initial commit

2018-08-05 00:46:25 +03:00 · 2018-08-05 00:46:25 +03:00 · 4b60ece582
commit 4b60ece582
327 changed files with 28286 additions and 0 deletions
--- a/lorgar/views/label.js
+++ b/lorgar/views/label.js
@ -0,0 +1,88 @@
+"use strict";
+(function view_label_js() {
+    var moduleName = "views/label";
+    
+    var defineArray = [];
+    defineArray.push("views/view");
+    defineArray.push("lib/fonts/Liberation");
+    
+    define(moduleName, defineArray, function view_label_module() {
+        var View = require("views/view");
+        
+        var Label = View.inherit({
+            "className": "Label",
+            "constructor": function(controller, options) {
+                var base = {};
+                W.extend(base, options)
+                View.fn.constructor.call(this, controller, base);
+                
+                this._timeout = undefined;
+                this._recalculationScheduled = false;
+                
+                this._e.innerText = this._f.data || "";
+                if (this._f.data !== "") {
+                    this._scheduleRecalculation();
+                }
+            },
+            "destructor": function() {
+                if (this._recalculationScheduled) {
+                    clearTimeout(this._timeout);
+                }
+                
+                View.fn.destructor.call(this);
+            },
+            "_onAddProperty": function(key, propertyName) {
+                View.fn._onAddProperty.call(this, key, propertyName);
+                
+                if (sizeChangingProperties.indexOf(propertyName) !== -1) {
+                    this._scheduleRecalculation();
+                }
+            },
+            "_onData": function() {
+                if (this._e.innerText !== this._f.data) {
+                    this._e.innerText = this._f.data || "";
+                    this._scheduleRecalculation();
+                }
+            },
+            "_recalculateSize": function() {
+                var fs = parseFloat(this._e.style.fontSize) || 16;
+                var fontFamily = this._e.style.fontFamily || "Liberation";
+                
+                var h = fs + 2;
+                var w = Label.calculateSingleString(fontFamily, fs, this._f.data || "");
+                this.setConstSize(w, h);
+                this._recalculationScheduled = false;
+            },
+            "_scheduleRecalculation": function() {
+                if (!this._recalculationScheduled) {
+                    this._timeout = setTimeout(this._recalculateSize.bind(this), 10);
+                    this._recalculationScheduled = true;
+                }
+            }
+        });
+        
+        var sizeChangingProperties = ["fontSize", "fontFamily", "whiteSpace"];
+        
+        Label.calculateSingleString = function(family, size, string) {
+            var fontStorage = Label.fonts[family] || Label.fonts["Liberation"];
+            
+            var width = 0;
+            var mul = size / fontStorage.unitsPerEm;
+            var aw = fontStorage.advanceWidthArray;
+            
+            for (var i = 0; i < string.length; ++i) {
+                var letter = string.charCodeAt(i);
+                var l = aw[letter] || 1536;
+                width += (l * mul);
+            }
+            
+            return Math.ceil(width);
+        };
+        
+        Label.fonts = {
+            Liberation: require("lib/fonts/Liberation")
+        };
+        
+        return Label;
+    });
+})();