From 87406f70c46aa7d1ef61d6ef556dc56f26403e3f Mon Sep 17 00:00:00 2001
From: Evgeniy Alekseev <i@arcanis.me>
Date: Mon, 24 Oct 2016 08:12:14 +0300
Subject: [PATCH] add initial support of tag suggestion

---
 .../package/contents/ui/widget.qml            |  1 +
 .../awesome-widget/plugin/awkeyoperations.cpp |  4 +-
 .../package/contents/ui/widget.qml            |  1 +
 sources/desktop-panel/plugin/dpadds.cpp       | 10 +++-
 sources/desktop-panel/plugin/dpadds.h         |  4 +-
 sources/qml/AWTextEditor.qml                  | 56 +++++++++++++++++--
 6 files changed, 65 insertions(+), 11 deletions(-)

diff --git a/sources/awesome-widget/package/contents/ui/widget.qml b/sources/awesome-widget/package/contents/ui/widget.qml
index 9da83cc..87699df 100644
--- a/sources/awesome-widget/package/contents/ui/widget.qml
+++ b/sources/awesome-widget/package/contents/ui/widget.qml
@@ -73,6 +73,7 @@ Item {
 
         AWTextEditor {
             id: textPattern
+            backend: awKeys
         }
     }
 
diff --git a/sources/awesome-widget/plugin/awkeyoperations.cpp b/sources/awesome-widget/plugin/awkeyoperations.cpp
index f1b11c1..b025552 100644
--- a/sources/awesome-widget/plugin/awkeyoperations.cpp
+++ b/sources/awesome-widget/plugin/awkeyoperations.cpp
@@ -155,9 +155,7 @@ QStringList AWKeyOperations::dictKeys() const
     for (auto item : m_graphicalItems->activeItems())
         allKeys.append(item->tag(QString("bar")));
     // static keys
-    QStringList staticKeys = QString(STATIC_KEYS).split(QChar(','));
-    std::for_each(staticKeys.cbegin(), staticKeys.cend(),
-                  [&allKeys](const QString &key) { allKeys.append(key); });
+    allKeys.append(QString(STATIC_KEYS).split(QChar(',')));
 
     // sort in valid order
     allKeys.sort();
diff --git a/sources/desktop-panel/package/contents/ui/widget.qml b/sources/desktop-panel/package/contents/ui/widget.qml
index 7c1ed11..66ab15b 100644
--- a/sources/desktop-panel/package/contents/ui/widget.qml
+++ b/sources/desktop-panel/package/contents/ui/widget.qml
@@ -57,6 +57,7 @@ Item {
 
         AWTextEditor {
             id: textPattern
+            backend: dpAdds
         }
     }
 
diff --git a/sources/desktop-panel/plugin/dpadds.cpp b/sources/desktop-panel/plugin/dpadds.cpp
index 6882700..9161025 100644
--- a/sources/desktop-panel/plugin/dpadds.cpp
+++ b/sources/desktop-panel/plugin/dpadds.cpp
@@ -72,15 +72,21 @@ int DPAdds::currentDesktop() const
 }
 
 
-QStringList DPAdds::dictKeys(const bool, const QString) const
+QStringList DPAdds::dictKeys(const bool sorted, const QString regexp) const
 {
+    qCDebug(LOG_DP) << "Should be sorted" << sorted << "and filter applied"
+                    << regexp;
+
     QStringList allKeys;
     allKeys.append(QString("mark"));
     allKeys.append(QString("name"));
     allKeys.append(QString("number"));
     allKeys.append(QString("total"));
 
-    return allKeys;
+    if (sorted)
+        allKeys.sort();
+
+    return allKeys.filter(QRegExp(regexp));
 }
 
 
diff --git a/sources/desktop-panel/plugin/dpadds.h b/sources/desktop-panel/plugin/dpadds.h
index 9905587..f645c02 100644
--- a/sources/desktop-panel/plugin/dpadds.h
+++ b/sources/desktop-panel/plugin/dpadds.h
@@ -45,8 +45,8 @@ public:
     virtual ~DPAdds();
     Q_INVOKABLE bool isDebugEnabled() const;
     Q_INVOKABLE int currentDesktop() const;
-    Q_INVOKABLE QStringList dictKeys(const bool = true,
-                                     const QString = QString()) const;
+    Q_INVOKABLE QStringList dictKeys(const bool sorted = true,
+                                     const QString regexp = QString()) const;
     Q_INVOKABLE int numberOfDesktops() const;
     Q_INVOKABLE QString toolTipImage(const int desktop) const;
     Q_INVOKABLE QString parsePattern(const QString pattern,
diff --git a/sources/qml/AWTextEditor.qml b/sources/qml/AWTextEditor.qml
index 55384df..03a1104 100644
--- a/sources/qml/AWTextEditor.qml
+++ b/sources/qml/AWTextEditor.qml
@@ -16,12 +16,60 @@
  ***************************************************************************/
 
 import QtQuick 2.0
-import QtQuick.Controls 1.3 as QtControls
+import QtQuick.Controls 2.0 as QtControls
 
 
-QtControls.TextArea {
+Item {
     width: parent.width
     height: parent.height * 4 / 5
-    textFormat: TextEdit.PlainText
-    text: plasmoid.configuration.text
+
+    property var backend
+    property alias text: textArea.text
+
+    QtControls.TextArea {
+        id: textArea
+        anchors.fill: parent
+        textFormat: TextEdit.PlainText
+
+        QtControls.ToolTip {
+            id: tooltip
+        }
+
+        onTextChanged: {
+            var currentTag = getLastTag()
+            // exit if there are spaces or empty
+            if ((currentTag.indexOf(" ") != -1) || (currentTag.length == 0)) {
+                tooltip.visible = false
+                return
+            }
+            var tags = backend.dictKeys(true, "^" + currentTag).join('\n')
+            // exit if no suggestion found
+            if (tags.length == 0) {
+                tooltip.visible = false
+                return
+            }
+            // update tooltip and show it
+            tooltip.text = tags
+            changeTooltipPosition()
+            tooltip.visible = true
+        }
+    }
+
+    function changeTooltipPosition() {
+        tooltip.x = textArea. cursorRectangle.x
+        tooltip.y = textArea. cursorRectangle.y
+    }
+
+    function getLastTag() {
+        // get substring to analyze
+        var substring = textArea.getText(0, textArea.cursorPosition)
+        // find last position of index in the given substring
+        var signIndex = substring.lastIndexOf('$') + 1
+        if ((signIndex == 0) || (signIndex == textArea.cursorPosition))
+            return ""
+        // get current tag text
+        return substring.substr(signIndex)
+    }
 }
+
+