Agreement redirect

ijPlugin/src/main/kotlin/org/jetbrains/research/tasktracker/config/agreement/Agreement.kt

@@ -7,4 +7,4 @@ import kotlinx.serialization.Serializable
  */
 
 @Serializable
-data class Agreement(val text: String, val required: Boolean = true)
+data class Agreement(val text: String, val required: Boolean = true, val openLinkInDefaultBrowser: Boolean = true)

ijPlugin/src/main/kotlin/org/jetbrains/research/tasktracker/ui/main/panel/MainPluginPanelFactory.kt

@@ -24,6 +24,8 @@ import org.jetbrains.research.tasktracker.tracking.fileEditor.FileEditorTracker
 import org.jetbrains.research.tasktracker.tracking.toolWindow.ToolWindowTracker
 import org.jetbrains.research.tasktracker.tracking.webcam.WebCamTracker
 import org.jetbrains.research.tasktracker.tracking.webcam.collectAllDevices
+import org.jetbrains.research.tasktracker.ui.main.panel.models.ButtonState
+import org.jetbrains.research.tasktracker.ui.main.panel.models.LinkType
 import org.jetbrains.research.tasktracker.ui.main.panel.panelStates.agreementAcceptance
 import org.jetbrains.research.tasktracker.ui.main.panel.storage.GlobalPluginStorage
 import org.jetbrains.research.tasktracker.ui.main.panel.template.HtmlTemplate
@@ -32,7 +34,6 @@ import org.jetbrains.research.tasktracker.util.UIBundle
 import java.awt.BorderLayout
 import java.awt.FlowLayout
 import java.awt.event.ActionListener
-import javax.swing.JButton
 
 /**
  * The class is intended to manage JCEF and Swing components simultaneously,
@@ -66,6 +67,7 @@ class MainPluginPanelFactory : ToolWindowFactory {
             add(buttonPanel, BorderLayout.SOUTH)
         }
         toolWindow.component.add(panel)
+        listenRedirection()
     }
 
     override fun isApplicable(project: Project) = super.isApplicable(project) && JBCefApp.isSupported()
@@ -144,25 +146,30 @@ class MainPluginPanelFactory : ToolWindowFactory {
         }
     }
 
+    /**
+     * Opening file in editor by html link.
+     */
     fun listenFileRedirection(task: Task) {
-        mainWindow.executeJavascript(
-            """
-            const files = document.getElementsByClassName('file');  
-            for (const file of files) {
-            file.addEventListener('click', function(event) {
-                event.preventDefault();
-            })
-                file.onclick = load_file
-            }
-                function load_file (){
-                 file_id = this.getAttribute('data-value');
-
-            """,
-            "}",
-            "file_id"
-        ) {
+        mainWindow.jslinkProcess(LinkType.FILE) {
             focusOnfFileById(task, it)
-            null
+        }
+    }
+
+    /**
+     * Redirecting to external websites in JCEF.
+     */
+    private fun listenRedirection() {
+        mainWindow.jslinkProcess(LinkType.JCEF) {
+            val previousBackState = backButton.getState()
+            val previousNextState = nextButton.getState()
+            nextButton.changeState(ButtonState(previousNextState.text, false))
+            backButton.changeState(
+                ButtonState(UIBundle.message("ui.button.back"), true) {
+                    backButton.changeState(previousBackState)
+                    nextButton.changeState(previousNextState)
+                    mainWindow.loadCurrentTemplate()
+                }
+            )
         }
     }
 
@@ -172,14 +179,7 @@ class MainPluginPanelFactory : ToolWindowFactory {
     fun checkInputs(): Promise<Boolean> =
         mainWindow.executeJavaScriptAsync("allChecked()").then { it.toBoolean() }
 
-    fun setNextAction(listener: ActionListener) = nextButton.addListener(listener)
+    fun setNextAction(listener: ActionListener) = nextButton.setListener(listener)
 
-    fun setBackAction(listener: ActionListener) = backButton.addListener(listener)
-
-    private fun JButton.addListener(listener: ActionListener) {
-        actionListeners.forEach {
-            removeActionListener(it)
-        }
-        addActionListener(listener)
-    }
+    fun setBackAction(listener: ActionListener) = backButton.setListener(listener)
 }

ijPlugin/src/main/kotlin/org/jetbrains/research/tasktracker/ui/main/panel/MainPluginWindow.kt

@@ -1,5 +1,6 @@
 package org.jetbrains.research.tasktracker.ui.main.panel
 
+import com.intellij.ide.browsers.BrowserLauncher
 import com.intellij.ide.ui.LafManagerListener
 import com.intellij.openapi.application.ApplicationManager
 import com.intellij.openapi.util.Disposer
@@ -9,6 +10,7 @@ import org.cef.browser.CefFrame
 import org.cef.handler.CefLoadHandlerAdapter
 import org.intellij.lang.annotations.Language
 import org.jetbrains.concurrency.Promise
+import org.jetbrains.research.tasktracker.ui.main.panel.models.LinkType
 import org.jetbrains.research.tasktracker.ui.main.panel.models.Theme
 import org.jetbrains.research.tasktracker.ui.main.panel.template.DefaultErrorPage
 import org.jetbrains.research.tasktracker.ui.main.panel.template.HtmlTemplate
@@ -40,6 +42,7 @@ class MainPluginWindow(service: MainWindowService) {
                 }
             }
         )
+        listenRedirectToDefaultBrowser()
         Disposer.register(service, windowBrowser)
     }
 
@@ -86,6 +89,19 @@ class MainPluginWindow(service: MainWindowService) {
     fun loadHtmlTemplate(template: HtmlTemplate) =
         windowBrowser.loadHTML(template.htmlContent).also { currentTemplate = template }
 
+    fun loadCurrentTemplate() {
+        loadHtmlTemplate(currentTemplate)
+    }
+
+    /**
+     * Redirecting to external websites in default browser.
+     */
+    private fun listenRedirectToDefaultBrowser() {
+        jslinkProcess(LinkType.DEFAULT_BROWSER) {
+            BrowserLauncher.instance.open(it)
+        }
+    }
+
     companion object {
         const val JS_QUERY_POOL_SIZE = 100
     }

ijPlugin/src/main/kotlin/org/jetbrains/research/tasktracker/ui/main/panel/Util.kt

@@ -1,6 +1,9 @@
 package org.jetbrains.research.tasktracker.ui.main.panel
 
+import org.jetbrains.research.tasktracker.ui.main.panel.models.ButtonState
+import org.jetbrains.research.tasktracker.ui.main.panel.models.LinkType
 import org.jetbrains.research.tasktracker.util.UIBundle
+import java.awt.event.ActionListener
 import javax.swing.JButton
 
 fun createJButton(
@@ -11,3 +14,54 @@ fun createJButton(
     isBorderPainted = isBorderPaintedProp
     isVisible = isVisibleProp
 }
+
+fun MainPluginWindow.jslinkProcess(type: LinkType, action: (param: String) -> Unit) {
+    with(type) {
+        val preventCode = if (prevent) {
+            """
+            link.addEventListener('click', function(event) {
+                event.preventDefault();
+            });
+            """.trimIndent()
+        } else {
+            System.lineSeparator()
+        }
+        executeJavascript(
+            """
+            const elements$name = document.querySelectorAll('$queryFilter');
+            for (const link of elements$name) {
+            $preventCode
+                link.onclick = get_link$name
+            }
+
+            function get_link$name() {
+                 link = this.getAttribute('$getAttribute');
+            """,
+            "}",
+            "link"
+        ) {
+            action(it)
+            null
+        }
+    }
+}
+
+/**
+ * Creates new JButton state and return previous JButton state.
+ */
+fun JButton.changeState(buttonState: ButtonState) {
+    buttonState.actionListener?.let {
+        setListener(buttonState.actionListener)
+    }
+    this.text = buttonState.text
+    isVisible = buttonState.isVisibleProp
+}
+
+fun JButton.getState(): ButtonState = ButtonState(text, isVisible, actionListeners.firstOrNull())
+
+fun JButton.setListener(listener: ActionListener) {
+    actionListeners.forEach {
+        removeActionListener(it)
+    }
+    addActionListener(listener)
+}

ijPlugin/src/main/kotlin/org/jetbrains/research/tasktracker/ui/main/panel/models/ButtonState.kt

@@ -0,0 +1,9 @@
+package org.jetbrains.research.tasktracker.ui.main.panel.models
+
+import java.awt.event.ActionListener
+
+data class ButtonState(
+    val text: String,
+    val isVisibleProp: Boolean,
+    val actionListener: ActionListener? = null
+)

ijPlugin/src/main/kotlin/org/jetbrains/research/tasktracker/ui/main/panel/models/LinkType.kt

@@ -0,0 +1,10 @@
+package org.jetbrains.research.tasktracker.ui.main.panel.models
+
+/**
+ * Types of redirecting links.
+ */
+enum class LinkType(val queryFilter: String, val prevent: Boolean, val getAttribute: String) {
+    DEFAULT_BROWSER(".defaultBrowser", true, "href"),
+    JCEF("a:not(.defaultBrowser):not(.file)", false, "href"),
+    FILE(".file", true, "data-value")
+}

ijPlugin/src/main/kotlin/org/jetbrains/research/tasktracker/ui/main/panel/template/AgreementTemplate.kt

@@ -17,13 +17,24 @@ class AgreementTemplate(private val agreements: List<Agreement>) : HtmlBaseFileT
         buildString {
             append("""<div><input id="$index" type="checkbox" name="$index" """)
             append("""${if (element.required) "required" else ""}>""")
-            append("""<label for="$index">${element.text.withBr()}</label></div>""")
+            append("""<label for="$index">${element.toHtml()}</label></div>""")
         }
     }.joinToString("<br>")
 
-    private fun String.withBr() = replace(System.lineSeparator(), "<br>")
+    private fun Agreement.toHtml(): String {
+        var html = text.replace(System.lineSeparator(), "<br>")
+        if (openLinkInDefaultBrowser) {
+            html = html.replace(HREF_PATTERN) { matchResult ->
+                val href = matchResult.groupValues[1]
+                """<a class="defaultBrowser" href="$href">"""
+            }
+        }
+        return html
+    }
 
     companion object {
+        val HREF_PATTERN = """<a href="([^"]*)">""".toRegex()
+
         fun loadCurrentTemplate(): AgreementTemplate {
             val config = TaskTrackerPlugin.mainConfig.agreementConfig
                 ?: error("agreementConfig has not initialized yet!")

ijPlugin/src/main/resources/org/jetbrains/research/tasktracker/config/agreement_default.yaml

@@ -4,4 +4,6 @@ agreements:
       example
     required: false
   - text: "Example <a href=\"https://github.com/JetBrains-Research/tasktracker-3\">link</a>"
+  - text: "Example link in JCEF <a href=\"https://github.com/JetBrains-Research/tasktracker-3\">link</a>"
+    openLinkInDefaultBrowser: false
   - text: "Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s,"