FBP-73. Show warnings abount unsupported features

bpmn-intellij-plugin-core/src/main/kotlin/com/valb3r/bpmn/intellij/plugin/core/BpmnPluginToolWindow.kt

@@ -1,5 +1,7 @@
 package com.valb3r.bpmn.intellij.plugin.core
 
+import com.intellij.lang.Language
+import com.intellij.notification.NotificationType
 import com.intellij.openapi.application.invokeAndWaitIfNeeded
 import com.intellij.openapi.diagnostic.Logger
 import com.intellij.openapi.editor.Document
@@ -39,7 +41,9 @@ import com.valb3r.bpmn.intellij.plugin.core.render.currentCanvas
 import com.valb3r.bpmn.intellij.plugin.core.render.currentIconProvider
 import com.valb3r.bpmn.intellij.plugin.core.render.uieventbus.ViewRectangleChangeEvent
 import com.valb3r.bpmn.intellij.plugin.core.render.uieventbus.currentUiEventBus
+import com.valb3r.bpmn.intellij.plugin.core.settings.currentSettingsState
 import com.valb3r.bpmn.intellij.plugin.core.ui.components.MultiEditJTable
+import com.valb3r.bpmn.intellij.plugin.core.ui.components.notifications.genericShowNotificationBalloon
 import java.awt.event.*
 import java.awt.geom.Point2D
 import java.awt.geom.Rectangle2D
@@ -102,6 +106,7 @@ open class BpmnPluginToolWindow(
  fun getContent() = this.mainToolWindowForm
 
  fun openFileAndRender(bpmnFile: PsiFile, context: BpmnActionContext) {
+ checkIfJavaAndSpelIsPresentAndNotifyOnceIfNot()
  onBeforeFileOpen(bpmnFile)
  val bpmnParser = currentParser(project)
  if (this.canvasBuilder.assertFileContentAndShowErrorOrWarning(bpmnParser, bpmnFile.virtualFile, onBadContentErrorCallback, onBadContentWarningCallback)) return
@@ -143,6 +148,35 @@ open class BpmnPluginToolWindow(
  showTryPolyBpmnAdvertisementNotification(project)
  }
 
+ private fun checkIfJavaAndSpelIsPresentAndNotifyOnceIfNot() {
+ if (true == currentSettingsState().pluginState.noJavaOrSpelSupportShown) {
+ return
+ }
+
+ try {
+ JavaCodeFragmentFactory.getInstance(project)
+ } catch (ex: NoClassDefFoundError) {
+ genericShowNotificationBalloon(
+ project,
+ "BPMN plugin issues",
+ "BPMN: No Java language support found, language injection and code navigation support is OFF",
+ NotificationType.WARNING
+ )
+ currentSettingsState().pluginState.noJavaOrSpelSupportShown = true
+ return
+ }
+
+ if (null == Language.getRegisteredLanguages().firstOrNull { it.id == "SpEL" }) {
+ genericShowNotificationBalloon(
+ project,
+ "BPMN plugin issues",
+ "BPMN: No SpEL language support found, language injection and code navigation support is LIMITED",
+ NotificationType.WARNING
+ )
+ currentSettingsState().pluginState.noJavaOrSpelSupportShown = true
+ }
+ }
+
  private fun createMultiLineTextField(value: String): TextValueAccessor {
  val textField = JExpandableArea(value)
 
@@ -185,7 +219,13 @@ open class BpmnPluginToolWindow(
  }
 
  private fun createEditor(project: Project, bpmnFile: PsiFile, text: String): TextValueAccessor {
- val factory = JavaCodeFragmentFactory.getInstance(project)
+ val factory = try {
+ JavaCodeFragmentFactory.getInstance(project)
+ } catch (ex: NoClassDefFoundError) {
+ // Non-Java IJ IDE
+ return nonJavaEditorTextField(text)
+ }
+
  val fragment: JavaCodeFragment = factory.createExpressionCodeFragment(text, bpmnFile, psiTypeChar(), true)
  fragment.visibilityChecker = JavaCodeFragment.VisibilityChecker.EVERYTHING_VISIBLE
  val document = PsiDocumentManager.getInstance(project).getDocument(fragment)!!
@@ -228,7 +268,13 @@ open class BpmnPluginToolWindow(
 
  // JavaCodeFragmentFactory - important
  private fun createEditorForClass(project: Project, bpmnFile: PsiFile, text: String?): TextValueAccessor {
- val document = JavaReferenceEditorUtil.createDocument(text, project, true)!!
+ val document = try {
+ JavaReferenceEditorUtil.createDocument(text, project, true)!!
+ } catch (ex: NoClassDefFoundError) {
+ // Non-Java IJ IDE
+ return nonJavaEditorTextField(text)
+ }
+
  val textField: EditorTextField = JavaClassEditorTextField(document, project)
  textField.setOneLineMode(true)
 
@@ -240,6 +286,10 @@ open class BpmnPluginToolWindow(
  }
  }
 
+ private fun nonJavaEditorTextField(text: String?): TextValueAccessor {
+ return createTextField(text?.trim('"') ?: "")
+ }
+
  private fun setupUiBeforeRun() {
  this.canvasPanel.remove(this.canvasNoDiagramText)
  this.canvasPanel.isEnabled = false

bpmn-intellij-plugin-core/src/main/kotlin/com/valb3r/bpmn/intellij/plugin/core/settings/BpmnPluginSettingsState.kt

@@ -52,6 +52,9 @@ abstract class BaseBpmnPluginSettingsState: PersistentStateComponent<BaseBpmnPlu
  var enableFps = false
  var disableXsdSchema = false
 
+ // Internal state
+ var noJavaOrSpelSupportShown: Boolean? = false
+
  fun stateEquals(other: PluginStateData): Boolean {
  if (zoomMin != other.zoomMin) return false
  if (zoomMax != other.zoomMax) return false
@@ -66,6 +69,7 @@ abstract class BaseBpmnPluginSettingsState: PersistentStateComponent<BaseBpmnPlu
  if (openExtensions != other.openExtensions) return false
  if (enableFps != other.enableFps) return false
  if (disableXsdSchema != other.disableXsdSchema) return false
+ if (noJavaOrSpelSupportShown != other.noJavaOrSpelSupportShown) return false
 
  return true
  }
@@ -85,6 +89,7 @@ abstract class BaseBpmnPluginSettingsState: PersistentStateComponent<BaseBpmnPlu
  data.openExtensions = openExtensions
  data.enableFps = enableFps
  data.disableXsdSchema = disableXsdSchema
+ data.noJavaOrSpelSupportShown = noJavaOrSpelSupportShown
  return data
  }
  }