MediaWiki:Gadget-SelectionCounter.js：修订间差异

以互动方式浏览历史

←上一编辑

删除的内容添加的内容

行内

@@ 第20行： / 第20行： @@
                 .appendTo('body');
         }
+        function ensureVisibleStyles() {
+            var el = $counter[0];
+            if (!el) {
+                return;
+            }
+            var computed = window.getComputedStyle(el);
+            if (computed.position !== 'static') {
+                return;
+            }
+            $counter.css({
+                position: 'fixed',
+                bottom: '24px',
+                right: '24px',
+                padding: '6px 10px',
+                fontSize: '12px',
+                borderRadius: '4px',
+                background: 'var(--color-surface-0, rgba(255, 255, 255, 0.85))',
+                border: '1px solid var(--border-color-base, #aaa)',
+                color: 'var(--color-base, #333)',
+                boxShadow: '0 1px 3px rgba(0, 0, 0, 0.2)',
+                backdropFilter: 'blur(4px)',
+                zIndex: 2147483647,
+                pointerEvents: 'none'
+            });
+        }
+        ensureVisibleStyles();
         var rafId = null;
         var pollTimer = null;
-        var lastText = null;
+        var lastText = '';
+        var lastTime = 0;
+        var isSelecting = false;
         function getSelectionText() {
             var selection = window.getSelection();
-            if (!selection || selection.isCollapsed) {
+            if (!selection || selection.rangeCount === 0 || selection.isCollapsed) {
                 return '';
             }
-            return String(selection).trim();
+            return selection.toString();
         }
-        function updateCounter() {
+        function compactText(text) {
-            rafId = null;
+            return text.replace(/\s+/g, '');
+        }
-            var active = document.activeElement;
-            if (active && (active.tagName === 'INPUT' || active.tagName === 'TEXTAREA' || active.isContentEditable)) {
-                if (lastText !== null) {
+        function showCount(text) {
-                    lastText = null;
+            var compact = compactText(text);
-                    $counter.hide();
+            if (!compact) {
-                }
+                return false;
-                return;
             }
+            var count = Array.from(compact).length;
+            $counter.text('已选 ' + count + ' 字').show();
+            return true;
+        }
+        function updateCounter() {
+            rafId = null;
             var text = getSelectionText();
-            if (!text) {
+            if (text) {
-                if (lastText !== null) {
+                lastText = text;
-                    lastText = null;
+                lastTime = Date.now();
-                    $counter.hide();
+                showCount(text);
-                }
                 return;
             }
-            if (text === lastText) {
+            if (lastText && Date.now() - lastTime < 1200) {
+                showCount(lastText);
                 return;
             }
-            lastText = text;
+            $counter.hide();
-            var count = Array.from(text).length;
-            $counter.text('已选 ' + count + ' 字').show();
         }
@@ 第67行： / 第100行： @@
             }
             rafId = window.requestAnimationFrame(updateCounter);
+        }
+        function scheduleUpdateDelayed() {
+            window.setTimeout(scheduleUpdate, 0);
         }
@@ 第84行： / 第121行： @@
         }
+        function onSelectMove() {
-        document.addEventListener('selectionchange', scheduleUpdate);
+            if (!isSelecting) {
-        document.addEventListener('mouseup', scheduleUpdate);
+                return;
+            }
+            scheduleUpdate();
+        }
+        document.addEventListener('selectionchange', function () {
+            var text = getSelectionText();
+            if (text) {
+                lastText = text;
+                lastTime = Date.now();
+            }
+            scheduleUpdate();
+        });
+        document.addEventListener('mousedown', function () {
+            isSelecting = true;
+        }, true);
+        document.addEventListener('mouseup', function () {
+            isSelecting = false;
+            scheduleUpdateDelayed();
+        }, true);
+        document.addEventListener('mousemove', onSelectMove, true);
+        document.addEventListener('touchstart', function () {
+            isSelecting = true;
+        }, { passive: true, capture: true });
+        document.addEventListener('touchmove', onSelectMove, { passive: true, capture: true });
+        document.addEventListener('touchend', function () {
+            isSelecting = false;
+            scheduleUpdateDelayed();
+        }, { passive: true, capture: true });
         document.addEventListener('keyup', scheduleUpdate);
-        document.addEventListener('touchend', scheduleUpdate, { passive: true });
         window.addEventListener('focus', startPolling);
         window.addEventListener('blur', stopPolling);