File size: 7,722 Bytes
0070fce
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
(function () {

    const delay = 2500;
    const ImageChangeType = Object.freeze({
        NO_CHANGE: 0,
        REMOVE: 1,
        ADD: 2,
        SRC_CHANGE: 3,
    });

    /** @param {MutationRecord[]} mutationsList @returns {ImageChangeType} */
    function imageChangeObserved(mutationsList) {
        for (const mutation of mutationsList) {
            if (mutation.type === 'childList') {
                if (mutation.addedNodes.length > 0) {
                    for (const node of mutation.addedNodes) {
                        if (node.tagName === 'IMG')
                            return ImageChangeType.ADD;
                    }
                }
                if (mutation.removedNodes.length > 0) {
                    for (const node of mutation.removedNodes) {
                        if (node.tagName === 'IMG')
                            return ImageChangeType.REMOVE;
                    }
                }
            }
            else if (mutation.type === 'attributes') {
                if (mutation.target.tagName === 'IMG' && mutation.attributeName === 'src')
                    return ImageChangeType.SRC_CHANGE;
            }
        }
        return ImageChangeType.NO_CHANGE;
    }

    /** @param {HTMLElement} element @returns {number} */
    function childIndex(element) {
        return Array.from(element.parentNode.childNodes)
            .filter(child => child.nodeType === Node.ELEMENT_NODE)
            .indexOf(element);
    }

    class ControlNetUnit {

        constructor(unit) {
            /** @type {HTMLElement} */
            this.unit = unit;
            /** @type {number} */
            this.tabIndex = childIndex(unit);
            /** @type {boolean} */
            this.isT2I = !unit.querySelector('.cnet-mask-upload').id.includes('img2img');

            this.enabledCheckbox = unit.querySelector('.cnet-unit-enabled input');
            this.controlTypeRadios = unit.querySelectorAll('.controlnet_control_type_filter_group input[type="radio"]');
            this.inputImageContainer = unit.querySelector('.cnet-input-image-group .cnet-image');
            this.runPreprocessorButton = unit.querySelector('.cnet-run-preprocessor');

            this.#attachA1111SendInfoObserver();
            this.#attachControlTypeRadioListener();
            this.#attachEnabledButtonListener();
            this.#attachImageStateChangeObserver();
            this.#attachPresetDropdownObserver();

            /** @type {string} */
            this.suffix = "";
            /** @type {boolean} */
            this.enabled = false;
        }

        #attachA1111SendInfoObserver() {
            const pasteButton = document.getElementById(
                this.isT2I ? 'txt2img_tools' : 'img2img_tools'
            ).querySelector('#paste');

            const infoButtons = document.querySelectorAll(
                this.isT2I ? '#txt2img_tab' :
                    '#img2img_tab, #inpaint_tab'
            );

            for (const button of [pasteButton, ...infoButtons]) {
                button.addEventListener('click', () => {
                    setTimeout(() => { this.#updateActiveState(); }, delay);
                });
            }
        }

        #attachControlTypeRadioListener() {
            for (const radio of this.controlTypeRadios) {
                radio.addEventListener('change', () => {
                    this.#updateActiveControlType();
                });
            }
        }

        #attachEnabledButtonListener() {
            this.enabledCheckbox.addEventListener('change', () => {
                this.#updateActiveState();
            });
        }

        #attachImageStateChangeObserver() {
            const mo = new MutationObserver((mutationsList) => {
                const changeObserved = imageChangeObserved(mutationsList);

                if (changeObserved === ImageChangeType.ADD) {
                    this.runPreprocessorButton.removeAttribute("disabled");
                    this.runPreprocessorButton.title = 'Run Preprocessor';
                }
                else if (changeObserved === ImageChangeType.REMOVE) {
                    this.runPreprocessorButton.setAttribute("disabled", true);
                    this.runPreprocessorButton.title = "No Input Image";
                }
            });

            mo.observe(this.inputImageContainer, {
                childList: true,
                subtree: true,
            });
        }

        #attachPresetDropdownObserver() {
            const mo = new MutationObserver((mutationsList) => {
                for (const mutation of mutationsList) {
                    if (mutation.removedNodes.length > 0) {
                        setTimeout(() => {
                            this.#updateActiveState();
                            this.#updateActiveControlType();
                        }, delay);
                        break;
                    }
                }
            });

            const presetDropdown = this.unit.querySelector('.cnet-preset-dropdown');
            mo.observe(presetDropdown, {
                childList: true,
                subtree: true,
            });
        }

        #updateActiveState() {
            const tabHeader = this.#getTabHeader();
            this.enabled = this.enabledCheckbox.checked;
            if (this.enabled)
                tabHeader.classList.add('cnet-unit-active');
            else
                tabHeader.classList.remove('cnet-unit-active');
        }

        #updateActiveControlType() {
            const tabHeader = this.#getTabHeader();

            let controlTypeSuffix = tabHeader.querySelector('.control-type-suffix');
            if (controlTypeSuffix == null) {
                const span = document.createElement('span');
                span.classList.add('control-type-suffix');
                tabHeader.appendChild(span);
                controlTypeSuffix = span;
            }

            const controlType = this.#getActiveControlType();
            if (controlType === 'All')
                this.suffix = '';
            else
                this.suffix = `[${controlType}]`;

            controlTypeSuffix.textContent = this.suffix;
        }

        #getTabHeader() {
            return this.unit.parentElement.querySelectorAll('.tab-nav>button')[this.tabIndex - 1];
        }

        #getActiveControlType() {
            for (let radio of this.controlTypeRadios) {
                if (radio.checked) {
                    return radio.value;
                }
            }
            return undefined;
        }

        getStatus() {
            return [this.enabled, this.suffix];
        }
    }

    onUiLoaded(() => {
        document.querySelectorAll('#controlnet').forEach((ext) => {
            const units = [];
            const tabs = [...ext.querySelectorAll('.controlnet_tabs>.tabitem')];
            tabs.map((unit) => { units.push(new ControlNetUnit(unit)); });

            const nav = ext.querySelector(".tab-nav");

            function updateStatus() {
                for (const [i, btn] of Array.from(nav.querySelectorAll("button")).entries()) {
                    const [isOn, suffix] = units[i].getStatus();
                    if (isOn)
                        btn.classList.add('cnet-unit-active');
                    if (suffix) {
                        const span = document.createElement('span');
                        span.classList.add('control-type-suffix');
                        span.textContent = suffix;
                        btn.appendChild(span);
                    }
                }
            }

            nav.addEventListener("click", () => updateStatus());
        });
    });

})();