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130 lines
2.5 KiB
Perl
130 lines
2.5 KiB
Perl
package WebminUI::DynamicWait;
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use WebminCore;
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=head2 new WebminUI::DynamicWait(&start-function, [&args])
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A page element indicating that something is happening.
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=cut
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sub new
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{
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my ($self, $func, $args) = @_;
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$self = { 'func' => $func,
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'args' => $args,
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'name' => "dynamic".++$dynamic_count,
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'width' => 80,
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'delay' => 20 };
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bless($self);
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return $self;
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}
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=head2 set_message(text)
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Sets the text describing what we are waiting for
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=cut
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sub set_message
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{
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my ($self, $message) = @_;
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$self->{'message'} = $message;
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}
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sub get_message
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{
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my ($self) = @_;
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return $self->{'message'};
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}
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=head2 html()
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Returns the HTML for the text field used to indicate progress
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=cut
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sub html
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{
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my ($self) = @_;
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my $rv;
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if ($self->get_message()) {
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$rv .= $self->get_message()."<p>\n";
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}
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$rv .= "<form name=form_$self->{'name'}>";
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$rv .= "<input name=$self->{'name'} size=$self->{'width'} disabled=true style='font-family: courier'>";
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$rv .= "</form>";
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return $rv;
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}
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=head2 start()
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Called by the page to begin the progress. Also starts a process to update the
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Javascript text box
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=cut
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sub start
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{
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my ($self) = @_;
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$self->{'pid'} = fork();
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if (!$self->{'pid'}) {
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my $pos = 0;
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while(1) {
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select(undef, undef, undef, $self->{'delay'}/1000.0);
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my $str = (" " x $pos) . ("x" x 10);
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print "<script>window.document.forms[\"form_$self->{'name'}\"].$self->{'name'}.value = \"$str\";</script>\n";
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$pos++;
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$pos = 0 if ($pos == $self->{'width'});
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}
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exit;
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}
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&{$self->{'func'}}($self, @{$self->{'args'}});
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}
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=head2 stop()
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Called back by the function when whatever we were waiting for is done
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=cut
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sub stop
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{
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my ($self) = @_;
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if ($self->{'pid'}) {
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kill('TERM', $self->{'pid'});
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}
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my $str = (" " x ($self->{'width'}/2 - 2)) . "DONE";
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print "<script>window.document.forms[\"form_$self->{'name'}\"].$self->{'name'}.value = \"$str\";</script>\n";
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}
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=head2 set_wait(wait)
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If called with a non-zero arg, generation of the page should wait until this
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the progress is complete. Otherwise, the page will be generated completely before
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the start function is called
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=cut
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sub set_wait
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{
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my ($self, $wait) = @_;
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$self->{'wait'} = $wait;
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}
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sub get_wait
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{
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my ($self) = @_;
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return $self->{'wait'};
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}
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=head2 set_page(WebminUI::Page)
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Called when this dynamic text box is added to a page
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=cut
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sub set_page
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{
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my ($self, $page) = @_;
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$self->{'page'} = $page;
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}
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sub set_width
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{
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my ($self, $width) = @_;
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$self->{'width'} = $width;
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}
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=head2 needs_unbuffered()
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Must return 1 if the page needs to be in un-buffered and no-table mode
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=cut
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sub needs_unbuffered
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{
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return 0;
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}
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1;
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