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unit TestXMLReaderUnit;
{$mode objfpc}{$H+}
interface
uses
SysUtils, LazFileUtils, LazUTF8, Forms, EditBtn, StdCtrls, Buttons,
ComCtrls, ExtCtrls, DOM, XMLRead;
type
{ TXMLReaderForm }
TXMLReaderForm = class(TForm)
BitBtn1: TBitBtn;
Edit1: TEdit;
Edit2: TEdit;
FileNameEdit1: TFileNameEdit;
Label1: TLabel;
Label2: TLabel;
Label3: TLabel;
ListView1: TListView;
Panel1: TPanel;
Panel2: TPanel;
Splitter1: TSplitter;
TreeView1: TTreeView;
procedure BitBtn1Click(Sender: TObject);
procedure FormClose(Sender: TObject; var CloseAction: TCloseAction);
procedure FormCreate(Sender: TObject);
procedure TreeView1Click(Sender: TObject);
private
FDoc: TXMLDocument;
procedure ParseDoc;
public
end;
var
XMLReaderForm: TXMLReaderForm;
implementation
{ TXMLReaderForm }
procedure TXMLReaderForm.BitBtn1Click(Sender: TObject);
begin
if Assigned(FDoc) then
FreeAndNil(FDoc);
if FileExistsUTF8(FileNameEdit1.FileName) then
ReadXMLFile(FDoc, UTF8ToSys(FileNameEdit1.FileName));
if Assigned(FDoc) then
ParseDoc;
end;
procedure TXMLReaderForm.FormClose(Sender: TObject; var CloseAction: TCloseAction);
begin
if Assigned(FDoc) then
FDoc.Free;
end;
procedure TXMLReaderForm.FormCreate(Sender: TObject);
begin
if ParamCount > 0 then
begin
FileNameEdit1.FileName:=ParamStrUTF8(1);
BitBtn1Click(nil);
end;
TreeView1Click(nil);
end;
procedure TXMLReaderForm.TreeView1Click(Sender: TObject);
var
Node:TDOMNode;
Item:TListItem;
i:Integer;
begin
Edit1.Text:='';
Edit2.Text:='';
if not Assigned(TreeView1.Selected) then exit;
Node:=TDOMNode(TreeView1.Selected.Data);
if not Assigned(Node) then exit;
Edit1.Text:=Node.NodeName;
Edit2.Text:=Node.NodeValue;
ListView1.BeginUpdate;
ListView1.Items.Clear;
if Assigned(Node.Attributes) then
for i:=0 to Node.Attributes.Length-1 do
begin
Item:=ListView1.Items.Add;
Item.Caption:=Node.Attributes[i].NodeName;
Item.SubItems.Add(Node.Attributes[i].NodeValue);
end;
ListView1.EndUpdate;
end;
procedure TXMLReaderForm.ParseDoc;
procedure DoFill(AOwner:TTreeNode; Node:TDOMNode);
var
i: integer;
AItem:TTreeNode;
begin
if not Assigned(Node) then exit;
for i:=0 to Node.ChildNodes.Count - 1 do
begin
AItem:=TreeView1.Items.AddChild(AOwner, Node.ChildNodes[i].NodeName);
AItem.Data:=Node.ChildNodes[i];
if not Assigned(TreeView1.Selected) then
TreeView1.Selected:=AItem;
DoFill(AItem, Node.ChildNodes[i]);
end;
end;
begin
TreeView1.Selected:=nil;
TreeView1.Items.BeginUpdate;
TreeView1.Items.Clear;
DoFill(nil, FDoc);
TreeView1.Items.EndUpdate;
TreeView1Click(nil);
end;
{$R *.lfm}
end.
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