--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/historyDialog.cpp Wed May 08 15:19:06 2013 +0300
@@ -0,0 +1,283 @@
+/*
+ * LDForge: LDraw parts authoring CAD
+ * Copyright (C) 2013 Santeri Piippo
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "historyDialog.h"
+#include "history.h"
+#include "colors.h"
+#include <qboxlayout.h>
+#include <qmessagebox.h>
+
+EXTERN_ACTION (undo);
+EXTERN_ACTION (redo);
+
+// =============================================================================
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+// =============================================================================
+HistoryDialog::HistoryDialog (QWidget* parent, Qt::WindowFlags f) : QDialog (parent, f) {
+ historyList = new QListWidget;
+ undoButton = new QPushButton ("Undo");
+ redoButton = new QPushButton ("Redo");
+ clearButton = new QPushButton ("Clear");
+ buttons = new QDialogButtonBox (QDialogButtonBox::Close);
+
+ historyList->setAlternatingRowColors (true);
+
+ undoButton->setIcon (getIcon ("undo"));
+ redoButton->setIcon (getIcon ("redo"));
+
+ connect (undoButton, SIGNAL (clicked ()), this, SLOT (slot_undo ()));
+ connect (redoButton, SIGNAL (clicked ()), this, SLOT (slot_redo ()));
+ connect (clearButton, SIGNAL (clicked ()), this, SLOT (slot_clear ()));
+ connect (buttons, SIGNAL (rejected ()), this, SLOT (reject ()));
+ connect (historyList, SIGNAL (itemSelectionChanged ()), this, SLOT (slot_selChanged ()));
+
+ QVBoxLayout* qButtonLayout = new QVBoxLayout;
+ qButtonLayout->setDirection (QBoxLayout::TopToBottom);
+ qButtonLayout->addWidget (undoButton);
+ qButtonLayout->addWidget (redoButton);
+ qButtonLayout->addWidget (clearButton);
+ qButtonLayout->addStretch ();
+
+ QGridLayout* qLayout = new QGridLayout;
+ qLayout->setColumnStretch (0, 1);
+ qLayout->addWidget (historyList, 0, 0, 2, 1);
+ qLayout->addLayout (qButtonLayout, 0, 1);
+ qLayout->addWidget (buttons, 1, 1);
+
+ setLayout (qLayout);
+ setWindowIcon (getIcon ("history"));
+ setWindowTitle (APPNAME " - Edit history");
+
+ populateList ();
+ updateButtons ();
+ updateSelection ();
+}
+
+// =============================================================================
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+// =============================================================================
+void HistoryDialog::populateList () {
+ historyList->clear ();
+
+ QListWidgetItem* qItem = new QListWidgetItem;
+ qItem->setText ("[[ initial state ]]");
+ qItem->setIcon (getIcon ("empty"));
+ historyList->addItem (qItem);
+
+ for (HistoryEntry* entry : History::entries ()) {
+ str text;
+ QIcon entryIcon;
+
+ switch (entry->type ()) {
+ case HISTORY_Add:
+ {
+ AddHistory* subentry = static_cast<AddHistory*> (entry);
+ ulong count = subentry->paObjs.size ();
+ str verb = "Added";
+
+ switch (subentry->eType) {
+ case AddHistory::Paste:
+ verb = "Pasted";
+ entryIcon = getIcon ("paste");
+ break;
+
+ default:
+ {
+ // Determine a common type for these objects. If all objects are of the same
+ // type, we display its addition icon. Otherwise, we draw a subfile addition
+ // one as a default.
+ LDObject::Type eCommonType = LDObject::Unidentified;
+ for (LDObject* obj : subentry->paObjs) {
+ if (eCommonType == LDObject::Unidentified or obj->getType() == eCommonType)
+ eCommonType = obj->getType ();
+ else {
+ eCommonType = LDObject::Unidentified;
+ break;
+ }
+ }
+
+ // Set the icon based on the common type decided above.
+ if (eCommonType == LDObject::Unidentified)
+ entryIcon = getIcon ("add-subfile");
+ else
+ entryIcon = getIcon (fmt ("add-%s", g_saObjTypeIcons[eCommonType]));
+ }
+ break;
+ }
+
+ text.format ("%s %lu objects\n%s", verb.chars(), count,
+ LDObject::objectListContents (subentry->paObjs).chars());
+ }
+ break;
+
+ case HISTORY_QuadSplit:
+ {
+ QuadSplitHistory* subentry = static_cast<QuadSplitHistory*> (entry);
+ ulong ulCount = subentry->paQuads.size ();
+ text.format ("Split %lu quad%s to triangles", ulCount, PLURAL (ulCount));
+
+ entryIcon = getIcon ("quad-split");
+ }
+ break;
+
+ case HISTORY_Del:
+ {
+ DelHistory* subentry = static_cast<DelHistory*> (entry);
+ ulong count = subentry->cache.size ();
+ str verb = "Deleted";
+ entryIcon = getIcon ("delete");
+
+ switch (subentry->eType) {
+ case DelHistory::Cut:
+ entryIcon = getIcon ("cut");
+ verb = "Cut";
+ break;
+
+ default:
+ break;
+ }
+
+ text.format ("%s %lu objects:\n%s", verb.chars(), count,
+ LDObject::objectListContents (subentry->cache).chars ());
+ }
+ break;
+
+ case HISTORY_SetColor:
+ {
+ SetColorHistory* subentry = static_cast<SetColorHistory*> (entry);
+ ulong count = subentry->ulaIndices.size ();
+ text.format ("Set color of %lu objects to %d (%s)", count,
+ subentry->dNewColor, getColor (subentry->dNewColor)->zName.chars());
+
+ entryIcon = getIcon ("palette");
+ }
+ break;
+
+ case HISTORY_ListMove:
+ {
+ ListMoveHistory* subentry = static_cast<ListMoveHistory*> (entry);
+ ulong ulCount = subentry->ulaIndices.size ();
+
+ text.format ("Moved %lu objects %s", ulCount,
+ subentry->bUp ? "up" : "down");
+ entryIcon = getIcon (subentry->bUp ? "arrow-up" : "arrow-down");
+ }
+ break;
+
+ case HISTORY_Edit:
+ {
+ EditHistory* subentry = static_cast<EditHistory*> (entry);
+
+ text.format ("Edited %u objects\n%s",
+ subentry->paNewObjs.size(),
+ LDObject::objectListContents (subentry->paOldObjs).chars ());
+ entryIcon = getIcon ("set-contents");
+ }
+ break;
+
+ case HISTORY_Inline:
+ {
+ InlineHistory* subentry = static_cast<InlineHistory*> (entry);
+
+ text.format ("%s %lu subfiles:\n%lu resultants",
+ (subentry->bDeep) ? "Deep-inlined" : "Inlined",
+ (ulong) subentry->paRefs.size(),
+ (ulong) subentry->ulaBitIndices.size());
+
+ entryIcon = getIcon (subentry->bDeep ? "inline-deep" : "inline");
+ }
+ break;
+
+ default:
+ text = "???";
+ break;
+ }
+
+ QListWidgetItem* item = new QListWidgetItem;
+ item->setText (text);
+ item->setIcon (entryIcon);
+ historyList->addItem (item);
+ }
+}
+
+// =============================================================================
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+// =============================================================================
+void HistoryDialog::slot_undo () {
+ History::undo ();
+ updateButtons ();
+ updateSelection ();
+}
+
+// =============================================================================
+void HistoryDialog::slot_redo () {
+ History::redo ();
+ updateButtons ();
+ updateSelection ();
+}
+
+void HistoryDialog::updateSelection () {
+ historyList->setCurrentItem (historyList->item (History::pos () + 1));
+}
+
+// =============================================================================
+void HistoryDialog::slot_clear () {
+ if (!confirm ("Are you sure you want to clear the edit history?\nThis cannot be undone."))
+ return; // Canceled
+
+ History::clear ();
+ populateList ();
+ updateButtons ();
+}
+
+// =============================================================================
+void HistoryDialog::updateButtons () {
+ undoButton->setEnabled (ACTION (undo)->isEnabled ());
+ redoButton->setEnabled (ACTION (redo)->isEnabled ());
+}
+
+// =============================================================================
+void HistoryDialog::slot_selChanged () {
+ if (historyList->selectedItems ().size () != 1)
+ return;
+
+ QListWidgetItem* qItem = historyList->selectedItems ()[0];
+
+ // Find the index of the edit
+ long lIdx;
+ for (lIdx = 0; lIdx < historyList->count (); ++lIdx)
+ if (historyList->item (lIdx) == qItem)
+ break;
+
+ // qHistoryList is 0-based, History is -1-based, thus decrement
+ // the index now
+ lIdx--;
+
+ if (lIdx == History::pos ())
+ return;
+
+ // Seek to the selected edit by repeadetly undoing or redoing.
+ while (History::pos () != lIdx) {
+ if (History::pos () > lIdx)
+ History::undo ();
+ else
+ History::redo ();
+ }
+
+ updateButtons ();
+}
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