mailgoserver/internal/webui/templates/webmail_compose_widget.html

{{define "compose_widget"}}
<div id="composePopup" class="card shadow" style="display: none; position: fixed; z-index: 1080; min-width: 320px; min-height: 200px; resize: none; overflow: hidden; background-color: #2d2d2d; border: 1px solid #404040;">
    <div id="composePopupHandle" class="card-header d-flex justify-content-between align-items-center py-1" style="cursor: move; user-select: none;">
        <span class="small"><i class="bi bi-pencil-square me-1"></i>Compose</span>
        <div>
            <button type="button" id="composePopupClose" class="btn btn-sm btn-outline-light border-0 py-0 px-2" title="Close"><i class="bi bi-x-lg"></i></button>
        </div>
    </div>
    <iframe id="composePopupFrame" style="border: 0; width: 100%; flex: 1 1 auto;"></iframe>
    <div id="composePopupResize" style="position: absolute; right: 0; bottom: 0; width: 16px; height: 16px; cursor: nwse-resize;"></div>
</div>
<script>
    // A floating window over the existing /webmail/mail/compose page (loaded as-is
    // in an iframe) — Outlook-style compose without rewriting compose itself as a
    // modal. Position/size persist in localStorage so it reopens where it was left.
    (function() {
        const POS_KEY = 'webmail_compose_popup_pos';
        const popup = document.getElementById('composePopup');
        const handle = document.getElementById('composePopupHandle');
        const frame = document.getElementById('composePopupFrame');
        const resizeHandle = document.getElementById('composePopupResize');
        const closeBtn = document.getElementById('composePopupClose');

        function defaultRect() {
            const w = Math.min(720, window.innerWidth - 40);
            const h = Math.min(600, window.innerHeight - 40);
            return { top: Math.max(20, (window.innerHeight - h) / 2), left: Math.max(20, (window.innerWidth - w) / 2), width: w, height: h };
        }

        function clampRect(r) {
            const width = Math.max(320, Math.min(r.width, window.innerWidth - 20));
            const height = Math.max(200, Math.min(r.height, window.innerHeight - 20));
            const left = Math.max(0, Math.min(r.left, window.innerWidth - width));
            const top = Math.max(0, Math.min(r.top, window.innerHeight - height));
            return { top, left, width, height };
        }

        function loadRect() {
            try {
                const saved = JSON.parse(localStorage.getItem(POS_KEY));
                if (saved && typeof saved.top === 'number') return clampRect(saved);
            } catch (e) { /* fall through to default */ }
            return defaultRect();
        }

        function saveRect(r) {
            localStorage.setItem(POS_KEY, JSON.stringify(r));
        }

        function applyRect(r) {
            popup.style.top = r.top + 'px';
            popup.style.left = r.left + 'px';
            popup.style.width = r.width + 'px';
            popup.style.height = r.height + 'px';
        }

        function currentRect() {
            return {
                top: parseFloat(popup.style.top) || 0,
                left: parseFloat(popup.style.left) || 0,
                width: parseFloat(popup.style.width) || 0,
                height: parseFloat(popup.style.height) || 0,
            };
        }

        window.openCompose = function(url) {
            applyRect(loadRect());
            popup.style.display = 'flex';
            popup.style.flexDirection = 'column';
            frame.src = url;
        };

        function closePopup() {
            popup.style.display = 'none';
            frame.src = 'about:blank';
        }
        closeBtn.addEventListener('click', closePopup);

        // The compose form navigates the iframe on success (send/save-draft both
        // redirect away from /mail/compose) — treat that as "done": close the popup
        // and refresh the page underneath so the new Sent/Drafts entry shows up.
        frame.addEventListener('load', function() {
            let path;
            try { path = frame.contentWindow.location.pathname; } catch (e) { return; }
            if (frame.src === 'about:blank' || path.indexOf('/webmail/mail/compose') !== -1) return;
            closePopup();
            window.location.reload();
        });

        let dragOffset = null;
        handle.addEventListener('mousedown', function(e) {
            if (e.target.closest('button')) return;
            const r = popup.getBoundingClientRect();
            dragOffset = { x: e.clientX - r.left, y: e.clientY - r.top };
            e.preventDefault();
        });

        let resizing = false;
        resizeHandle.addEventListener('mousedown', function(e) {
            resizing = true;
            e.preventDefault();
        });

        document.addEventListener('mousemove', function(e) {
            if (dragOffset) {
                const r = clampRect({ top: e.clientY - dragOffset.y, left: e.clientX - dragOffset.x, width: currentRect().width, height: currentRect().height });
                applyRect(r);
            } else if (resizing) {
                const r = popup.getBoundingClientRect();
                const rect = clampRect({ top: r.top, left: r.left, width: e.clientX - r.left, height: e.clientY - r.top });
                applyRect(rect);
            }
        });

        document.addEventListener('mouseup', function() {
            if (dragOffset || resizing) saveRect(currentRect());
            dragOffset = null;
            resizing = false;
        });
    })();
</script>
{{end}}