snippetscompletion.cpp 4.71 KiB
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#include "snippetscompletion.h"
#include "snippetswindow.h"
#include "snippetspec.h"
#include "snippetsplugin.h"
#include <texteditor/itexteditable.h>
#include <QtCore/QDebug>
#include <QtCore/QMap>
#include <QtGui/QAction>
#include <QtGui/QKeyEvent>
using namespace Snippets::Internal;
const QIcon SnippetsCompletion::m_fileIcon = QIcon(":/snippets/images/file.png");
SnippetsCompletion::SnippetsCompletion(QObject *parent)
: ICompletionCollector(parent)
{
m_core = SnippetsPlugin::core();
m_snippetsWnd = SnippetsPlugin::snippetsWindow();
updateCompletions();
}
SnippetsCompletion::~SnippetsCompletion()
{
qDeleteAll(m_autoCompletions.values());
m_autoCompletions.clear();
}
void SnippetsCompletion::updateCompletions()
{
qDeleteAll(m_autoCompletions.values());
m_autoCompletions.clear();
int index = 0;
foreach (SnippetSpec *spec, m_snippetsWnd->snippets()) {
if (!spec->completionShortcut().isEmpty()) {
TextEditor::CompletionItem *item = new TextEditor::CompletionItem;
item->m_key = spec->name();
item->m_collector = this;
item->m_index = index;
item->m_relevance = 0;
m_autoCompletions.insert(spec->completionShortcut(), item);
++index;
}
}
}
bool SnippetsCompletion::triggersCompletion(TextEditor::ITextEditable *editor)
{
QString currentWord = editor->textAt(editor->position() - 3, 3);
currentWord = currentWord.trimmed();
return currentWord.length() == 2 && m_autoCompletions.contains(currentWord) &&
!editor->characterAt(editor->position() - 1).isSpace();
}
int SnippetsCompletion::startCompletion(TextEditor::ITextEditable *editor)
{
m_editor = editor;
m_startPosition = findStartOfName(m_editor);
return m_startPosition;
}
void SnippetsCompletion::completions(QList<TextEditor::CompletionItem *> *completions)
{
const int length = m_editor->position() - m_startPosition;
if (length >= 2) {
QString key = m_editor->textAt(m_startPosition, length);
foreach (TextEditor::CompletionItem* item, m_autoCompletions.values()) {
if (item->m_key.startsWith(key, Qt::CaseInsensitive)) {
(*completions) << item;
}
}
}
}
QString SnippetsCompletion::text(TextEditor::CompletionItem *item) const
{
const SnippetSpec *spec = m_snippetsWnd->snippets().at(item->m_index);
return spec->name();
}
QString SnippetsCompletion::details(TextEditor::CompletionItem *item) const
{
const SnippetSpec *spec = m_snippetsWnd->snippets().at(item->m_index);
return spec->description();
}
QIcon SnippetsCompletion::icon(TextEditor::CompletionItem *) const
{
return m_fileIcon;
}
void SnippetsCompletion::complete(TextEditor::CompletionItem *item)
{
SnippetSpec *spec = m_snippetsWnd->snippets().at(item->m_index);
int length = m_editor->position() - m_startPosition;
m_editor->setCurPos(m_startPosition);
m_editor->remove(length);
m_snippetsWnd->insertSnippet(m_editor, spec);
}
bool SnippetsCompletion::partiallyComplete()
{
return false;
}
void SnippetsCompletion::cleanup()
{
}
int SnippetsCompletion::findStartOfName(const TextEditor::ITextEditor *editor)
{
int pos = editor->position() - 1;
QChar chr = editor->characterAt(pos);
// Skip to the start of a name
while (!chr.isSpace() && !chr.isNull())
chr = editor->characterAt(--pos);
return pos + 1;
}