From d8431223d34476a17835a05d9508e92447f22479 Mon Sep 17 00:00:00 2001
From: Adrian Kummerlaender
Date: Sat, 15 Aug 2015 16:06:00 +0200
Subject: Restructure QML and JS sources

`list` holds the components of the central list UI element.
`command` holds the UI and implementation parts of the command mode.
`widget` holds more or less general purpose elements that may also be of use in other circumstances.
---
 src/command/CommandInput.qml | 146 +++++++++++++++++++++++++++++++++++++++++++
 src/command/commands.js      |  55 ++++++++++++++++
 2 files changed, 201 insertions(+)
 create mode 100644 src/command/CommandInput.qml
 create mode 100644 src/command/commands.js

(limited to 'src/command')

diff --git a/src/command/CommandInput.qml b/src/command/CommandInput.qml
new file mode 100644
index 0000000..99f5d0e
--- /dev/null
+++ b/src/command/CommandInput.qml
@@ -0,0 +1,146 @@
+import QtQuick 2.0
+import QtQuick.Layouts 1.1
+import Qt.labs.settings 1.0
+
+import "commands.js" as Commands
+
+Item {
+	id: item
+
+	signal executed
+
+	visible: false
+
+	Layout.preferredHeight: container.height
+
+	Settings {
+		id: settings
+		category: "command"
+
+		property string background : "black"
+		property int    fontSize   : 12
+		property string fontFamily : "Monospace"
+		property string fontColor  : "white"
+		property string errorColor : "red"
+	}
+
+	onVisibleChanged: container.reset()
+
+	function focus(prefix) {
+		visible      = true;
+		command.text = prefix;
+		command.forceActiveFocus();
+	}
+
+	function unfocus() {
+		visible = false;
+	}
+
+	Rectangle {
+		anchors {
+			top:   parent.top
+			left:  parent.left
+			right: parent.right
+		}
+
+		height: container.height
+
+		color: settings.background
+
+		ColumnLayout {
+			id: container
+
+			function reset() {
+				command.initialize();
+				output.initialize();
+			}
+
+			TextInput {
+				id: command
+
+				Layout.fillWidth: true
+
+				font {
+					family:    settings.fontFamily
+					pointSize: settings.fontSize
+				}
+
+				color:             settings.fontColor
+				selectionColor:    settings.fontColor
+				selectedTextColor: settings.background
+				selectByMouse:     true
+
+				function initialize() {
+					text = '';
+				}
+
+				onAccepted: {
+					output.initialize();
+
+					const prefix = String(text).charAt(0);
+					const cmd    = String(text).substring(1, String(text).length);
+
+					switch ( prefix ) {
+						case ':': {
+							Commands.execute(output, cmd);
+							break;
+						}
+						default: {
+							output.error('"' + prefix + '"' + ' is not a command prefix.');
+						}
+					}
+
+					if ( output.isInitial() ) {
+						item.executed();
+					}
+				}
+			}
+
+			Text {
+				id: output
+
+				Layout.fillWidth:       true
+				Layout.preferredHeight: 0
+
+				font {
+					family:    settings.fontFamily
+					pointSize: settings.fontSize
+				}
+
+				color: settings.fontColor
+
+				function isInitial() {
+					return text === '';
+				}
+
+				function initialize() {
+					text = '';
+				}
+
+				function log(msg) {
+					if ( isInitial() ) {
+						text = msg;
+					} else {
+						text += '<br/>' + msg;
+					}
+				}
+
+				function error(msg) {
+					text = '<i><font color="'
+					     + settings.errorColor
+					     + '">'
+					     + msg
+					     + '</font></i>';
+				}
+
+				onTextChanged: {
+					if ( isInitial() ) {
+						Layout.preferredHeight = 0;
+					} else {
+						Layout.preferredHeight = contentHeight;
+					}
+				}
+			}
+		}
+	}
+}
diff --git a/src/command/commands.js b/src/command/commands.js
new file mode 100644
index 0000000..f76af01
--- /dev/null
+++ b/src/command/commands.js
@@ -0,0 +1,55 @@
+function execute(output, command) {
+	var notImplemented = function(name) {
+		output.error('"' + name + '"' + ' is not implemented.');
+	};
+	var args = command.split(' ');
+
+	try {
+		var closure = eval(args[0]);
+
+		if ( typeof closure === 'function' ) {
+			args.shift();
+			closure(output, args);
+		} else {
+			notImplemented(args[0]);
+		}
+	} catch (exception) {
+		notImplemented(args[0]);
+	}
+}
+
+function exec(output, args) {
+	try {
+		var result = eval(args.join(' '));
+
+		if ( typeof result !== 'undefined' ) {
+			output.log(result);
+		}
+	} catch (exception) {
+		output.error(exception);
+	}
+}
+
+function jump(output, index) {
+	terminalList.selectItem(index);
+}
+
+function kill(output, index) {
+	terminalList.get(index).reset();
+}
+
+function next() {
+	terminalList.selectNext();
+}
+
+function prev() {
+	terminalList.selectPrev();
+}
+
+function ls(output) {
+	terminalList.iterate(function(item) {
+		if ( item.terminal !== null ) {
+			output.log(item.index + ': ' + item.terminal.program);
+		}
+	});
+}
-- 
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