1/*  DokuWiki MoaiEditor Preview.js file
2    Version : 0.5a (May 6, 2026)
3    Author  : MoaiTools <info@moaitools.org>
4    License : GPL 3 (http://www.gnu.org/licenses/gpl.html) */
5
6/*  This class implements some methods for working with the preview.
7*/
8MoaiEditor.Preview = class {
9
10    constructor () {
11
12        // Constants
13        this.name = 'Preview';
14
15        // Variables
16        this.container = null;      // Preview container element
17
18        // Objects
19        this.scroll = new MoaiEditor.PreviewScroll(this);
20    }
21    // ┌───────────────────────────────────┐
22    // │ Public                            │
23    // └───────────────────────────────────┘
24
25    init() {
26        this.container = document.querySelector("#moaied__preview");
27        // Create content div
28        this.content = moaiEditor.createHTML('<div id="moaied__preview_content"></div>');
29        this.container.appendChild(this.content);
30        // Create flash box
31        this.flashbox = moaiEditor.createHTML('<div id="moaied__preview_flashbox" class="moaied-flashbox"></div>');
32    }
33    // ────────────────────────────────────
34    set pointerEvents(boolean) {
35        if (boolean)
36            this.container.style.pointerEvents = 'auto';
37        else
38            this.container.style.pointerEvents = 'none';
39    }
40    // ────────────────────────────────────
41    flash(flash, data=null) {
42        if (flash == 'remove') {
43            this.flashbox.remove();
44            return;
45        }
46        if (flash === null)
47            return;
48        this.flashbox.remove();
49        this.flashbox = moaiEditor.createHTML('<div id="moaied__preview_flashbox" class="moaied-flashbox"></div>');
50        if (flash === false)
51            this.flashbox.classList.add('red');
52        const rect = moaiEditor.scroll.tools.getRectRelativeToParent(data.element);
53        this.flashbox.style.top = rect.top + 'px';
54        this.flashbox.style.left = rect.left + 'px';
55        this.flashbox.style.width = rect.width + 'px';
56        this.flashbox.style.height = rect.height + 'px';
57        this.container.appendChild(this.flashbox);
58    }
59    // ┌───────────────────────────────────┐
60    // │ Input events                      │
61    // └───────────────────────────────────┘
62
63    onScroll() {
64        // Debugline
65        //this.scroll.debugLine();
66    }
67}; // End Class
68// ▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆
69// ▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆
70
71/*  This class implements the 'scroll.max', 'scroll.top' and 'scroll.smooth'
72    getters and setters.
73*/
74MoaiEditor.PreviewScroll = class {
75
76    constructor (outer) {
77        this.outer = outer;
78        this.smoothvalue = false;
79    }
80    // ────────────────────────────────────
81    get max() {
82        return moaiEditor.scroll.tools.getMaxScrollY(this.outer.container);
83    }
84    // ────────────────────────────────────
85    get top() {
86        return this.outer.container.scrollTop;
87    }
88    set top(value) {
89        this.outer.container.scrollTop = value;
90    }
91    // ────────────────────────────────────
92    get smooth() {
93        return this.smoothvalue;
94    }
95    set smooth(boolean) {
96        var value = 'auto';
97        if (boolean)
98            value = 'smooth';
99        this.smoothvalue = boolean;
100        this.outer.container.style.scrollBehavior = value;
101    }
102    // ────────────────────────────────────
103    debugLine() {
104        // Exit if debugline is not enabled
105        const line = document.querySelector("#moai__debug div:nth-child(2)");
106        if (!line) return;
107        // Debug line
108        const text = "scroll:"+Math.floor(this.top)+"  maxScroll:"+this.max;
109        line.textContent = text;
110    }
111}; // End Class
112