Please check below some a tag link in there I want to receive bosWDC5M1C8oeVu, DaleyBlind_fan, jkjinc1 like this 3word with show this in my listbox or textbox.
#bosWDC5M1C8oeVu
#DaleyBlind_fan
#jkjinc1
www.stackoverflow.com
In my textbox or listbox show line process.
bosWDC5M1C8oeVu
DaleyBlind_fan
jkjinc1
see this code not received data in my listbox what I am want.
HtmlElementCollection bColl = webBrowser1.Document.GetElementsByTagName("a");
foreach (HtmlElement bEl in bColl)
{
if (bEl.GetAttribute("data-aria-label-part") != null)
listBox1.Items.Add(bEl.GetAttribute("href"));
}
this code I am getting all href link but I need only my detection line what I am want.
You are not formatting your if statement correctly (you forgot the curly brackets). Try this code:
HtmlElementCollection bColl = webBrowser1.Document.GetElementsByTagName("a");
foreach (HtmlElement bEl in bColl)
{
if (bEl.GetAttribute("data-aria-label-part") != null) {
listBox1.Items.Add(bEl.GetAttribute("href"));
}
}
Note the { after != null) and the } after ("href"));.
I hope this helps.
Related
Are there good solution to reset text formatting (e.g. bold) after press Space button for QTextEdit?
Example of case:
boldText notBoldText // After press Space button text is not bold anymore
For example, I can use QWidget::eventFilter(...) and check inside
if (key == Qt::Key_Space) { ... }
But it looks bad.
It's how I set formatting now:
QTextCursor cursor = textCursor();
if (!cursor.hasSelection())
return;
QTextCharFormat fmt;
fmt.setFontWeight(cursor.charFormat().font().bold() ? QFont::Normal : QFont::DemiBold);
cursor.mergeCharFormat(format);
mergeCurrentCharFormat(format);
I need to Delete All the records in a list applet by a button clicked method. In order to achieve this, I have added a button to the list applet with "DeleteAllRecords" method and added a script to BC PreInvokeMethod function as below. Once clicked on the button all the records will get deleted, but the applet won't get refreshed. How Can I achieve that?
try
{
if(MethodName == "DeleteAllRecords")
{
var EmpBO = TheApplication().GetBusObject("XXXX");
var EmpBC = EmpBO.GetBusComp("XXXX");
with(EmpBC)
{
SetViewMode(AllView);
ActivateField("EmployeeID");
ClearToQuery();
SetSearchExpr("[XXXX] <> ' '");
ExecuteQuery(ForwardOnly);
var Frecord = FirstRecord();
while(Frecord)
{
Frecord = DeleteRecord();
Frecord = FirstRecord();
}
}
//BC.InvokeMethod("RefreshBuscomp");
return (CancelOperation);
}
}
catch(e)
{
throw(e);
}
finally
{
EmpBO = null;
EmpBC = null;
}
return (ContinueOperation);
You could try a few things.
1: A simple null query in the end after all deletions are done. ClearToQuery() and ExecuteQuery();
2: There is a BC method for RefreshBusComp (check documentation) which can be used with InvokeMethod(). Does pretty much the same thing as 1. I see you already tried it and probably did not work.
3: There are Business services which can refresh applets , like FINS Teller UI navigation.
4: You could also try a null query in browserscript/javascript, put that in InvokeMethod, so that it runs after the BC escript. Genb has to be run to generate bscripts.
One of these should work .
I am using C++ Builder 6. I have a TreeList with two columns and a TrzEdit and a Search Button. I want to find the item which i will type in the Edit field once i type something in the box. How can I display it?
void __fastcall TMainForm::BtnSearchClick(TObject *Sender)
{
for (TcxTreeListNode* node = TreeList->TopNode ; node != NULL; node = node->GetNext())
{
String value = node->Values[PropertyName->ItemIndex];
if ( value == Search->Text.c_str())
{
ShowMessage("Foundit");
}
}
}
Can someone please give an insight on how to do this? It works so far. I want to display all the items which matches the query keyword (even partialy)
I can find help with the new builder, but not the old one which i am using.
Is it possible with Tcxtreelist to make a node 'Visible' once a condition is matched and then mak eit invisible once the edit box is cleared. Does such functionality exists?
I am using Qt's QSyntaxHighlighter to color some C like syntax in a QML TextEdit
Everything works great except for multiline comments.
I am detecting them this way :
void highlightBlock(QString const& text) override {
bool inMultilineComment = previousBlockState() == STATES::COMMENT;
bool inSingleLineComment = false;
int previousIndex = 0;
QRegularExpression expr("(\\/\\*|\\*\\/|\\/\\/|\n)"); // will match either /**, /**, // or \n
QRegularExpressionMatchIterator it = expr.globalMatch(text);
while(it.hasNext()) {
QRegularExpressionMatch match = it.next();
const QString captured = match.captured(1);
if(captured == "/*" && !inSingleLineComment) {
inMultilineComment = true;
previousIndex = match.capturedStart(1);
}
if(captured == "*/" && inMultilineComment) {
inMultilineComment = false;
setFormat(previousIndex, match.capturedEnd(1) - previousIndex, _commentFormat);
}
if(captured == "//" && !inMultilineComment) {
inSingleLineComment = true;
}
if(captured == "\n" && inSingleLineComment) {
inSingleLineComment = false;
}
}
if(inMultilineComment) {
setFormat(previousIndex, text.size() - previousIndex, _commentFormat);
setCurrentBlockState(STATES::COMMENT);
}
else {
setCurrentBlockState(STATES::NONE);
}
}
It works until I take a multiline comment already colored and I remove the /* at the begining. Only the block that contains the /* is processed and recolored, but not the following ones, which means that they continue to appear commented when they are not.
Is there an easy way to tell QSyntaxHighlighter to re-process the following blocks to prevent such mis-colorations ?
I ran into this same problem recently and discovered that Qt actually should be handling this for you, assuming that you set your blockState correctly.
If you look at the sourceCode for QSyntaxHighlighterPrivate::reformatBlocks in the Qt5 source code, you'll see
while (block.isValid() && (block.position() < endPosition || forceHighlightOfNextBlock)) {
const int stateBeforeHighlight = block.userState();
reformatBlock(block);
forceHighlightOfNextBlock = (block.userState() != stateBeforeHighlight);
block = block.next();
}
retrieved from https://code.woboq.org/qt5/qtbase/src/gui/text/qsyntaxhighlighter.cpp.html#165
That code (which is fired by a contentsChange signal from the QTextDocument your highlighter is on) will iterate through each block (line) starting from the block that was just modified. Assuming that the state of the block changed based on the typing change that just happened, it will continue to process the following blocks. This means that you need to get your userState correct for every line and Qt should handle the rest.
Given the example
/*
* This is a comment
*
* That I made
*/
You would want to start in the condition where every line had the STATES::COMMENT set except for the last line which should be set to STATES::NONE. Once you do something like deleting the initial /* you need to make sure that the block state is reset to STATES::NONE. That will trigger Qt to rerun the next block, which will also need to change its state, etc.
In my (python) code, I ended up using a combination of print statements and real debugging to track the propagation of state changes and figured out where it was not correctly updating and breaking the chain of updates. Your code looks superficially correct, though I did not try to compile and run it, but I suspect there is a some case being triggered where the state is not being updated correctly after an edit.
The code below does not highlight the search term when it is found. In fact the cursor disappears from the QPlainTextEdit (called ui->Editor) after pressing the 'next' button. What's causing it?
void TextEditor::findNextInstanceOfSearchTerm()
{
QString searchTerm = this->edtFind->text();
if(this->TextDocument == NULL)
{
this->TextDocument = ui->Editor->document();
}
QTextCursor documentCursor(this->TextDocument);
documentCursor = this->TextDocument->find(searchTerm,documentCursor);
if(!documentCursor.isNull())
{
documentCursor.select(QTextCursor::WordUnderCursor);
}else
{
ui->statusbar->showMessage("\""+searchTerm+"\" could not be found",MESSAGE_DURATION);
}
}
Firstly, your code creates a new cursor at the beginning of the document each time you press the next button, so you will always search from the beginning. Secondly, you must understand that the cursor you manipulate has nothing to do with the one in your QPlainTextEdit: you manipulate a copy. If you want to impact the text edit, you must modify its cursor using setTextCursor. Here is a working solution:
void TextEditor::findNextInstanceOfSearchTerm()
{
QString searchTerm = this->edtFind->text();
if(this->TextDocument == NULL)
{
this->TextDocument = ui->Editor->document();
}
// get the current cursor
QTextCursor documentCursor = ui->Editor->textCursor();
documentCursor = this->TextDocument->find(searchTerm,documentCursor);
if(!documentCursor.isNull())
{
// needed only if you want the entire word to be selected
documentCursor.select(QTextCursor::WordUnderCursor);
// modify the text edit cursor
ui->Editor->setTextCursor(documentCursor);
}
else
{
ui->statusbar->showMessage(
"\""+searchTerm+"\" could not be found",MESSAGE_DURATION);
}
}
As a side note, you might want to know that QPlainTextEdit provides a find method, so this might be an easier way to achieve what you want:
void TextEditor::findNextInstanceOfSearchTerm()
{
QString searchTerm = this->edtFind->text();
bool found = ui->Editor->find(searchTerm);
if (found)
{
QTextCursor cursor = ui->Editor->textCursor();
cursor.select(QTextCursor::WordUnderCursor);
ui->Editor->setTextCursor(cursor);
}
else
{
// set message in status bar
}
}
Use QTextCursor::EndOfWord
Use QPlainTextEdit::setExtraSelections to select/highlight something in QPlainTextEdit
Simply you already have cursor that would highlight word, but you didn't apply it to text edit