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/**
*
* Copyright (c) 2011, 2016 - Loetz GmbH&Co.KG (69115 Heidelberg, Germany)
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Christophe Loetz (Loetz GmbH&Co.KG) - initial implementation
*
*
* This copyright notice shows up in the generated Java code
*
*/
package org.eclipse.osbp.xtext.menu.ui.contentassist
import com.google.inject.Inject
import org.eclipse.emf.ecore.EObject
import org.eclipse.jface.viewers.StyledString
import org.eclipse.osbp.xtext.basic.ui.contentassist.BasicDSLProposalProviderHelper
import org.eclipse.osbp.xtext.menu.MenuEntry
import org.eclipse.osbp.xtext.menu.ui.MenuDSLDocumentationTranslator
import org.eclipse.swt.layout.FillLayout
import org.eclipse.swt.widgets.Shell
import org.eclipse.xtext.Assignment
import org.eclipse.xtext.Keyword
import org.eclipse.xtext.RuleCall
import org.eclipse.xtext.common.ui.contentassist.TerminalsProposalProvider
import org.eclipse.xtext.ui.editor.contentassist.ConfigurableCompletionProposal
import org.eclipse.xtext.ui.editor.contentassist.ContentAssistContext
import org.eclipse.xtext.ui.editor.contentassist.ICompletionProposalAcceptor
import org.eclipse.xtext.ui.editor.contentassist.ReplacementTextApplier
import org.mihalis.opal.imageSelector.ImageSelectorDialog
class ImageFileNameTextApplier extends ReplacementTextApplier {
var ContentAssistContext context
var String[] extensions
def setContext(ContentAssistContext context) {
this.context = context
}
def setExtensions(String[] fileExtensions) {
extensions = fileExtensions
}
// this will inject a file dialog when selecting the file picker proposal
override getActualReplacementString(ConfigurableCompletionProposal proposal) {
var display = context.getViewer().getTextWidget().getDisplay();
var shell = new Shell(display);
shell.setLayout(new FillLayout());
var imageSelectorDialog = new ImageSelectorDialog(shell, 16);
imageSelectorDialog.setFilterExtensions(extensions)
var imageFileName = imageSelectorDialog.open(true);
return if (imageFileName !== null) "\"".concat(imageFileName).concat("\"") else "";
}
}
/**
* see http://www.eclipse.org/Xtext/documentation.html#contentAssist on how to customize content assistant
*/
class MenuDslProposalProvider extends AbstractMenuDslProposalProvider {
var imageSelectionPrompt = "Select image file..."
@Inject TerminalsProposalProvider provider
@Inject BasicDSLProposalProviderHelper providerHelper
override protected StyledString getKeywordDisplayString(Keyword keyword) {
return BasicDSLProposalProviderHelper.getKeywordDisplayString(keyword, MenuDSLDocumentationTranslator.instance())
}
/**
* This override will enable 1 length non letter characters as keyword.
*/
override protected boolean isKeywordWorthyToPropose(Keyword keyword) {
return true
}
override completeMenuEntry_Icon(EObject model, Assignment assignment, ContentAssistContext context,
ICompletionProposalAcceptor acceptor) {
imageFilePickerProposal(model, assignment, context, acceptor, ".png")
}
override completeMenuPackage_CollapsedImage(EObject model, Assignment assignment, ContentAssistContext context,
ICompletionProposalAcceptor acceptor) {
imageFilePickerProposal(model, assignment, context, acceptor, ".png")
}
override completeMenuPackage_ExpandedImage(EObject model, Assignment assignment, ContentAssistContext context,
ICompletionProposalAcceptor acceptor) {
imageFilePickerProposal(model, assignment, context, acceptor, ".png")
}
def imageFilePickerProposal(EObject model, Assignment assignment, ContentAssistContext context,
ICompletionProposalAcceptor acceptor, String fileExtensions) {
var fileName = createCompletionProposal(imageSelectionPrompt, context) as ConfigurableCompletionProposal
if (fileName != null) {
var applier = new ImageFileNameTextApplier()
applier.setExtensions(fileExtensions.split(","))
applier.setContext(context)
fileName.setTextApplier = applier
}
acceptor.accept(fileName)
}
/**
* This method decides which proposals will be valid.
*/
override protected boolean isValidProposal(String proposal, String prefix, ContentAssistContext context) {
var result = super.isValidProposal(proposal, prefix, context)
if (context.getCurrentModel() instanceof MenuEntry) {
return isEntryValidProposal(context, proposal, result)
}
return result
}
def isEntryValidProposal(ContentAssistContext context, String proposal, boolean result) {
if (isGrammarToken(proposal)) {
return true
}
return true
}
def isGrammarToken(String proposal) {
if (imageSelectionPrompt.equals(proposal)) {
return true
}
if ("dialog".equals(proposal)) {
return true
}
if ("image".equals(proposal)) {
return true
}
if ("table".equals(proposal)) {
return true
}
if ("perspective".equals(proposal)) {
return true
}
if ("process".equals(proposal)) {
return true
}
if ("showBadge".equals(proposal)) {
return true
}
if ("described by".equals(proposal)) {
return true
}
if ("entry".equals(proposal)) {
return true
}
if ("expandedImage".equals(proposal)) {
return true
}
if ("collapsedImage".equals(proposal)) {
return true
}
if ("width".equals(proposal)) {
return true
}
}
override public void complete_QualifiedName(EObject model, RuleCall ruleCall, ContentAssistContext context,
ICompletionProposalAcceptor acceptor) {
providerHelper.complete_PackageName(model, ruleCall, context, acceptor, this)
}
// override public void complete_MenuQualifiedNameWithWildCard(EObject model, RuleCall ruleCall, ContentAssistContext context,
// ICompletionProposalAcceptor acceptor) {
// providerHelper.complete_PackageName(model, ruleCall, context, acceptor, this)
// }
// ------------------------ delegates to TerminalsProposalProvider -----------------
override public void complete_TRANSLATABLESTRING(EObject model, RuleCall ruleCall, ContentAssistContext context,
ICompletionProposalAcceptor acceptor) {
provider.complete_STRING(model, ruleCall, context, acceptor)
}
override public void complete_TRANSLATABLEID(EObject model, RuleCall ruleCall, ContentAssistContext context,
ICompletionProposalAcceptor acceptor) {
provider.complete_ID(model, ruleCall, context, acceptor)
}
override public void completeMenuPackage_Width(EObject model, Assignment assignment, ContentAssistContext context, ICompletionProposalAcceptor acceptor) {
provider.complete_STRING(model, (assignment.getTerminal() as RuleCall), context, acceptor)
}
}