// /**
//  * Copyright (c) 2011-2018 by Andrew Mustun. All rights reserved.
//  * 
//  * This file is part of the QCAD project.
//  *
//  * QCAD 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.
//  *
//  * QCAD 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 QCAD.
//  */

// /**
//  * \defgroup ecma_block Block Tools
//  * \ingroup ecma_scripts
//  *
//  * \brief This module contains ECMAScript implementations of
//  * block related tools.
//  */
// include("scripts/EAction.js");
// include("scripts/Widgets/BlockList/BlockList.js");

// /**
//  * \class Block
//  * \ingroup ecma_block
//  * \brief Base class for block tools.
//  */
// function Block(guiAction) {
//     EAction.call(this, guiAction);
// }

// Block.prototype = new EAction();
// Block.includeBasePath = includeBasePath;

// Block.prototype.beginEvent = function() {
//     EAction.prototype.beginEvent.call(this);

//     if (!isNull(this.getGuiAction()) && this.getGuiAction().objectName==="BlockToolsPanelAction") {
//         EAction.showCadToolBarPanel("BlockToolsPanel");
//         this.terminate();
//     }
// };

// Block.getMenu = function() {
//     var menu = EAction.getMenu(Block.getTitle(), "BlockMenu");
//     menu.setProperty("scriptFile", Block.includeBasePath + "/Block.js");
//     return menu;
// };

// Block.getToolBar = function() {
//     var tb = EAction.getToolBar(Block.getTitle(), "BlockToolBar");
//     tb.visible = false;
//     return tb;
// };

// Block.getCadToolBarPanel = function() {
//     var mtb = EAction.getMainCadToolBarPanel();
//     var actionName = "BlockToolsPanelAction";
//     if (!isNull(mtb) && mtb.findChild(actionName)==undefined) {
//         var action = new RGuiAction(qsTr("Block Tools"), mtb);
//         action.setScriptFile(Block.includeBasePath + "/Block.js");
//         action.objectName = actionName;
//         action.setRequiresDocument(true);
//         action.setIcon(Block.includeBasePath + "/Block.svg");
//         //action.setStatusTip(qsTr("Show block tools"));
//         action.setDefaultShortcut(new QKeySequence("w,b"));
//         action.setNoState();
//         action.setDefaultCommands(["blockmenu"]);
//         action.setGroupSortOrder(60);
//         action.setSortOrder(100);
//         action.setWidgetNames(["!MainToolsPanel"]);
//     }

//     var tb = EAction.getCadToolBarPanel(
//         Block.getTitle(),
//         "BlockToolsPanel",
//         true
//     );
//     return tb;
// };

// Block.getToolMatrixPanel = function() {
//     RSettings.setValue("Block/VisibleInMatrixPanel", false, false);
//     return EAction.getToolMatrixPanel(Block.getTitle(), "BlockMatrixPanel", 8000);
// };

// Block.getTitle = function() {
//     return qsTr("&Block");
// };

// Block.prototype.getTitle = function() {
//     return Block.getTitle();
// };

// Block.init = function() {
//     Block.getMenu();
//     Block.getToolBar();
//     Block.getCadToolBarPanel();
//     Block.getToolMatrixPanel();
// };

// /**
//  * \return The ID of the block that is currently highlighted (selected) in
//  * the block list. This is usually not that block that is currently being edited.
//  */
// Block.getActiveBlockId = function() {
//     var blockList = EAction.getMainWindow().findChild("BlockList");
//     if (isNull(blockList)) {
//         return RObject.INVALID_ID;
//     }

//     var list = blockList.selectedItems();
//     if (list.length === 0) {
//         return RObject.INVALID_ID;
//     }

//     var item = list[0];
//     if (isNull(item)) {
//         return RObject.INVALID_ID;
//     }

//     var document = EAction.getDocument();
//     if (isNull(document)) {
//         return RObject.INVALID_ID;
//     }

//     var blockId = document.getBlockId(item.data(BlockList.colName, Qt.UserRole));

//     return blockId;
// };

// Block.showHide = function(show, action, blockId) {
//     var op = new RModifyObjectsOperation();
//     op.setText(action.getToolTitle());
//     var blocks = action.getDocument().queryAllBlocks();
//     for (var b = 0; b < blocks.length; ++b) {
//         var block = action.getDocument().queryBlock(blocks[b]);
//         if (blocks[b] !== blockId) {
//             block.setFrozen(!show);
//         } else {
//             block.setFrozen(false);
//         }
//         op.addObject(block);
//     }
//     var di = action.getDocumentInterface();
//     di.applyOperation(op);
//     di.clearPreview();
//     di.repaintViews();
// };

// /**
//  * Makes the given block the one that is being edited. This method
//  * stores / restores the zoom and zoom offset per block.
//  */
// Block.prototype.editBlock = function(blockName) {
//     var di = this.getDocumentInterface();
//     //var doc = this.getDocument();
//     //var views = this.getGraphicsViews();

//     Block.editBlock(di, blockName);
// };

// Block.editBlock = function(di, blockName) {
//     var doc = di.getDocument();
//     var views = EAction.getGraphicsViews(di);

//     var i, view, blockZoom;

//     if (doc.isEditingWorkingSet()) {
//         EAction.handleUserWarning(qsTr("Cannot edit block while editing a block in-place"));
//         return;
//     }

//     // store offset and zoom factor of all views in a map blockId -> [factor, offset vector]:
//     var blockId = doc.getCurrentBlockId();
//     for (i=0; i<views.length; i++) {
//         view = views[i];

//         if (!isFunction(view.property)) {
//             continue;
//         }

//         blockZoom = view.property("blockZoom");
//         if (isNull(blockZoom)) {
//             blockZoom = new Object();
//         }

//         blockZoom[blockId] = [view.getFactor(), view.getOffset()];
//         view.setProperty("blockZoom", blockZoom);
//         //print("stored zoom for block: ", blockId, ", view: ", i, ", factor: ", view.getFactor());
//     }

//     // change current block that is being edited:
//     di.setCurrentBlock(blockName);

//     // restore offset and zoom factor for all views:
//     blockId = doc.getCurrentBlockId();
//     for (i=0; i<views.length; i++) {
//         view = views[i];

//         if (!isFunction(view.property)) {
//             continue;
//         }

//         blockZoom = view.property("blockZoom");
//         if (isNull(blockZoom)) {
//             view.autoZoom(-1, true);
//             continue;
//         }

//         if (isNull(blockZoom[blockId]) || blockZoom[blockId].length!==2) {
//             view.autoZoom(-1, true);
//         }
//         else {
//             view.setFactor(blockZoom[blockId][0]);
//             view.setOffset(blockZoom[blockId][1]);
//             //print("restored zoom for block: ", blockId, ", view: ", i, ", factor: ", view.getFactor());
//         }
//     }
// };