;
0166: opm_OPD_AllowPreview := opm_CheckBox_OPD_AllowPreview.Checked;
0167: END;
0168:
0169:
0170: {%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%}
0171: {%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%}
0172: PROCEDURE opmT_OpenPictureDialog.DoShow;
0173: VAR
0174: PreviewRect, StaticRect: TRect;
0175: BEGIN
0176: GetClientRect (Handle, PreviewRect);
0177: StaticRect := GetStaticRect;
0178: PreviewRect.Left := StaticRect.Left + (StaticRect.Right - StaticRect.Left);
0179: INC (PreviewRect.Top, 3);
0180: INC (PreviewRect.Left, 3);
0181: DEC (PreviewRect.Bottom, 18);
0182: DEC (PreviewRect.Right, 3);
0183: opm_Panel_OPD_Preview.BoundsRect := PreviewRect;
0184: opm_Panel_OPD_Preview.ParentWindow := Handle;
0185: opm_Image_OPD_Preview.Picture := NIL;
0186: opm_Label_OPD_PictureData1.Caption := '';
0187: opm_OPD_Filename := '';
0188: inherited DoShow;
0189: END;
0190:
0191:
0192: {%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%}
0193: {%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%}
0194: FUNCTION opmT_OpenPictureDialog.Execute : BOOLEAN;
0195: BEGIN
0196: Template := 'OPMOPENPICDLG';
0197: Execute := INHERITED Execute;
0198: END;
0199:
0200:
0201: end.
